Page 2 - Mexico and; One Omega Drive, River Bend Technology Centre; OMEGAne t
Servicing North America: USA: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: [email protected] Canada: 976 BergarLaval (Quebec) H7L 5A1Tel: (514) 856-6928 FAX: (514) 856-6886 e-mail: [email protected] For immediate technical or applicatio...
Page 3 - INTRODUCTION; NOTE
1 INTRODUCTION Thank you for purchasing the OMEGA industrial strip-chart recorder.The RD260A recorder comforms to the EMC standard as follows.EM1 EN55011: class AEMS EN50082-2 To take full advantage of numerous capabilities and to operate this instrument correctlyand efficiently, please read this In...
Page 4 - WARNING; CAUTION; SAFETY PRECAUTIONS; This manual uses the following signs for safety precautions:
2 WARNING CAUTION SAFETY PRECAUTIONS This recorder is developed to satisfy and to be used under the following conditions:• The recorder is a component type instrument to be installed on an instrumentation panel or rack. • The recorder complies with EN61010-1.• The recorder conforms to EN55011 (EMI) ...
Page 6 - HOW TO USE THIS MANUAL
4 HOW TO USE THIS MANUAL Relationship between chapters and their purposes or timing to read is broken down inthe table below: :Necessary to read :Optional to read Purchase & Installation Setting Renewing Trouble- shooting Safety Precautions 1 Before Installation 2 Installation 3 Component Names ...
Page 7 - CONTENTS
5 Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 CONTENTS INTRODUCTION ......................................................................................................... 1 SAFETY PRECAUTIONS ........................................................................
Page 8 - Adjusting the Trend Recording Format; Chapter 7
6 Chapter 5 DATA SETTING GUIDES .......................................................................... 5 - 1 5.1 Various Modes ................................................................................... 5 - 2 5.1.1 OPERATION Mode .............................................................
Page 9 - Chapter 1 BEFORE INSTALLATION; Whenever the recorder is not used, turn the power switch off.
1 - 1 1. BEFORE INSTALLATION Chapter 1 BEFORE INSTALLATION This chapter describes the necessary preparations before handling the recorder; readthem for safe handling. 1.1 Handling Precautions The recorder contains many plastic parts. To clean, use a soft, dry cloth. Do not usechemicals such as benze...
Page 10 - Checking and Unpacking; Checking Accessories and Appearance; Name
1 - 2 1.2 Checking and Unpacking This recorder has been thoroughly inspected before shipment; however, when youreceive the recorder, check that all accessories are present and in the correct quantities.Also check the external appearance of the recorder to ascertain that no damage hasoccurred. 1.2.1 ...
Page 13 - Chapter 2 INSTALLATION
2 - 1 2. INSTALLATION Chapter 2 INSTALLATION This chapter describes the installation method of the recorder: selecting the installationsite, mounting and wiring methods. Read this chapter before installation. 2.1 Installation Site and Mounting Methods 2.1.1 Installation Site The recorder should be i...
Page 17 - (1) The rated power supply voltage for the recorder is follows.; • To prevent fire, use 600 V PVC insulated wire (AWG18) for power and; • Do not apply a power supply in the range from 132 V to 180 V AC. Doing so
2 - 5 2. INSTALLATION 2.2.2 Power Supply Wiring ! (1) The rated power supply voltage for the recorder is follows. • 100 to 240 V AC (2) Turn the recorder’s power switch off.(3) Open the transparent cover of the power terminal after releasing the cover screw.(4) Connect the power supply wires and the...
Page 19 - TC input
2 - 7 2. INSTALLATION 2.2 Wiring Terminal Board B b – A + 1ch 2ch 3ch RTDDC voltage, TC b B – A + 1ch 2ch 3ch 4ch 5ch 6ch Pen model Dot-printing model Wiring for Input Terminals – + + – DC voltage input TC input DC voltage inputs Extension wires RTD input DC current input DC current input Wire resis...
Page 20 - Contact characteristics:; : Relay transfer contacts; Output capacity; and grounding terminals
2 - 8 2.2.4 Alarm Output Wiring (option) ! NOTE The following settings are available only for the model with relay options (-A2,-A4, -A6). (1) Turn the power switch off.(2) Remove the transparent cover of the optional terminals.(3) Connect the alarm output wires to the optional terminals.(4) Cover t...
Page 21 - Input characteristics:; shield should be grounded at the recorder’s terminal.
2 - 9 2. INSTALLATION 2.2.5 Remote Control Wiring (option) ! NOTE The following settings are available only for the model with remote options (R1). (1) Turn the power switch off.(2) Remove the transparent cover of the optional terminals.(3) Connect the wires for remote control to the optional termin...
Page 22 - Chapter 3 COMPONENT NAMES AND
3 - 1 3. COMPONENT NAMES AND FUNCTIONS Chapter 3 COMPONENT NAMES AND FUNCTIONS This chapter describes the names of components, and outlines their functions. 2 3 Tag platesUse the recorder with units corresponding to each channel directly written on these plates respectively.
Page 25 - Characters on the Display
3 - 4 3.2 Characters on the Display The display consists of seven segmetns, and therefore characters exist which aredifficult to display.Characters are presented on the display as shown in the following table. Display Alphabet Display Alphabet A B C D E F G H h I J K L l M N O P Q R S T U V W X Y Z
Page 26 - power switch on/off to prevent fluctuations in measuring values.
4 - 1 4. DAILY OPERATION/MAINTENANCE Chapter 4 DAILY OPERATION/ MAINTENANCE This chapter describes the daily operation and maintenance of this recorder. Read thischapter before operation. 4.1 Switching Power On/Off The power switch is located at the lower right-hand corner of the front face behind t...
Page 27 - cassette, lift and draw the cassette out of the recorder case.
4 - 2 4.2 Installing (or Replacing) Chart Paper (1) Open the front door of the recorder.(2) Check the recorder is not in recording state; but the power ON is allowed.(3) Riffle the chart thoroughly before loading.(4) While gently pressing the chart-cassette stoppers, located at both front ends of th...
Page 29 - pen holder up- or down-scale to protect the driving mechanism.; When the pens move, a line is drawn on the chart.; ‘Simple replacement’
4 - 4 4.3 Installing (or Replacing) Pens (Pen model) Felt-tip pen Simple replacement(1) Open the front door, and check to see that the recording is OFF, but the power ON is allowed. (2) Pull and open the display around the hinge.(3) Pull out the pen-cartridge by pulling the protruding part of the ca...
Page 30 - Plotter pen; Always make sure to remove the pen cap before installation.
4 - 5 4. DAILY OPERATION/MAINTENANCE 4.3 Installing (or Replacing) Pens (Pen model) CAUTION Plotter pen (1) Open the front door, and check to see that the recording is OFF, but the power ON is allowed. (2) Pull and open the display around the hinge.(3) Pull out the pen-cartridge by pulling the protr...
Page 31 - direction of the arrow a half or more turning.
4 - 6 CAUTION 4.4 Installing (or Replacing) Ribbon Cassette (Dot-printing model) (1) Open the front door, and check that the power is switched OFF.(2) Open the display by pulling its left end.(3) Hold the printer carriage, and move it to the right.(4) Hold the left-hand part of the ribbon cassette, ...
Page 32 - Getting the Recording
4 - 7 4. DAILY OPERATION/MAINTENANCE 4.5 Getting the Recording 4.5 Getting the Recording 4.5.1 Starting/Stoping the Recording Press the [RCD] key to start or stop the recording. 4.5.2 Feeding the Chart The chart paper is fed by pressing the [FEED] key as long as the key is pressed. 4.5.3 Printing Sa...
Page 33 - Getting a Digital Printout; measuring and alarm detecting activities continue.
4 - 8 4.6 Getting a Digital Printout A digital printout can be any one of the following:• List printout• SET UP list printout 4.6.1 Getting a List Printout A list printout includes the following setting values:• Date/time/chart speed/2nd-chart speed/trend record interval (Dot-printing model)• Channe...
Page 34 - however, measuring and alarm detecting activities continue.
4 - 9 4. DAILY OPERATION/MAINTENANCE 4.6 Getting a Digital Printout 4.6.2 Getting a SET UP List Printout A SET UP list printout includes the setting values of the following printing functions:• Digital printing• Alarm setting• Burnout function and others SET UP list printing is executed by the follo...
Page 35 - Selectting the Display; Five different displays can be selected. These are:; DISPLAY AUTO; DISPLAY DATE; DISPLAY TIME; Time will appear on the display.; DISPLAY OFF; Displays other than status displays will be turned off.; Selecting a screen
4 - 10 4.7 Selectting the Display Five different displays can be selected. These are: DISPLAY AUTO Channel number and measured values will appear on the display.When an alarm occurs, type of alarm will appear.Every channel will be shown for approximately 2 sec. If the input is greater than theupper ...
Page 37 - the recorder from the main power line before replacing the fuse.
4 - 12 4.8.2 Battery Replacement The [ ] illumination indication shows lithium battery deterioration, which is used for memory backup. The battery has a lifetime of approximately 10 years undernormal operation.When [ ] is illuminated, contact Omega Engineering. Replacing the lithium battery can be d...
Page 38 - or paper without fluffing.
4 - 13 4. DAILY OPERATION/MAINTENANCE Pen model To maintain proper recording functions, it is recommended to clean the plotter-carriageshaft once a year.Cleaning procedure is shown below: Wipe the two shafts, the upside and downside ones for the plotter carriage, with apiece of soft cloth or paper w...
Page 39 - Required instruments for calibration; OMEGA model # CL511 calibrator; Calibration procedure; A reference input for a thermocouple (TC) signal needs temperature
4 - 14 Calibration is a comparing operation between standard inputs and measured values.It is recommended to carry out a calibration once a year to assure the measuringaccuracy. Required instruments for calibration The instruments for calibration should have the required resolution. If necessary, as...
Page 40 - Temperature Compensation for Thermocouple Signal
4 - 15 4. DAILY OPERATION/MAINTENANCE 4.8 Maintenance Three lead wires should have the same resistance values. Power terminal Input terminals (for RTD) Decade resistance box L N 1 2 3 b B A Temperature Signal as RTD for Pen model(for Dot-printing model, the wire connection exchanges between the term...
Page 41 - Adjusting procedure; Adjust the pen positions in the order of NULL to FULL.; (6) Select the number of the channel to be adjusted using the [
4 - 16 4.8.6 Pen-Position Adjustment (Pen model) It is recommended to adjust pen positions on the chart at least once a year. Adjusting procedure (1) Turn the recorder power on and allow a warm-up time of more than 30 minutes. (2) Check that the environmental conditions are within normal operating c...
Page 43 - Selection and adjustment should be made in the order of HYS; ], and the dot carriage will move to the adjusted; select
4 - 18 4.8.7 Dot-Position Adjustment (Dot-printing model) It is recommended to adjust the position of dots at least once a year. Adjusting procedure (1) Turn the recorder power on and allow a warm-up time of more than 30 minutes. (2) Check that the environmental conditions are within normal operatin...
Page 44 - , and the dot carriage will move to the adjusted; ENT
4 - 19 4. DAILY OPERATION/MAINTENANCE NOTE If the [ENT] key is pressed while setting the numeric codes, the indication changes to [ ], and the numeric codes already set stay valid. However, pressing the [ESC] key turns them invalid. (10) The indicator displays [ ] , and the dot carriage will move to...
Page 45 - Chapter 5 DATA SETTING GUIDES; Procedures to Enter Setting Data
5 - 1 5. DATA SETTING GUIDES Chapter 5 DATA SETTING GUIDES This chapter describes the setting modes listed below.Read this chapter before you enter settings for the first time. 5.1 Various Modes 5.1.1 OPERATION Mode5.1.2 SET Mode5.1.3 SET UP Mode 5.2 Procedures to Enter Setting Data
Page 46 - The recorder has three modes which are described below:; OPERATION mode; Turning the function off:
5 - 2 5.1 Various Modes The recorder has three modes which are described below: OPERATION mode This is the mode for daily operation; when the power turns on, the recorderautomatically enters this mode. For details, see chapter 4 “DAILY OPERATION ANDMAINTENANCE”. SET mode In this mode, daily-used dat...
Page 48 - This flow can be entered by pressing the [DISP] key for three seconds.
5 - 4 5.1.2 SET Mode This flow can be entered by pressing the [DISP] key for three seconds. : Numeric value input : Code input Channel No. Alarm level Alarm on/off Alarm point Contact output Channel Relay No. (Alarm setting) First/second speed Chart feed speed (Chart feed speed setting) year/month/d...
Page 49 - to next page
5 - 5 5. DATA SETTING GUIDES 5.1 Various Modes 5.1.3 SET UP Mode The SET UP mode can be entered by turning on the power while holding down the[CH UP] ( ENT) key. (Alarm hysteresis) (A/D integration time, Pen model) (Energizing/de-energizing) (TC burnout ON/OFF) (Upscale/downscale TC burnout) (Pen of...
Page 50 - (Setting of printing of changes in the chart speed)
5 - 6 (Pen-ZERO adjustment) (Pen-FULL adjustment) (Dot-ZERO adjustment) (Dot-HYS adjustment) (Dot-FULL adjustment) Explanations for these are not in this manual.Consult your purchasing source. (Temperature unit, option) (Tag setting) (Remote control, option) (Setting of printing of changes in the ch...
Page 51 - Procedures to Enter Setting Data; previous indication will be shown on the indicator.
5 - 7 5. DATA SETTING GUIDES 5.2 Procedures to Enter Setting Data 5.2 Procedures to Enter Setting Data Data setting is done by the four keys on the key panel which are referred to by themarks on the keys. DISP ESC RCD PRINT FEED CH UP DISP ESC [ESC] key : Cancels the already set data in the middle o...
Page 52 - Chapter 6 SET MODE; This chapter describes the setting procedures in the SET mode.
6 - 1 6. SET MODE Chapter 6 SET MODE This chapter describes the setting procedures in the SET mode. 6.1 Setting Input Range and Recording Span (RANGE)6.2 Setting Offsets (OFFST)6.3 Setting Alarms (ALARM)6.4 Assigning Units (UNIT)6.5 Setting Chart Speed (CHART)6.6 Setting Date/Time (CLOCK)6.7 Adjusti...
Page 53 - Model Code
6 - 2 6.1 Setting Input Range and Recording Span (RANGE) One of the following parameters can be set for every channel:SKIP Prevents the specified channel from being measured, recorded and displayed . VOLT Measures and records DC-voltage. TC Measures and records temperatures using Thermocouple. RTD M...
Page 54 - SKIP Setting; Key operation; Press the
6 - 3 6. SET MODE SKIP Setting Unused channels can be skipped, which means that these channels will not be measured,recorded or displayed. Key operation Indication Description Press the [DISP] key for three seconds to enter the SET mode.Select the [ ] display by using the [ ] key. Then press the [EN...
Page 55 - Voltage Measurement Setting (VOLT Setting); ] is displayed and the setting is completed.
6 - 4 Voltage Measurement Setting (VOLT Setting) In the case that the measured signal is a DC-voltage, the range can be set as follows: Key operation Indication Description Press the [DISP] key for three seconds to enter the SET mode.Select the [ ] display by using the [ ] key. Then press the [ENT] ...
Page 58 - Difference Computation Setting (DELT Setting); Key Operation; (SPAN R) in the same way as described under ‘; SPAN L; ’. Note that SPAN L cannot be equal to SPAN R.
6 - 7 6. SET MODE Difference Computation Setting (DELT Setting) To obtain the difference between the measured values of two channels, proceed asfollows. Key Operation Indication Description Press the [DISP] key for three seconds to enter the SET mode.Select the [ ] display by using the [ ] key. Then...
Page 60 - Setting to Obtain Square Root (SQRT Setting)
6 - 9 6. SET MODE Setting to Obtain Square Root (SQRT Setting) To obtain the square root of the measured value, proceed as follows:Note that the measured data of which the square root can be taken, can only be of thevoltage type. To assign a unit, see section 6.4. Key operation Indication Discriptio...
Page 61 - EXPLANATION OF SQUARE ROOT:; The relationship between V; V – V
6 - 10 EXPLANATION OF SQUARE ROOT: This recorder uses the following square rooting-method:Let us define the items as follows:V min = minimum value of recording span (SPAN L) V max = maximum value of recording span (SPAN R) F min = minimum value of scale (SQRT SCL L) F max = maximum value of scale (S...
Page 63 - Difference alarm setting (
6 - 12 6.3 Setting Alarms (ALARM) Alarms can be set on the measured data of any channel.Up to four alarms (i.e. four levels) can be set on one channel.After setting an alarm, and the measured value reaches the setpoint, the ALM LED will beilluminated and an alarm printout will be made on the chart. ...
Page 64 - ] is displayed and the setting is completed. Press; the
6 - 13 6. SET MODE The display which appears will allow you to enter the alarmvalue.Set the alarm value using the [ ] and [ ] keys. After setting, press the [ENT] key.The decimal point is predetermined by the input range. Relationship between Input Range and Decimal Points Type of Input Position of ...
Page 65 - The code number can be selected using the [; Table of characters code.; ] and already set data will be
6 - 14 6.4 Assigning Units (UNIT) When you are using scaling (SCL) or the square root setting (SQRT), it is possible toassign a different unit to the scales. Units will appear in the periodic printout. Up to sixcharacters can be set.The initial value is all spaces. To set, proceed as follows: Key op...
Page 66 - Digital printing will not be carried out when the chart speeds are:; ] is dispalyed and the setting is completed.
6 - 15 6. SET MODE 6.5 Setting Chart Speed (CHART) Chart Speed (unit: mm/h) The data for a dot-printing model (10 mm/h to 1500 mm/h) are shown within the bold border. 10 90 375 3000 15 100 450 3600 20 120 600 4500 25 150 720 4800 30 160 750 5400 40 180 900 6000 50 200 1200 7200 60 240 1500 9000 75 3...
Page 68 - The initial value is ‘; AUTO
6 - 17 6. SET MODE 6.7 Adjusting the Trend Recording Format (TREND, Dot-printing model) This recorder prints in FIX or AUTO mode.In FIX mode, dot printing is performed with a constant interval regardless of the chartspeed (approx. 20 sec).AUTO mode is provided to prevent the chart from being damaged...
Page 69 - ] and already set data will
6 - 18 6.8 Assigning Tags (TAG) The following setting enables you to set tags to be recorded instead of the usual channelnumbers. Tag will appear in the periodic printout, channel printout (Dot-printing model)and in the alarm printout. One tag can be set for every channel. The maximum length isseven...
Page 70 - The code number can be selected using the [; Table of characters codes.; • If your recorder is equipped with the -R option, and you
6 - 19 6. SET MODE 6.9 Setting Messages (MSG) The following setting enables you to set the messages. Up to five messages can be set,each of up to 16 characters. Printing out messages can only be done with the use of theremote control option (-R), with which your recorder must be equipped. Messages c...
Page 72 - Chapter 7 SET UP MODE
7 - 1 7. SET UP MODE Chapter 7 SET UP MODE This chapter describes the Set Up Mode.7.1 Setting the Output Relay to Energize/De-energize Upon Alarm (option)7.2 Setting Alarm Hysteresis On/Off7.3 Setting the A/D Integration Time (Pen model)7.4 Setting Upscale/Downscale TC Burnout7.5 Configuring the Inp...
Page 73 - key until the SET UP display appears.
7 - 2 7.1 Setting the Output Relay to Energize/De-energize Upon Alarm (option) NOTE The following settings are avairable only for the model with relay options (A1/A2/A3). The alarm output relays can be selected to be energizing or de-energizing on alarm.Using de-energizing, alarm output relay is act...
Page 75 - AUTO: integration time depends on the power supply of the recorder.; The initial value is ‘AUTO’.; Select ‘AUTO’, ‘50’ or ‘60’ according to your situation using the [
7 - 4 7.3 Setting A/D Integration Time (Pen model) The purpose of the following setting is to specify which A/D integration time will beused. Depending on the power supply, the integration time will affect the ability ofnoise rejection and therefore the recording.If the power supply of the recorder ...
Page 76 - ] key for which you want to specify this burnout
7 - 5 7. SET UP MODE 7.4 Setting Upscale/Downscale TC Burnout 7.4 Setting Upscale/Downscale TC Burnout The purpose of the following setting is to specify where the pens will move in the caseof a TC-burnout. You can choose from moving to the right (UP) or to the left (DOWN).This is common for every c...
Page 77 - A filter works as follows:; seconds; The initial value is ‘OFF’.; ] key for which you want to specify a filter. Then
7 - 6 7.5 Configuring the Input Filter (Pen Model) Noise in the measured signal can be suppressed in the final measurement by using aninput filter. The purpose of this setting is to select for each channel whether or not touse a filter, and if so, to select a time constant of damping. A filter works...
Page 78 - ] key for which you want to compute a moving
7 - 7 7. SET UP MODE 7.6 Setting for Moving Average Calculations (Dot-printing model) 7.6 Setting for Moving Average Calculations (Dot-printing model) Noise in the measured signal can be suppressed in the final measurement by computinga moving average. It is possible to record a moving average calcu...
Page 79 - Turning Offset Settings Protection On/Off
7 - 8 7.7 Turning Offset Settings Protection On/Off Configure the recorder so changes can (on) or cannot (off) be made to the offset settingsin the SET mode. And in the list printing, if ON is set, the offset data are printed. NOTE When protection is turned on, you can set an offset value must be se...
Page 81 - Select ‘ON’ or ‘OFF’ using the [
7 - 10 7.9 Setting Pen Offset Compensation On/Off (Pen model, /D1 option) The POC function eliminates deviation (phase difference) between the pens on the timeaxis. The following figure shows a side view of the recording status for the 2 pen model(3 pen model is similar).The initial value is ‘OFF’. ...
Page 84 - Turning Printing of Changes in Chart Speed On/Off
7 - 13 7. SET UP MODE 7.12 Turning Printing of Changes in Chart Speed On/Off 7.12 Turning Printing of Changes in Chart Speed On/Off You can select the new chart speed printed on the chart when the chart speed changes.Note that the chart speed will not be printed when the chart speed exceeds 1800 mm/...
Page 86 - Selecting channel Number or Tag; Channel numbers; • If you select ‘ON’:; Tags, and in the list printing these printed.; ENT) key until the SET UP display appears.
7 - 15 7. SET UP MODE 7.14 Selecting channel Number or Tag 7.14 Selecting channel Number or Tag You can select channel numbers or tags printed out in the periodic, channel (Dot-printing model) and alarm printout.• If you select ‘OFF’: Channel numbers • If you select ‘ON’: Tags, and in the list print...
Page 88 - Changing Default Settings for REMOTE Operation (option); start/stop the recording; : change the chart speed to a preset second chart speed [
7 - 17 7. SET UP MODE 7.16 Changing Default Settings for REMOTE Operation (option) 7.16 Changing Default Settings for REMOTE Operation (option) This paragraph describes the way to change default settings for REMOTE operation. NOTE The settings concerning the REMOTE option (/R1) are always accessible...
Page 89 - Turning the Settings Protection Function On/Off; Never forget the password.
7 - 18 7.17 Turning the Settings Protection Function On/Off You can protect your settings made in the SET or SET UP modes using a password.• If you select ‘OFF’:the choice does not affect operation in any mode.• If you select ‘ON’:you must type in a password to enter the SET or SET UP mode. The pass...
Page 90 - Initializing Settings
7 - 19 7. SET UP MODE 7.18 Initializing Settings 7.18 Initializing Settings The settings which can be initialized concern the settings done in the SET mode only.This initialization does not affect any settings in the SET UP mode. SETTING PROCEDURE:Enter the SET UP mode by turning ‘ON’ the power whil...
Page 91 - Chapter 8 TROUBLESHOOTING
8 - 1 8. TROUBLESHOOTING 8.1 Error Code List Chapter 8 TROUBLESHOOTING This chapter describes the causes and recovering methods of recorder errors. 8.1 Error Code List8.2 Troubleshooting 8.1 Error Code List Error Codes Meaning Recovery Memory error of input A/D converter (Dot-printing model) Memory ...
Page 96 - WARRANT Y/ DISCLAIMER; r a n t y; RETURN REQUEST S / INQUIRIES; WARRANTY; OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
WARRANT Y/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 25 months f rom date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal t wo (2) year product war r a n t y to cover handling and sh...
Page 97 - Heating Cable
M3289/0299 W h e r e Do I Find Everything I Need for P r ocess Measurement and Control? OMEGA…Of Course! T E M P E R AT U R E Thermocouple, RTD & Thermistor Probes, Connectors, Panels & A s s e m b l i e sWi re: Thermocouple, RTD & ThermistorCalibrators & Ice Point Refere n c e sR e ...