Page 2 - Mexico and; OMEGA; OMEGAnet
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 applica...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS General Information ......................................................................... 2Common Specifications ................................................................... 2Unique Specifications ...................................................................... 5Fe...
Page 5 - TEMPERATURE COEFFICIENT:; MAXIMUM COMMON MODE VOLTAGE: 42V peak to earth.
3 RTD; ±0.2°F (rdg ≥ – 50°F) RTD; ±0.5°F (rdg < – 50°F) RTD; ±0.2°F ±0.04% rdg (meter mode) THERMISTOR; ±0.5F OHMS; ±0.02% range * Exclusive of sensor errors, and lead resistance induced errors. RESOLUTION: TEMPERATURE; 0.1°/1° F/C RESOLUTION: OHMS; 0.01 Ω /0.1 Ω /1 Ω REPEATABILITY (1 week at con...
Page 7 - UNIQUE SPECIFICATIONS
5 BATTERY LIFE, CONTINUOUS: 10 hrs. typical, alkaline; 3 hrs typical, Ni-Cd(rechargeable). BATTERY INDICATOR: Display indicates BAT when less than 10% of life remains. DIMENSIONS, WEIGHT: 7.0" × 2.9 × 1.1". Net weight 12 oz. UNIQUE SPECIFICATIONS NOTE: The specifications below are specific t...
Page 8 - FEATURES
ACCURACY: (18°C to 28°C ambient, 2 years): ±0.5 °F (rdg ≥ –50°F). ±0.04% rdg (rdg > 1250°F)±1.0°F (rdg < –50°F)OHMS; ±0.04% range TEMPERATURE COEFFICIENT: 18°C to 28°C; included in accuracy specifications.From 0°C to 18°C, and 28°C to 50°C. K, J, T, E; ±(0.006% rdg + 0.03°C)/°CRTD, THERMISTOR,...
Page 9 - UNPACKING YOUR UNIT; Make sure that you have the following items in the packing box.; SAFETY INFORMATION; The symbol; SAFETY PRECAUTIONS; WARNING
UNPACKING YOUR UNIT Remove the Packing List and verify that you have received all equipment. Ifyou have any questions about the shipment, please call the OMEGACustomer Service Department at 1-800-622-2378 or (203) 359-1660. When you receive the shipment, inspect the container and equipment for anysi...
Page 11 - CAUTION; BATTERY INSTALLATION/REPLACEMENT; direction of the arrow located on the battery cover.; Figure 1. Battery Installation
CAUTION Keep inputs electrically isolated from outputs. Do not con-nect an external voltage source between the two connectors,and avoid any external electrical pathways between inputand output (T2 & T1). Failure to do so will disturb meter readings and calibratoroutput levels. Damage to the inst...
Page 12 - • After a new battery is installed, allow approximately 5 sec-; MEMORY BACKUP
2. Remove the old battery by lifting the battery extractor loop. 3. Place the new battery in the battery compartment. Be sure to observe proper polarity. 4. Re-install the battery cover before resuming use of the instrument. NOTES:• Less than 10% of battery life remains when the BAT annuncia- tor tu...
Page 13 - OPERATING INSTRUCTIONS; DIAGNOSTICS AND ERROR MESSAGES
OPERATING INSTRUCTIONS 1. DIAGNOSTICS AND ERROR MESSAGES Unit self-diagnostics provide fault condition readouts which are describedbelow: PROBLEM: LIKELY CAUSE: Blank display, unit does not (1) Improper battery installation. power-up. (1) Check battery polarity. (2) Dead battery. BAT Annunciator. (1...
Page 14 - Figure 3. Display Test
If the unit is turning on for the first time after a new battery is installed, it willautomatically default to the METER mode (ie. temperature measurementoperation). It also defaults to K-type thermocouples, and °F readings with0.1° resolution. The corresponding LCD annunciators are enabled: 12 Figu...
Page 17 - DATA LOGGING AND RECALL
15 Lead resistance errors are compensated for in 3-wire configurations.However full compensation requires equal resistance in each lead. Thisconfiguration is common with 100-ohm RTDs. In 4-wire configurations, accuracy is unaffected by lead resistance, andresistance differences between leads. NOTE: ...
Page 18 - • The enabled location annunciator indicates that the meter read-; • When data is stored in a location already filed with data, the
To Save Readings: 1. While in the METER OPR mode, depress the STORE key. Note that the OPR annunciator is replaced by STO. 2. Next depress one of the memory location numbers (keys 0, 1, . . ., 9). The corresponding memory annunciator turns on and the meter returnsmomentarily to the OPR mode, display...
Page 20 - • Invalid numeric entries (eg. a temperature beyond the span of; • To correct a numeric entry while in the NUM mode, hit the
18 6. Select the resolution desired (0.1°/1° key). NOTE: With 1° resolution, one less key stroke will be required toenter calibrator output temperatures via the keypad. 7. The unit accepts numeric inputs by first changing the keypad to its num- ber-entry mode (NUM) by depressing the CHANGE/ENTER key...
Page 22 - STORAGE AND RECALL OF CALIBRATOR SETTINGS
8. STORAGE AND RECALL OF CALIBRATOR SETTINGS While operating as a calibrator, the unit can store and recall up to 10 outputsettings (each with independent parameters, eg. °F/°C, sensor type, and res-olution) in random access memory. To Store Outputs: 1. While in the CALIB OPR mode, depress the STORE...
Page 23 - • Any other key except ON/OFF and CLEAR will also return the
To Recall Outputs: 1. While in the CALIB OPR mode, set-ups saved earlier in memory can be recalled to program the calibrator output. First depress the RECALL keyto recall a set-up. 1. Note that the RCL annunciator turns on, OPR turns off, and all memorylocations annunciators are blanked. 2. Next hit...
Page 25 - SERVICE INFORMATION; CALIBRATION PROCEDURES; Installation/Replacement section in the manual.
SERVICE INFORMATION WARNING All service information is intended for qualified electronic mainte-nance personnel only. 1. CALIBRATION PROCEDURES This is a two-part procedure. Products with thermocouple functions only, fol-low the Thermocouple Calibration procedure below. Products with resistancefunct...
Page 27 - Calibration Adjustments:; Set calibrator-mode zero and gain adjustments per Table 2. Hit
Calibration Adjustments: NOTE: Do not deviate from the calibration adjustment sequencethat follows. This will ensure that adjustments to be stored inEEPROM go to the correct locations. 1. Set meter-mode zero and gain adjustments per Table 1. 2. Hit OPR key (RTD annunciator turns off). 3. Set U.U.T. ...
Page 30 - Secure battery with a piece of adhesive tape.
B. RESISTANCE CALIBRATION NOTE: Thermocouple and resistance calibrations are indepen-dent. However, potentiometer P1 is used in both thermocoupleand resistance calibrations to set EEPROM constants. Follow cal-ibration procedures carefully to ensure that thermocouple andresistance calibrations do not...
Page 31 - Figure 14. Resistance Calibration Setup
Page 32 - Switch current source to OPERATE mode.
Sensor Unit Unit Step Select Input Adjust Verify Reading* 1 RTD-100 390.26 Ω P1** 1562.0°F±0.5°F 2 RTD-100 100.00 Ω √ 32.0±0.1°F 3 RTD-100 18.49 Ω √ –328.0±0.2°F 4 RTD-1000 3,902.6 Ω P1** 1562.0°F±0.5°F 5 RTD-1000 1000.0 Ω √ 32.0+0.1°F 6 1,000 Ω 900.00 Ω P1 900.00 Ω 7 1,000 Ω 1.00 Ω √ 1.00±0.10 Ω 8 ...
Page 35 - Voltmeter accurate to 1μV resolution.; Press the ON function button to turn the unit on.; Select the calibrator mode (“CALIB” on display) by pressing the
33 Model Software Revision CL23A 6.7 CL24 7.7 CL25 3.7 CL26 5.6 CL27 4.16 (Software revision is marked on a label attached to integrated-circuit U1 onthe mother-board). "Copper-mode" is a non-compensated mode of operation during whichcold-junction compensation of inputs and outputs is disabl...
Page 39 - SELECT function button until type K is reached.
3. Select the calibrator mode (“CALIB” on display) by pressing the CALIB/METER function button. 4. Select type K thermocouple (“K” on display) by pressing the SENSOR SELECT function button until type K is reached. 5. Select the tenth degree display with a digit appearing after the decimal point on t...
Page 40 - MECHANICAL PARTS DIAGRAM
Page 41 - CALIBRATION PROCEDURES; Test Equipment Required:; Installation/Replacement instructions in the manual.
39 CALIBRATION PROCEDURES Test Equipment Required: 1. Thermocouple simulator (OMEGA CL25, or equivalent). 2. Microvolt null-meter (Keithley 155, or equivalent) 3. Calibration cover (OMEGA 820-307-4). 4. Calibration cables, T.C. types K, J, T & E (as required) per Figure1 below. 5. Low-thermal (e...
Page 45 - NOTES
Page 47 - RETURN REQUESTS / INQUIRIES; USA
WARRANTY/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 37 months from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal three (3) year product warranty to cover handling and shipping...
Page 48 - TEMPERATURE
M1554/ 1105 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! TEMPERATURE M U Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies M U Wire: Thermocouple, RTD & Thermistor M U Calibrators & Ice Point References M U Recorders, Co...
