Omega 450 - Manuals - manualsarea.com

Page 2 - Servicing North America:; For immediate technical or application assistance:; OMEGAnet

Servicing North America: USA: One Omega Drive, Box 4047 ISO 9001 Stamford CT 06907-0047 Certified Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: [email protected] Canada: 976 BergarLaval (Quebec) H7L 5A1, CanadaTel: (514) 856-6928 FAX: (514) 856-6886 e-mail: [email protected] For immediate technical or ap...

Page 5 - General Description

2 Section 1 Description 1.1 General Description Your hand-held, battery operated digitaltemperature indicator is configured for compatibilitywith one of five temperature transducers, J,K,E,TRTD and Thermister. Each of the configurations linearizes the analogoutput from the transducer to produce a st...

Page 6 - Physical Description

3 1.2 Physical Description The indicator measures 45 mm (1.8 inches) inHeight, 85 mm (3.3 inches) in width, and 145 mm(5.7 inches) in length. Weight is 230 grams (8.0ounces). The case is constructed of high impactplastic. 1.3 Unpacking The indicator is supplied with the battery installed.A quick ele...

Page 7 - Specifications

4 Specifications Display: Liquid crystal display, 7.6 mm (0.3 in.) digitHeight Operating temperature: 0 to 50 ° C (32 to 122 ° F) 0 to 75% Relative Humidity Storage Temperature: -20 to 70 ° C (-4 to 158 ° F) Battery: NEDA 1604, 9 Volt Battery Life: Thermocouple-2000 hours minimumPlatinum RTD-500 hou...

Page 10 - Principles of Operation

7 Section 2 Operation 2.1 Principles of Operation The temperature indicator uses two ICs to digitizeand display the analog input signal. One IC performs the conversion of the analoginput to the digital equivalent via 24 bit delta-sigma analog to digital converter. Battery voltageis also monitored by...

Page 12 - the recesses or each corner of the case bottom.

9 the recesses or each corner of the case bottom. Step 2: Carefully pull the case halves straightapart so as not to damage the internal connectors. Step 3. Install the new battery. Close the case andreinstall the four screws.

Page 15 - Operation Features

12 450 SERIES OFF HOLD ON F . ON C . 1 0.1 F C F/CIndication DisplayValue ProbeInput Jack LowBatteryVoltageIndication To HoldDisplay Press andhold key toretain lastreading onthe display. Press thiskey toturn OFF Range Selector Press C or F keys toturn ON and/ortemperature scale Operation Features

Page 17 - C with a thermocouple simulator

14 Section 3 Calibration 3.1 Calibration Units with serial numbers beginning with theletter N use the calibration procedure outlinedbelow. Older units do not display versionnumbers and use the calibration procedureson page 19 . The calibration procedure should be performedby a qualified instrumentat...

Page 18 - the input

15 with a minimum accuracy of ±0.1 degreeFahrenheit or ±0.2 degree Centigrade. Step 1. Ensure the unit is turned off. Connect theoutput of the thermocouple simulator to the input of the indicator using the appropriatethermocouple wire. Set the simulator output to 0 ° C Step 2. Locate the calibration...

Page 21 - Ra

18 10 2 5 1 63 8 9 47 GND Ref J +IN -1.23V +3.7V Ra Rc Rb Ra - Full Scale Adj. Rb Zero Adj. Rc +Full Scale Adj.

Page 25 - Calibration- Thermistor Type

22 Calibration- Thermistor Type Equipment List • 4 ½ digit voltmeter • Precision decade box: Resolution, 0.01 ohm ; accuracy ± 0.02% • Ice Bath, 0.00 ° C ± 0.05 ° C • Electro Scientific Industries DB-62 or equivalent a. Turn the indicator ON by pressing the ° C key. b. Remove the bottom case of the ...

Page 27 - Calibration- Platinum RTD

24 Calibration- Platinum RTD Equipment List • 4 ½ digit voltmeter • Precision decade box: • Resolution, 0.01 ohm ; accuracy ± 0.02% • Ice Bath, 0.00 ° C ± 0.05 ° C • Electro Scientific Industries DB-62 or equivalent a. Turn the indicator ON by pressing the ° C key. b. Remove the bottom case of the i...

Page 29 - Zero Calibration; a. Turn the indicator on by pressing the

26 Zero Calibration a. Turn the indicator on by pressing the ° C key. b. Set the indicator to the 0.1 ° range. c. Connect the ice bath probe to the indicator Input jack. d. Place the probe in a stable ice bath (0.00C ± 0.05 ° C and adjust the ZERO pot (Rb) located beneath the plug on the rear casefo...