Center 370, Instruction Manual

Page 1: ...RTD THERMOMETER 370 ...

Page 2: ...370 00 JAN 2006 ...

Page 3: ...the Temperature Scale 5 4 3 Selecting the Temperature Scale 5 4 4 Data Hold Operation 5 4 5 Back light Operation 5 4 6 Relative Operation 6 4 7 MAX MIN AVG Operation 6 4 8 Auto Power Off 6 4 9 Low Battery Condition 7 5 Temperature Probe 7 6 Temperature Meter Calibration Setup 8 7 Maintenance 13 Replacing the Batteries 13 Cleaning 14 8 Temperature Probe 15 ...

Page 4: ...table 4 wires ALPHA 0 003850 Measurement current Approx 0 53mA Maximum Voltage at Temperature couple Input 60V DC or 24Vrms AC Environmental R Operating Temperature and Humidity 0 C 50 C 32 F 122 F 0 80 RH R Storage Temperature and Humidity 10 C to 60 C 14 F 140 F 0 80 RH R Altitude up to 2000 meters Accuracy at 23 5 C Range Accuracy 100 C 300 C 0 1 reading 0 4 C 148 F 572 F 0 1 reading 0 8 F Temp...

Page 5: ...robe accuracy specification for additional details Sample Rate 2 times per second Water resistance ip67 Dimension 150 66 31mm Weight 175g Approx Accessory PT 100 Probe class A Battery Instruction Menu Option Connection Cable Power requirement Battery 1 5V X 3 size AAA Battery Life Approx 100hours with alkaline battery ...

Page 6: ...ion Pt xxx Platinum Type Indication HOLD This indicates that the display data is being hold MAX The Maximum value is now being displayed MIN The Minimum value is now being displayed AVG The Average value is now being displayed REL The reading is now under Relative Mode The Battery power potential indication This indicates Auto Power Off is enabled ...

Page 7: ...D THERMOMETER 4 1 Pt type temperature sensor connector 2 LCD display 3 Power ON OFF button 4 HOLD button 5 MAX MIN Average control button 6 Back light button 7 Relative readout button 8 C F control button ...

Page 8: ...enheit F by pressing C F button and vice versa to Celsius 4 4 Data Hold Operation The user may hold the present reading and keep it on the display by pressing the HOLD button When the hold data is no longer needed one may release the data hold operation by pressing HOLD button again When the meter is under Data Hold operation the REL and C F button are disabled 4 5 Back light Operation Press the B...

Page 9: ... again then the NIN symbol is on the display and also the minimum reading Press again the AVG symbol is on the display and also the average reading Press again MAX MIN and AVG will blink together This means that all these data is updated in the memory and the reading is the present temperature One may press to circulate the display mode among these options When the meter is under operation REL and...

Page 10: ...possible Battery exhausted the battery need to replaced with new one size AAA 1 5V x 3 5 Temperature Measurement 5 1 Correct Measurement Method The temperature sensor is located at the end of the metal sheath of the sheath type TEMPERATURE PROBE To accurately test internal temperature insert the probe into the item you want to measure to a distance at least 15 times the diameter of the sheath 5 2 ...

Page 11: ...er Calibration Setup Below table diagram shows each button function when user enter into calibration mode Note Turn the Power OFF before attempting following SETUP Setup mode is cancelled during below procedure if POWER button is pressed ...

Page 12: ...ress and hold Power Light buttons for 2 seconds to enter setup mode 6 1 2 Press Hold button to enter PT selection mode 6 1 3 Press Max button to select between PT probe type Pt100 Pt500 Pt1000 is circulate 6 1 4 Press C F button to confirm selection ...

Page 13: ...on Hold the probe until condition is stabilized before starting calibration 6 2 1 Press and hold Power Light buttons for 2 seconds to enter setup mode 6 2 2 Press REL button to enter calibration mode Enter PT selection first 6 2 3 Press C F button to confirm PT selection 6 2 4 Press REL button to enter calibration mode ...

Page 14: ...esent calibration value 6 2 6 Press C F button to confirm selection 6 3 Recall Default factory setting value 6 3 1 Press and hold Power Light buttons for 2 seconds to enter setup mode 6 3 2 Press REL button to enter calibration mode Enter PT selection first ...

Page 15: ...12 6 3 3 Press C F button to confirm PT selection 6 3 4 Press Light button to enter recall mode 6 3 5 Press C F button to confirm revert back to Default factory setting value 6 3 6 Press C F button to confirm selection ...

Page 16: ...ine batteries 2 Fit cover properly and tighten screw The unit s back cover are fitted with rubber rings After replacing the battery check that the rubber rings are properly seated before reinstalling the back cover Improper seating of the rubber rings will compromise the unit s water resistant structure and possibly result in damage to the equipment ...

Page 17: ...ith a clean lint free antistatic and dry cleaning cloth Do no use cleaning agents that contain carbon or benzenes alcohol or anything similar to clean the product since these substances damage the surface of the measuring instrument Moreover these fumes are hazardous to health and explosive Do not use tools with sharp edges screwdrivers metal brushes or anything similar to clean the device ...

Page 18: ...on Sensor Type Platinum resistance thermometer sensor Pt 100 4 wires Accuracy IEC751 class A 0 15 C 0 002t t measurement temperature Measurement Range 100 to 400 C Temperature Sensor Dimensions Approx 3 2mm 0 125 Temperature Sensor Length Approx 120 mm 4 72 Cable Length Approx 1100 mm 43 3 Water resistant EN60529 1991 IP67 ...

Page 19: ...CENTER TECHNOLOGY CORP 4 F NO 415 Jung Jeng Rd 238 Shu Lin Taipei Taiwan E Mail center centertek com http www centertek com 370 00 ...