Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Center 372
Summary of Contents for Center 372
- Page 1 RTD THERMOMETER...
- Page 3 372-00 SEP. 2006...
-
Page 4: Table Of Contents
CONTENTS TITLE PAGE 1. Introduction………………………………………………….……… 1 2. Specifications………………………………………………………..1 3. Symbol Definition and Button Location……………………..3 4. Operation Instructions……………………….…………………..5 4.1 Power-Up & Back Light Operation........5 4.2 Connection the Temperature Probe………......5 4.3 Selecting the Temperature Scale……………..……………… 5 4.4 Data-Hold Operation…………………………………………… 5 4.5 T1-T2 Operation…………………………………………..……... -
Page 5: Introduction
RTD THERMOMETER 1. Introduction: This instrument is a digital thermometer for use with platinum-type temperature sensor. Temperature indication follows IEC751 temperature table for PT-type sensor. 2. Specifications: Numerical Display: 4 digital liquid crystal display Measurement Range: -100°C ~ 300°C; -148°F ~ 572°F Resolution: 0.1°C;... - Page 6 RTD THERMOMETER Note: The basic accuracy Specification does not include the error of the probe please refer to the probe accuracy specification for additional details. Sample Rate: 2 times per second for each channel Water resistance: IP67 Dimension: 150 × 66 × 31mm Weight: 180g Approx.
-
Page 7: Symbol Definition And Button Location
RTD THERMOMETER 3. Symbol Definition and Button Location: : This indicates that the minus temperature is sensed. °C °F : Centigrade and Fahrenheit indication. Pt 100 : 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. - Page 8 RTD THERMOMETER Pt type temperature sensor connector ○ LCD display ○ Power ON/OFF button & Back Light button ○ HOLD button ○ MAX MIN Average control button ○ T1-T2 button ○ Relative readout button ○ °C , °F control button ○...
-
Page 9: Operation Instructions
RTD THERMOMETER 4. Operation Instructions: 4.1 Power-Up & Back Light Operation The ○ key turns the thermometer ON or OFF and backlight ON & OFF. Press it once to turn ON the Thermometer. Press it again for moment to turn ON or OFF backlight. Press and hold this button 3 second to turn Off the power. -
Page 10: Relative Operation
RTD THERMOMETER 4.6 Relative Operation: When one press the “△REL” button, the meter will memorize the present reading and the difference between the new reading and the memorized data will be shown on the display. Press the “△REL” button again to exit the Relative operation. 4.7 MAX/MIN/AVG Operation: When one press the button the meter will enter the... -
Page 11: Low Battery Condition
RTD THERMOMETER 4.9 Low Battery Condition: The temperature meter incorporates visual low battery indication as follows: Battery OK, measurements are possible. Battery Low, battery needs to be replaced, measurements are still possible. Battery exhausted, the battery need to replaced with new one(size AAA, 1.5V x 3). -
Page 12: Temperature Meter Calibration Setup
RTD THERMOMETER 6. Temperature Meter 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 13 RTD THERMOMETER 6.1 Pt type selection 6-1-1. Press and hold “Power” + “T1-T2” buttons for 2 seconds to enter setup mode. 6-1-2. Press “Hold” button to enter Pt α selection mode. 6-1-3. Press “Max” button to select between Pt probe type. (α=3850, α=3926, α=3916 is circulate) 6-1-4.
- Page 14 RTD THERMOMETER 6.2 0 °C Calibration Insert temperature probe into 0°C Deg. Standard calibrator unit before calibration. Hold the probe until condition is stabilized before starting calibration. 6-2-1. Press and hold “Power” + “T1-T2” buttons for 2 seconds to enter setup mode. 6-2-2.
- Page 15 RTD THERMOMETER 6-2-5. Press “REL” button to confirm present 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” + “T1-T2” buttons for 2 seconds to enter setup mode. 6-3-2. Press “REL”...
- Page 16 RTD THERMOMETER 6-3-3. Press “°C/°F” button to confirm Pt α selection 6-3-4. Press “T1-T2” 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 17: Maintenance
RTD THERMOMETER 7. Maintenance Replacing the Batteries (1) Remove back cover screw to remove cover. Verify polarity and install new LR03(AAA size) alkaline 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. -
Page 18: Cleaning
RTD THERMOMETER Cleaning In order to ensure the accuracy of the thermometer for a longer period of time you should calibrate it once a year. Clean the device and the window of the display with 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. -
Page 19: Temperature Probe
RTD THERMOMETER 8. Temperature Probe 8.1 Piercing type temperature probe 8.2 Piercing type temperature probe Specification Platinum resistance thermometer Sensor Type sensor Pt 100(4 wires) Alpha=0.003850 IEC751, class A ±0.15°C±0.002t Accuracy (t: measurement temperature) Measurement Range -100 to 400°C Temperature Sensor Approx. - Page 24 CENTER TECHNOLOGY CORP. 4 / F NO. 415, Jung-Jeng Rd., 238 Shu-Lin, Taipei, Taiwan E-Mail : center@centertek.com http : / / www.centertek.com 372-00...
Need help?
Do you have a question about the 372 and is the answer not in the manual?
Questions and answers