Multifunction Thermocouple Calibrator

CL300A

Thermocouple Calibrator

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Measures Inputs from 10 Common Thermocouple Types plus mV
Accepts Miniplugs and Bare Wires
Simple Decade Control of Output
3 Setpoints for Each Thermocouple Type
Min/Max Recall
Input Protection to 240 Vac
Certificate of Calibration

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Description

The CL300A multifunction thermocouple/mV calibrator combines high accuracy with ease of use. Its accuracy of ±0.3°C (±0.5ºF) includes all errors, at resolutions of 0.01°C or °F in measure mode and 0.1°C or °F in source mode. Features include min/max recall in measure mode, 3 setpoints per thermocouple type, a large knob for decade control of the output in source mode, and compatibility with both bare-wire and miniplug inputs.

SPECIFICATIONS
(1 Year at 23 ±5°C; % of Reading Unless Otherwise Noted)
Output Voltage
Range: -10 to 75 mV
Resolution: 1 µV
Accuracy: ±0.007% rdg, ±10 µV
Output Impedance: 1 Ω
Input Voltage
Range: -10 to 75 mV/thermocouple source/measure
Thermocouple Types: J, K, T, E, R, S, B, L, U, C
Resolution
Source: ±0.1°C or °F
Measure: ±0.01°C or °F
Accuracy:
   J: ±0.5°C; -210 to -100°C, ±0.3°C; -100 to 1200°C
   K: ±0.6°C; -200 to -100°C, ±0.35°C; -100 to 1000°C, ±0.5°C; 1000 to 1372°C
   T: ±0.7°C; -200 to -150°C, ±0.3°C; -150 to 400°C
   E: ±0.5°C; -200 to -100°C, ±0.3°C; -100 to 1000°C
   R: ±1.8°C; 0 to 250°C, ±1.0°C; 250 to 1767°C
   S: ±1.8°C; 0 to 250°C, ±1.0°C; 250 to 1767°C
   B: ±1.7°C; 600 to 1000°C, ±1.2°C; 1000 to 1820°C
   L: ±0.5°C; -200 to -100°C, ±0.4°C; -100 to 900°C
   U: ±0.7°C; -200 to 0°C, ±0.3°C; 0 to 600°C
   C: ±0.4°C; 0 to°C 1000°C, ±0.7°C; 1000 to 1800°C, ±1.2°C; 1800 to 2316°C
Resolution: 1 ΩV Accuracy: ±0.007% rdg, ±10 ΩV
Input Impedance: >1 MΩ
CJC Temp Offset: ±0.05°C/°C outside of 23 ±5°C
Warm-Up Time: 1 minute to specification
Environmental
Operating Temperature:-10 to 55°C (14 to 131ºF)
Storage Temperature: -20 to 70°C (-4 to 158ºF)
Power Requirement: 9 Vdc
Battery: 9 V alkaline (included)
Optional Power: Ni-Cad battery, AC adaptor/charger
Mechanical
Dimensions: 144.7 H x 80.0 W x 36.3 mm D (5.7 x 3.15 x 1.43")
Weight: 340 g (12 oz)

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Note: Comes with flexible protective sleeve, 9 V battery, Type K thermocouple, operator’s manual and calibration certificate.