Your Source for Process Measurement & Control
Universal Thermocouple Calibrator
- Source and Read 14 T/C Types Plus mV J, K, T, E, R, S, B, N, G, C, D, L (J DIN), U (T DIN) & P (Platinel); -13.000 to 80.000 mV
- Resolution of 0.1°F and ºC; Accurate to 0.2°
- Instantly Select Three Outputs With Check Switch
- Easily Change T/C Types, Scale (°C and °F)
- Easy-to-Read Display
- Verify Cold Junction Temperature and Output Secondary Display of Compensated Millivolt Setting and Cold Junction Temperature
Description With the CL542-PLUS you cancheck and calibrate all yourthermocouple instruments andmeasure thermocouple sensors.
Calibrate Directly in Temperature (°C and °F)
Stop carrying around a millivoltsource and thermocouple tables.The CL542-PLUS works with thethermocouples you use includingTypes J, T, E, K, R, S, B, N, G, C,D, L (J-DIN), U (T-DIN) and PlatinelII. Easily set any value quickly towithin 0.1° with the adjustable digitalpotentiometer “DIAL” plus store anythree temperatures for instant recallwith the check switch.
Calibrate Quickly withAutomatic Output Stepping
Choose between 2, 3, 5, 11 and 21steps to automatically increment theoutput in 100%, 50%, 25%, 10% or5% of span.
Compatible with AllProcess Instruments
Connect directly to thethermocouple inputs ofsmart transmitters,PLCs, DCS andmultichannel recordersand verify their outputsor displays. Carry itwithout worry—it comesprotected with a rubberboot and rugged, lowprofile switch. Easy tooperate even in the darkareas of the plant withthe backlit display.
(Unless otherwise indicated all specifications are rated from a nominal 23°C, 70% RH for 1 year from calibration)
Accuracy: ± (0.008% of Reading + 0.006 mV)
Cold Junction Compensation: ± 0.16°F (±0.1°C)
Millivolt Range: -13.000 to 80.000 mV
Operating Temperature Range: -25 to 60°C (-10 to 140°F)
Relative Humidity Range: 10% ≤RH ≤90% (0 to 35°C), non-condensing; 10% ≤RH ≤70% (35 to 60°C), non-condensing
Dimensions: 143 L x 76.2 W x 40.64 mm H (5.63 x 3.00 x 1.60")
Weight: 12.1 ounces (including boot and batteries)
Power: 4 "AA" Alkaline 1.5V (LR6) (included)
Battery Life: 50 Hours, low battery low battery indication with nominal 1 hour of life left. Protection against misconnection over-voltage protection to 60 Vdc (rated for 30 seconds)
Display: High contrast graphic LCD. LED backlighting for use in low lit areas.
Input Impedance: > 10 Megohms
Open Thermocouple Threshold: 10,000 Ω nominal
Pulse: <10 microamp pulse for 300 milliseconds
Normal Mode Rejection: 50/60 Hz, 50 dB
Common Mode Rejection: 50/60 Hz, 120 dB Source
Output Impedance: < 0.3 Ω
Source Current: > 20 mA (drives 80 mV into 10 Ω)
Noise: ≤4 microvolts p-p for frequencies of 10 Hz or below
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