Omega欧米茄原装 热电偶校准器 CL542-PLUS

SPECIFICATIONS
(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.

Read
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