Technical Specifications

1. Input values: 2, 3, 4-wire heating resistors, thermocouples, resistors or millivolts, measurement range can be set through the interface

2. Output value:

·Output signal: Analog 4-20 mA

·Transmission characteristics: temperature linearity

·Alarm signal: Output drops below measurement range to 3.8 mA

Output above the measurement range to 20.5 mA

Sensor damage; Sensor short circuit ≤ 3.6mA or ≥ 21.0 mA

·Load: Max. (V power supply -10V)/0.022A (current output)

·Input current: ≤ 3.5mA

·Current limit: ≤ 23mA

·Switch delay: 4s (Ia=3.8 mA during power on process)

3. Power supply:

Power supply: U=10~35V, polarity protection

Power supply fluctuation: allowable fluctuation USS ≤ 3V (when Ub ≥ 13V, fmax=1kHz)

4. Performance characteristics

Response time: 1 second

Reference conditions: Calibration temperature+23 ℃ (73.4 ° F) ± 5K

Maximum measurement error: ≤ 0.08%

Power supply impact: ≤± 0.01%/V deviation from 24V

Environmental impact (temperature drift): Td=± (15ppm/K * (maximum measurement range+200)+50ppm/K * preset measurement range) * △ θ

△ θ=deviation of ambient temperature from reference temperature

Long term stability: ≤ 0.1K/year or 0.05%/year

Load impact: ≤± 0.02%/100 Ω

(1) All values relative to the final measurement value

(2) According to the reference conditions

(3) Relative to the adjustable measurement range (take the larger value)