● Input signal: 4-20mA or 1-5V or 0-20mA or 0-10mA or 0-5V or 0-10V or ± 5V or ± 10V DC signal.

Output signal: 4-20mA or 1-5V or 0-20mA or 0-10mA or 0-5V or 0-10V or ± 5V or ± 10V DC signal.

Load capacity of current output signal: 0-600 Ω

Basic error (accuracy): ± 0.1%

Output AC component: ≤ 40mV

● Temperature drift: ≤ 0.02%/℃

Common mode rejection ratio: ≥ 120dB (at 50Hz)

Power supply: 24Vd. c. ± 10%, ripple content less than 1%.

● Power consumption:

a) Power consumption of one in one out single channel instrument: ≤ 2.5W;

b) The power consumption of one in two out and two in two out dual channel instruments is ≤ 5W.

Isolation characteristics: The input, output, and power supply of the instrument are isolated from each other. Insulation resistance ≥ 100M Ω (at 500Va. c.).

Lightning protection characteristics (only applicable to S97 instruments): capacitive current (8/20 μ s) ≥ 5kA.

Maintainability: The instrument can be powered on for core replacement when installed and powered.