by Simex

Meter with large, readable display, with universal input (0/4-20mA, 0-10V, 0-150 mV, Pt 100/500/1000 or TC type K, S, J, T, N, R, B, E), with 0, 2 or 4 relay (or OC type) outputs and 1 analogue output, according to the customer selection: active current output, passive isolated current output or active voltage output. The meter can be configured with the local keyboard or free S-Config software via the RS-485 communication port.



Universal (programmable): current; voltage; milivoltage; thermoresistance or thermocouple type K, S, J, T, N, R, B, E

Power consumption

for 85 ÷ 260V AC/DC and 16V ÷ 35V AC power supply: max. 4,5 VA; 19V ÷ 50V DC power supply: max. 4,5 W


0, 2 or 4 relays 1A/250V AC (cos fi=1) or the OC 30mA/30VDC/100mW; transducer power supply output: 24V DC +5%, -10% / max. 100 mA, stabilized, not insulated from measuring inputs

Case material


Measurement range

current: 0-20 mA or 4-20 mA, voltage 0-5 V, 1-5V, 0-10V or 2-10V, milivoltage 0-60 mV, 0-75 mV, 0-100 mV or 0-150 mV; thermoresistance: Pt100, Pt500, Pt1000, measuring range -100°C ÷ 600°C; thermocouple K: -200°C ÷ +1370°C; S: -50°C ÷ +1768°C; J: -210°C ÷ +1200°C; T: -200°C ÷ +400°C; N: -200°C ÷ +1300°C; R: -50°C ÷ +1768°C; B: +250°C ÷ +1820°C; E: -200°C ÷ +1000°C

Protection class

IP 65 (front), available additional frame IP 65 for panel cut-out sealing; IP 20 (case and connection clips)

Operating temperature

0°C ÷ +50°C (standard); -20°C ÷ +50°C (option)


LED, red (green on request), 4 x 20 mm high

Power supply

19V ÷ 50V DC; 16V ÷ 35V AC or 85 ÷ 260V AC/DC


0.1% @25°C (inputs: current, voltage, milivoltage, thermoresistance, thermo-couple K, J, E); 0.2% @ 25°C (thermocouple N), 0.5% @25°C (thermocouple S, T, R, B)

Analogue outputs

(available with 2 x REL or OC, see ordering): active current: operating range 0/4-20 mA (max. 0-24 mA), load resistance 700 Ω max., resolution 13 bit passive current: isolated, operating range 4-20 mA (max. 2,8-24 mA), load resistance 600 Ω@24VDC, resolution 13 bit; active voltage: operating range 0/1-5V, 0/2-10V (max. 0-11V), load resistance min. 2000 Ω, resolution 13 bit


50 ppm/°C

Communication interface

RS-485, 8N1 and 8N2, 1200 bit/s ÷ 115200 bit/s, Modbus RTU (not galvanically isolated from measuring inputs)

Displayed values range

-999 ÷ 9999 + decimal point

Storage temperature

-10°C ÷ +70°C; -20°C do +70°C (depending on version)

Case dimensions

96 x 48 x 100 mm


panel mounting

Panel cut-out dimensions

90,5 x 43 mm

Installation depth

min. 102 mm


Datasheet : SUR-94