IP67 Large Process Meter with 2 Relay and RS485

IP67 Large Process Meter with 2 Relay and RS485

SKU: SII-140

The Simex SUR-457  features large, readable 57-mm LED display (ultra bright reds), universal input (0/4-20mA, 0-10V, 0-150 mV, RTD and TC types) and 2 relay outputs.

  • Manufacturer: Simex
Buy more for less:
1-4items$495.67/ each 
5-9items$446.10/ eachsave10%
10or more items$421.32/ eachsave15%
  • $495.67
In stock(1 item available)

The SUR-457 meter with large, readable 57-mm LED display (ultra bright red, optional green and blue as well as multicolour LED's), 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), 2 relay (optional 0 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. Thanks to the tight housing with high (IP 67) protection degree, this device is particularly suitable for operations in harsh environments. The meter can be configured with the local keyboard or free S-Config software via the RS-485 communication port.


  • Universal Input
  • 2 Relay Output
  • RS485 Communications
  • Modbus address selectable 01~255
  • 24VDC powered
  • Discrete screw terminals allow easy connection
  • CE EMC certification
  • Part number: SUR-457-R-J0-11000-10-3-001

Options Available:

  • 230VAC powered
  • Green, Blue Led Display
  • Power Supply: 19-50VDC and 16-35VAC or 85-260VAC/DC
  • Power Consumption (max): 13.5W (19-50VDC); 19.5VA (16-35VAC); 21VA (85-260VAC/DC)
  • Communication interface: RS-485, 8N1 and 8N2, 1200 to 115200bit/s, Modbus RTU (not galvanically isolated from measuring inputs)
  • Input Types (Programmable): 
    • Current: 0-20mA, 4-20mA
    • Voltage: 0-5V, 1-5V, 0-10V, 2-10V
    • Milivoltage: 0-60mV, 0-75mV, 0-100mV, 0-150mV
    • Thermoresistance: Pt100, Pt500, Pt1000, range -100 to 600°C
    • Thermocouple: Type K, S, J, T, N, R, B, E
  • Transducer Power Supply Output: 24VDC +5%, -10% / max. 100 mA, stabilized, not insulated from measuring inputs
  • Relay Outputs: 2 or 4 NO, 5A/250VAC (resistance); 3A/250VAC (reactance)
  • Open Collector Outputs: 2 or 4, 30mA / 30VDC / 100mW
  • Analog Outputs (available with 2 x REL or OC):
    • Active Current: 0/4 to 20mA (max 0 to 24mA), maximum load resistance 700Ω, 13 bit resolution
    • Passive Current: 4 to 20mA (max 2.8 to 24mA), isolated, load resistance 600Ω @24VDC, 13 bit resolution
    • Active Voltage: 0/1 to 5V, 0/2 to 10V (max 0 to 11V), minimum load resistance 2000Ω , 13 bit resolution
  • Accuracy: 
    • Current, Voltage, RTD, thermocpuple K, J, E Type Inputs: 0.1% @25°C
    • Thermocouple N Type Input: 0.2% @ 25°C 
    • Thermocouple S, T, R, B Type Inputs: 0.5% @25°C
  • Temperature stability: 50 ppm/°C
  • Operating temperature: 0 to 50°C (standard), -20 to 50°C (option)
  • Storage temperature: -10°C ÷ +70°C or -20°C ÷ +70°C (depending on version)
  • Display: LED, 4 x 57 mm, multicolour or ultra bright red, green, blue (according to order)
  • Protection class: IP 67
  • Case material: ABS + polycarbonate (standard); 100% polycarbonate (on request)
  • Dimensions: 230 x 140 x 96.5 (mm), Wall-mounted
    • SKU
    • Weight
      1.3 kg
    • Dimensions (L x W x H)
      12 x 10 x 7 cm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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