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SEM1600B Load Cell Signal Conditioner

Brand: Status Instruments

The SEM1600/B is a “smart” powered bridge amplifier for use with strain gauges or load cell signals. 

The product has a built in capability to scale the input signal to a process value while the output stage offers either voltage, bipolar voltage or active / passive current re-transmission signals. 

The product comes with an AC/DC power supply that will operate in the range (10-48) Vdc and (10-32) Vac making the device ideal for battery operation. 

An additional volt free contact input is available for tare setting using a remote switch.

The high precision input stage of the device allows for a bridge excitation voltage of 5 Vdc to be used as opposed to the traditional 10 Vdc. This reduces the power requirement for the bridge supply and up to four bridges (cells) may be connected to the input. 

The device is provided with two front panel push buttons that can be configured to perform one of two functions or be disabled. 

Set as function 1, the buttons allow the user to push button configure the output range at high and low scale against a live input signal, set as function 2, the buttons allow the operator to trim the output at high and low scale. 

The device uses ratio metric measurement to obtain high stability.
Features
  • Accepts Up To 4 Load Cells In Parallel
  • Output Current or Voltage Signal
  • Calibration Function
  • Remote Tare Function
  • Power Supply (10 to 32) V AC or (10 to 48) V DC Supply
  • View Live Data On An Android Phone Or Tablet

Specifications

Accuracy

  • Output Current: (mA Out/2,000) or 5 µA whichever is greater
  • Output Voltage: ± 5 mV

Ambient Temperature Range

  • 10° to 30° C (50° to 86° F)

Applications

  • Load Cell/Strain Gauge

Approvals & Certifications

  • CE BS EN 61326

Communication

  • Baud Rate: 19,200 bit/sec

Configuration

  • USB

Electrical Connectors

  • 4-Wire Ratiometric
  • DIN 43880

Electrical Rating

  • 5 Vdc at 59 mA, ± 0.1 V

Environmental Protection

  • IP65

Filter

  • 1 to 20 seconds to Reach 70 % of Final Value

Humidity

  • 10 to 90 % Relative Humidity

Indication

  • LED Green when Output (-0.1 to 100.1) %
  • LED Red - Input/Output Error

Input

  • Bridge Input: -38 to 38 mV at 5 V Excitation
  • Bridge Input: -7.6 to 7.6 mV/V

Interface Connection

  • USB 2, USB SpeedLink

Isolation

  • Galvanic Isolation - Supply to Input to Output: 500 Vdc

Linearity

  • ± 0.01 %

Load Impedance

  • Bridge Impedance: 85 to 10,000 ohms (Operates with Four 350 ohms Cell in Parallel)

Materials of Construction

  • Polyimide 6.6

Mounting

  • DIN Rail

Operating Temperature

  • -30° to 70° C (-22° to 158° F)

Output

  • Output Current - Current Source/Sink: 0-21.5 mA
  • Output Current Sink: Supply 10-30 Vdc
  • Output Voltage - Current Drive: ± 2 mA
  • Output Voltage - Range: 0-10.1 V
  • Output Voltage - Range: -10.1 to 10.1 V

Power

  • < 1 W Full Power

Power Supply Effect

  • Output Current - Voltage Effect: 0.2 μA/V

Resistance

  • Output Current - Current Source: Max.
  • Output Voltage - Current Drive: Min. Load 5,000 ohms at 10 V

Response Time

  • < 200 milliseconds at 10 Samples Per second
  • < 50 milliseconds at 80 Samples Per second

Storage Temperature

  • -30° to 70° C (-22° to 158° F)

Style

  • Colour Grey

Supply Voltage

  • 10-32 Vac Protected by Internal 500 mA Resettable Fuse
  • 10-48 Vdc

System Requirements

  • Windows® XP

Thermal Drift

  • Bridge Input: < ± 0.05 %
  • Output Current: 1 µA/°C

Update Time

  • 10 Samples Per second
  • 80 Samples Per second

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