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SEM161/162 RH & Temperature Transmitter

Brand: Status Instruments

The SEM161 /162 series are a cost effective “smart” humidity and temperature transmitter with a single two wire (4-20) mA output (SEM161) or dual two wire (4-20) mA output (SEM162). 

The design uses a digital sensor which plugs into the sensor stem. A 4 digit display option is also available. 

The product will measure humidity, temperature, dew point and delta T (the difference between dewpoint and ambient temperature) values. 

Using our free software, available on our website, PC configuration allows you to measure any one of these 4 parameters on the SEM161, or any two on the SEM162.

Specifications

Accuracy

  • (mA Out x 0.0005) or 5 µA whichever is greater

Ambient Temperature Range

  • 0° to 50° C (32° to 122° F)

Approvals & Certifications

  • EMC - BS EN 61326
  • IEC 61000-4-2, 61000-4-3, 61000-4-4, 61000-4-5

Display

  • 4-Digits Red LED (9 mm)

Electrical Connectors

  • M20
  • Output Connection: Two Part Screw Terminal
  • Solid/Stranded Wire: 20 to 28 AWG

Humidity

  • 0 to 100 % Relative Humidity
  • Transmitter: 10 to 90 % Relative Humidity, Non-Condensing

Length

  • Wire Strip Length: 6 to 7 mm

Mounting

  • Duct Mount
  • Remote Mounting
  • Wall Mounted

Operating Temperature

  • Probe: -30° to 100° C (-22° to 212° F)
  • Transmitter: -30° to 85° C (-22° to 185° F)

Output

  • 4-20 mA, 2-Wire Current Loop
  • Maximum
  • Minimum 3.9 mA (In Low Burn-Out Condition)

Power Supply

  • 10-30 Vdc
  • 15-30 Vdc with Display

Power Supply Effect

  • Loop Voltage Effect: 0.2 µA/V

Resolution

  • 0.1 % at 0.1° C / 32.18° F

RTD Type

  • Pt100

Sensor, Probe Type

  • Sensor: Humidity/Temperature

Stem Length

  • 4.33” to 197” (110 to 5,000 mm)

Storage Temperature

  • Transmitter: -50° to 90° C (-58° to 194° F)

System Requirements

  • USB Configurator
  • Windows® XP or Later

Temperature Range

  • -30° to 100° C (-22° to 212° F)

Thermal Drift

  • 1 μA/°C

Turn-On Time

  • Start Up Time: 10 seconds

Update Time

  • 3 seconds
  • Display: 800 milliseconds
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