HOBO Flex Smart TRMS Module Sensor

A 15-bit two-channel module that accepts an input range of 5mV to 512mV and is compatible with 333mV FS output sensors. Also available with a modular plug.
Starting At $140.00
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Key Features
  • Field wiring is 2-wire via screw terminals
  • 2 input channels of AC Current and/or Voltage

Overview
The HOBO FlexSmart TRMS Module Sensor is a 15-bit two-channel module that accepts an input range of 5mV to 512mV and is compatible with 333mV FS output sensors. Field wiring is 2-wire via screw terminals.

Notes for modular plug model: If using the S‐FS‐TRMSA‐D with a U30‐GSM or RX3003-00-01, RX3004 or RX2100, the S‐FS‐TRMSA‐D should be located approximately 1 meter (3 ft) from the cellular station to avoid interference from the GSM radio. Use Smart Sensor extension cable Onset part # S‐EXT‐M002.

If using the S‐FS‐TRMSA‐D with a RX2100 or RX3004 and you are using both the TRMSA-D modules and smart sensors, then you are limited to a maximum of 2 TRMSA-D and any combination of smart sensors to reach a total of 13 data channels. For example, if there are two (2) TRMSA-D modules (4 data channels) in use with the RX3000 or RX2100 station, then this will leave nine (9) additional data channels for smart sensors.

Input Channels: Two; AC-coupled
Field Wiring: Two-wire via screw terminals on detachable connector, 16-24 AWG
Replacement detachable connectors: Part of the spares kit (A-FS-TRMSA-4P-1)
Input Range:  5 to 512 mVRMS
Minimum Input Voltage: 5mVRMS; Input voltages < 5mV will be clipped to zero (see graph below)
Maximum Input Voltage: ±1V referred to AC- terminals (pins 2 and 4)
Input Frequency: 50/60 Hz
Accuracy:  ±0.3% of reading +/- 0.5% of FSR
ADC Resolution: 15 bits
AC Waveform: <4 Crest Factor
Power Requirements: +3.3V @ 3mA active, 6A sleep

Transfer Function:

Measurement Averaging Option: Yes

Questions & Answers
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Key Features
  • Field wiring is 2-wire via screw terminals
  • 2 input channels of AC Current and/or Voltage

Overview
The HOBO FlexSmart TRMS Module Sensor is a 15-bit two-channel module that accepts an input range of 5mV to 512mV and is compatible with 333mV FS output sensors. Field wiring is 2-wire via screw terminals.

Notes for modular plug model: If using the S‐FS‐TRMSA‐D with a U30‐GSM or RX3003-00-01, RX3004 or RX2100, the S‐FS‐TRMSA‐D should be located approximately 1 meter (3 ft) from the cellular station to avoid interference from the GSM radio. Use Smart Sensor extension cable Onset part # S‐EXT‐M002.

If using the S‐FS‐TRMSA‐D with a RX2100 or RX3004 and you are using both the TRMSA-D modules and smart sensors, then you are limited to a maximum of 2 TRMSA-D and any combination of smart sensors to reach a total of 13 data channels. For example, if there are two (2) TRMSA-D modules (4 data channels) in use with the RX3000 or RX2100 station, then this will leave nine (9) additional data channels for smart sensors.

Input Channels: Two; AC-coupled
Field Wiring: Two-wire via screw terminals on detachable connector, 16-24 AWG
Replacement detachable connectors: Part of the spares kit (A-FS-TRMSA-4P-1)
Input Range:  5 to 512 mVRMS
Minimum Input Voltage: 5mVRMS; Input voltages < 5mV will be clipped to zero (see graph below)
Maximum Input Voltage: ±1V referred to AC- terminals (pins 2 and 4)
Input Frequency: 50/60 Hz
Accuracy:  ±0.3% of reading +/- 0.5% of FSR
ADC Resolution: 15 bits
AC Waveform: <4 Crest Factor
Power Requirements: +3.3V @ 3mA active, 6A sleep

Transfer Function:

Measurement Averaging Option: Yes

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FlexSmart TRMS Module (2 channels) Sensor
S-FS-TRMSA
Flex smart TRMS module sensor
$140.00
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$140.00
HOBO Flex Smart TRMS Module Sensor
S-FS-TRMSA-D
Flex smart TRMS module sensor, with pigtail
$150.00
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$150.00
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