Self-powered Electrical Voltage Sensors

Non-Contact Voltage Detector + Worklight -- VP50
from FLIR

FLIR VP50 Non-Contact Voltage Detector FeaturesEnhanced DetectionUses a low-profile probe tip that gets the sensor closer to electrical sources and enhanced sensitivity to help detect voltage in the latest safety outlets. Powerful WorklightsIntense (60-lumen) LED light source illuminates dimly lit... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 24 to 1000
  • Frequency: 45 to 65
AC/DC Voltage Monitor -- Model 2628
from Time Mark Corporation

The Model 2628 AC/DC Voltage Monitor is designed to continuously monitor any AC or DC voltage from 15 to 260 volts. Input voltages below the set-point cause the output contacts to de-energize. Input voltages above the set-point cause the output contacts to energize. The dead band between pull-in and... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage; DCVoltage
  • Voltage: 15 to 260
  • Response Time: 100
AC Voltage Transducer -- 101M3 Series
from American Aerospace Controls, Inc.

Bi-directional current transducers, special purpose, wide temperature, fast response, MIL Grade, split yoke, high current, low cost [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 90 to 150
  • Frequency: 57 to 63
AC/DC Voltage Monitor -- Model 2629
from Time Mark Corporation

The Model 2629 AC/DC Voltage Monitor is designed to continuously monitor any AC or DC voltage from 15 to 260 volts. Input voltages below the set-point cause the output contacts to de-energize. Input voltages above the set-point cause the output contacts to energize. The dead band between pull-in and... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage; DCVoltage
  • Voltage: 15 to 260
  • Response Time: 100
Frequency Monitor -- Model A292
from Time Mark Corporation

The Model 292 Frequency Monitor is designed to monitor power line frequency. It is intended for systems where line frequency variations will cause improper operation of electrical equipment. A solid-state sensing circuit drives an internal electromechanical relay which is energized when the line... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 20 to 30
  • Frequency: 45 to 1023
Over and Under Voltage Monitor -- Model 268
from Time Mark Corporation

The Model 268 Over & Under Voltage Monitor is designed to ensure that the monitored operating voltage remains within a 120 VAC band. This device uses a dual op-amp comparator circuit to achieve stable and repeatable trip set-points. The output relay is energized only when the voltage being monitored... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 90 to 140
  • Frequency: 45 to 420
Voltage Sensor -- Model 160B120
from Time Mark Corporation

The Model 160B(R) Voltage Sensor is a single set-point voltage sensor. Input voltages above the set-point cause the output contacts to energize. Input voltages below the set-point cause the output contacts to de-energize. The dead band between pull-in and drop-out is less than 1%. Wiring connections... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 80 to 130
  • Frequency: 50 to 400
Voltage Sensor -- Model 2602
from Time Mark Corporation

The Model 2602 Voltage Sensor is a rapid response device for sensing a low voltage condition on 120 VAC, 60 Hz, single phase power systems. Operating power is drawn from the same line being monitored. Upon sensing a voltage below 80 VAC, the internal relay, which is energized under normal operating... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 80 to 120
  • Frequency: 60
Voltage Sensor -- Model AC260B-80-130
from Time Mark Corporation

The Model 260 Voltage Sensor is a single set-point voltage sensor. Input voltages above the set-point cause the output contacts to energize (contacts 1 & 8 closed). Input voltages below the set-point cause the output contacts to de-energize (contacts 1 & 2 closed). The dead band between pull-in and... [See More]

  • Power Requirements: Self-powered
  • Voltage Type: ACVoltage
  • Voltage: 80 to 130
  • Frequency: 50 to 400