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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Absolute Process Instruments (API)

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APD-4300sm

API DIN Transmitters, Isolators & Alarms

 (30)
  • Wide Choice of Inputs: Volts AC/DC, Amps AC/DC, Process V/mA, Strain, Frequency, RTD, Potentiometer
  • Variable Brightness I/O Status LEDs
  • 1200V Isolation
  • Output Test Button
  • Lifetime Warranty


api1080g

API Plug-In Alarms

 (72)
  • Easy-to-install Plug-in Modules
  • Wide Choice of Inputs: Volts AC/DC, Amps AC/DC, Process V/mA, Frequency, Thermocouple, RTD
  • One DPDT Relay or Two SPDT Relays
  • Field Adjustable Alarm Setpoint(s)
  • Lifetime Warranty


API-6010g

API Plug-In Transmitters & Isolators

 (62)
  • Easy-to-install Plug-in Modules
  • Wide Choice of Inputs: Volts AC/DC, Amps AC/DC, Process V/mA, Strain, Thermocouple, RTD, Potentiometer
  • Variable Brightness I/O Status LEDs
  • 2000V Isolation (1200V on LPT-1,-2)
  • Lifetime Warranty


API Frequency to DC Transmitters

API Frequency to DC Transmitters

 (42)
  • 0-1mA, 4-20mA, 0-1V or ±10V Output
  • 2000V Isolation
  • Simple field setup (7580)
  • Input & Output Status LEDs
  • Functional Test Button
  • Lifetime Warranty
These API transmitters accept a frequency input and provide an optically isolated DC voltage or current output that is linearly proportional to the input.

Full three-way isolation makes these modules useful for ground loop elimination, common mode signal rejection and noise pickup reduction. The input and output ranges on the 7580 are field configured via switches - no software required. Ranges on the 7010 are factory set and must be specified when ordered. The internal loop supply can be used to power external ...


Search API Frequency to DC Transmitters - 42 Items