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Altek 334A / 4353E Loop Calibrator

The Altek 334A is your go-to tool for checking, calibrating, and measuring all current signal instruments within a 4 to 20 mA DC loop. It sources and reads from 0.00 to 24.00 mA, simulates a two-wire transmitter, and can power and measure two-wire transmitters simultaneously.

  • Comprehensive 4 to 20 mA Loop Functions
  • Quik-Chek Switch
  • Full Range 10 Microamp Resolution:
  • Long Battery Life
  • Robust Drive Capability

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SKU: 334A / 4353E Categories: ,

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Product Overview: Altek 334A / 4353E Loop Calibrator

Its versatile design allows it to be used at any point in your loop, displaying milliamps or percent of 4 to 20 with a simple toggle.

  • Comprehensive 4 to 20 mA Loop Functions: Source 0.00 to 24.00 mA, simulate two-wire transmitters, and measure -99.99 to 99.99 VDC power.
  • Quik-Chek Switch: Rapidly check 4.00, 20.00, and a third customizable point with an accuracy of ±0.006 mA.
  • Full Range 10 Microamp Resolution: Adjust the 4-digit display to ±0.05% without range change.
  • Long Battery Life: Powered by three 9V alkaline batteries, it can source 20 mA for over 20 hours and simulate/read for 150 hours.
  • Robust Drive Capability: Handles up to 1200 Ohms with current-limited, fuseless protection up to 135 V AC/DC.

Ideal for fieldwork or bench testing, the Altek 334A ensures precise measurement and calibration, making it an essential tool for maintaining your instrumentation’s accuracy and reliability.

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JM Test Rental options can help you save capital, get the latest technology, and expand your capabilities. Daily, Weekly and Monthly rates are available on select items.