• Altek 334A Process Loop Calibrator*DIHENTIKAN LIHAT PIECAL 334*

Altek 334A Process Loop Calibrator*DIHENTIKAN LIHAT PIECAL 334*

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DIHENTIKAN LIHAT PIE 334 The Altek 334A will check, calibrate and measure all your current signal instruments in a 4 to 20 milliamp DC loop. Use at every point in your loop. Source & Read 0.00 to 24.00 mA, Simulate a 2-wire transmitter or use the Model 334A to simultaneously power & measure your 2-wire transmitters. Toggle the display to show milliamps or percent of 4 to 20.

Calibrate recorders, digital indicators, stroke valves or any other instruments that get their input from a 4 to 20 mA loop. Easily set any value to within 0.01 mA with the speed sensitive digital potentiometer.

The "Quik-Chek" switch provides rapid checking of 4.00, 20.00 and a third point between 0.00 to 24.00 mA.

Check loop wiring and receivers by using the Model 334A in place of a 2-wire transmitter. Simulate a changing process input to check loop response and control settings. The Model 334A uses any loop power from 3 to 45V DC.

Check controller outputs or measure the milliamp signal anywhere in the loop. The Model 334A measures 0.00 to 24.00 mA signals with much greater accuracy than a typical multimeter. Toggle the display to show milliamps or percent of 4 to 20.

Simultaneously measure the output of a 2-wire transmitter while using the internal batteries to supply up to 27V DC to power the transmitter. Handy for checking transmitters in the field or on the bench.

Measure from -99.99 to 99.99 VDC with 10mV resolution. Use it to check loop power supplies, I/V converters, 1 to 5 Volt signals and battery voltages.


  • All 4 to 20 mA Loop Functions
    • Source 0.00 to 24.00 mA or -25.0 to 125.0% read mA or percent to 52.00 mA, simulate 2-wire transmitters,
      measure -99.99 to 99.99 volts DC power & read 2-wire transmitters.
  • Quik-Chek Switch
    • Select 4 or 20 mA output or 2-wire simulation. Accurate to ±0.006 mA.
  • Full Range 10 Microamp Resolution
    • Adjust 4 digit display to ±0.05% without range change.
  • Long Battery Life
    • 3x9 volt alkaline batteries source 20 mA for over 20 hours, 12 mA for over 33 hours; 2-wire simulate and
      read for 150 hours. Much longer than NiCd batteries or calibrators with a single 9 V battery!
  • Drive Capability
    • 1200 Ohms with current limited, fuseless protection to 135 V AC/DC

What's In The Box:

  • (1) Nylon Carrying Case w/ Shoulder Strap and Belt Loop
  • (1) Instruction Manual


Instruction manual

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