• MASTECH MS7221 V/mA calibrator handheld 0-10V 0-24mA signal source front view
  • MS7221 voltage current calibrator with input output buttons and mA V COM LOOP terminals
  • MS7221 V/mA calibrator kit with carrying case test leads and user manual
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FMF

MASTECH MS7221 V/mA Calibrator 0-10V 0-24mA Signal Source for Output Testing

$302.26 USD
$0.00 USD $302.26 USD
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Handheld V/mA Calibrator for Signal Output Testing

The MASTECH MS7221 is a handheld voltage and current calibrator for Volt/mA signal output testing. It is used when a technician needs a compact signal source for checking 0-10V voltage signals and 0-24mA current signals during instrument, transmitter, controller, and panel troubleshooting work.

The front panel includes input/output mode selection, separate adjustment keys, and labeled terminals for mA, V, COM, and LOOP connections. The display supports mV, mA, and mA percentage readout, helping users set and monitor common analog signal values during bench or field checks.

Key Features

  • MASTECH MS7221 handheld Volt/mA calibrator.
  • Supports 0-10V voltage signal output range.
  • Supports 0-24mA current signal output range.
  • Input/output mode button for switching the working direction.
  • Labeled mA, V, COM, and LOOP terminals for signal connection.
  • Display readout for mV, mA, and mA percentage values.
  • Portable case format for instrument maintenance, electrical testing, and control-panel service work.

Specifications

Model MS7221
Instrument brand MASTECH
Instrument type V/mA voltage and current calibrator
Voltage output range 0-10V
Current output range 0-24mA
Display units mV, mA, mA%
Connection terminals mA, V, COM, LOOP
SKU FMF-MS7221-65881
Shipping weight 0.7 kg

Typical Uses

  • Simulating analog voltage or current signals for control instruments.
  • Checking signal input and output behavior during panel maintenance.
  • Testing Volt/mA signal paths on compatible transmitters, controllers, meters, and PLC-related equipment.
  • Bench testing before installing or replacing process-control components.

Package Contents

  • 1 x MS7221 V/mA calibrator
  • 1 x carrying case
  • 1 x set of test leads
  • 1 x user manual

Selection Notes

  • Confirm that your required signal range is within 0-10V or 0-24mA before ordering.
  • Check your wiring method and terminal connection requirements before connecting the calibrator to field instruments.
  • For brand-specific compatibility or special wiring requirements, contact us before ordering.

FAQ

What is the MS7221 used for?

It is used for Volt/mA signal output testing, signal simulation, and analog instrument troubleshooting.

Does it support 4-20mA signal work?

Yes. The listed current range is 0-24mA, so it covers common 4-20mA signal checks when the connected instrument and wiring setup are compatible.

What voltage range does it cover?

The listed voltage output range is 0-10V.

What comes in the package?

The package includes the MS7221 calibrator, carrying case, test leads, and user manual.

What should I confirm before buying?

Confirm the signal range, terminal connection method, and compatibility with the instrument or controller you plan to test.

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