Major Tech MT990 Process Current Calibrator

Measuring process signals
General purpose signal injection applications
Current loop calibrator
Load output 0 to 24mA
Calibrator drives loads to 500Ω
Adjustable to 199.9mV to 199.9mV DCV source
Powers or measures a two wire current loop
4 Functions to current source, current measurement, DC mV source, power and current measurement of two wire loop
1999 Count LCD Resolution

$148.50 inc. GST

UPC 6008229028656
SKU MT990 Category
Sparky Tools


The MT990 is a portable instrument used for calibrating process devices and measuring process signals, as well as general purpose signal injection applications. This meter has four modes to provide the quality and accuracy of a bench top calibrator; these include a precision current source up to 24mA, current measurement of current signal, DC mV source and the power and measurement of a two-wire loop.


Major Tech

Major Tech (Pty) Ltd was established in 1992, with a vision and mission of being the brand of choice, by consistently pushing the benchmark with innovative, high quality product developments, providing unparalleled service excellence and exceeding all expectations. The founder of Major Tech, comes with a vast knowledge and over 30 years of hands-on experience in the electrical industry and is the driving force behind the vision of the company. Being a values-based organisation, every decision and undertaking is underpinned by their core values.

Major Tech

Additional information

Weight 0.6 kg
Dimensions 30 × 20 × 10 mm


Function Range Resolution Accuracy
DC Current 0-24mA 0.01mA ±(0.5%FS + 1 Digit)
DC Voltage -199.9mV to 199.9mV 0.1mV ±(0.25%FS + 1 Digit)
4-20mA% Yes
Digital Display 1999 count
Data Hold Yes
Back Light Yes
Enclosure Double Moulded case
Low Battery Indication Yes
Battery 9V
Weight 232g
Dimensions 150 x 70 x 40mm
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