MS7221 MASTECH Voltage/mA Calibrator in Pakistan

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The MS7221 MASTECH Voltage/mA Calibrator is a high-precision process calibration instrument designed for accurate measurement and simulation of DC voltage and current signals. It can both source and measure signals, making it ideal for calibrating industrial instruments such as transmitters, PLCs, and process control systems.

This calibrator supports DC voltage up to 10V and current loops up to 24mA, along with a built-in 24V loop power supply for transmitter testing. With high accuracy, fine resolution, and stable performance, the MS7221 is widely used by engineers, technicians, and maintenance professionals across Pakistan.

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Key Features

Measures and sources DC voltage and current signals.
DC voltage range up to 10V with high precision.
DC current loop measurement and output up to 24mA.
Built-in 24V loop power supply for transmitter testing.
High accuracy up to ±0.02% for voltage and ±0.015% for current.
5-digit (approx. 88888 count) digital display for clear readings.
Fine resolution down to 0.001mA and 0.001V.
Auto power off and low battery indication.
Compact and portable handheld design.
Suitable for field and laboratory calibration tasks.

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Technical Specifications

Electrical Measurement & Output Ranges

DC Voltage (Input/Output): 0 ~ 100mV / 0 ~ 10V
DC Current (Input/Output): 0 ~ 24mA
Loop Power Output: 24V DC

Accuracy & Resolution

Voltage Accuracy: ±(0.02% + 2 digits)
Current Accuracy: ±(0.015% + 4 digits)
Voltage Resolution: 0.01mV / 0.001V
Current Resolution: 0.001mA

General Specifications

Display: 5-digit digital display (approx. 88888 counts)
Power Supply: 9V battery
Operating Temperature: -10°C to 55°C
Dimensions: 190 × 89 × 42 mm
Weight: Approx. 350g

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Applications

Calibration of industrial transmitters and sensors.
PLC signal testing and troubleshooting.
Process control system maintenance.
Laboratory calibration and testing.
Electrical and instrumentation engineering tasks.
Field service and industrial diagnostics.

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Package Includes

MASTECH MS7221 Voltage/mA Calibrator
Test leads
Carrying case
Battery
User manual