Major Tech Digital Process Loop Calibrator – MT993

Measure, source, and calibrate industrial 4-20mA process loops with the Major Tech Digital Process Loop Calibrator (MT993). Engineered for automation technicians, process control engineers, and plant maintenance specialists, this high-precision calibrator handles active/passive current, voltage, and PWM frequency signals. Featuring a high-definition 240*320 TFT color display, real-time signal curve plotting, and a built-in 3000mAh rechargeable lithium battery, it delivers reliable loop troubleshooting and transmitter validation.

Key Features:

• Active & Passive Current Sourcing: Generates active and passive current outputs from 0–24mA (maximum load 750Ω) along with XMT passive current signal support.

• Voltage Output & 24V Loop Power: Sources voltage from 0–24V (max 30mA) and supplies a dedicated 24V loop power output with 24mA drive current.

• Precise Input Measurement: Measures current inputs from 0–24mA and voltage inputs from 0–30V (with external power supply support up to 30V).

• Real-Time Signal Trend Curve: Plots input and output signal variations in real time on screen with customizable sampling times and automated curve auto-scaling.

• PWM Frequency Generation: Outputs Pulse Width Modulation (PWM) frequency signals ranging from 0 to 9999Hz.

• High-Definition TFT Screen: 240*320 TFT color LCD display provides optimal signal readability across various working environments.

• Rechargeable Battery Power: Integrated 3000mAh lithium rechargeable battery provides up to 26 hours of standby time and 8–10 hours of continuous 20mA signal sourcing.

Detailed Description:

The Major Tech MT993 streamlines process control loop verification by offering direct signal simulation and precision measurement in a handheld package. Its real-time curve plotting function provides immediate visual insights into signal trends, helping technicians identify loop drift and response anomalies.

Equipped with 24V loop power sourcing and broad voltage/current input capabilities, the MT993 is ideal for testing 2-wire transmitters, commissioning PLC I/O channels, calibrating control valves, and verifying industrial process indicators.

Technical Specifications

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