The QX Series is a handheld device that generates and measures industrial process signals. It replaces multiple tools – signal source, multimeter, and loop calibrator – in one compact unit.

Simple Key Features

Generates & measures – DC voltage, current (4‑20mA), resistance, frequency, pulse, thermocouple, and RTD
High accuracy – 0.02% typical for critical calibration
Loop power – 24V DC output to power two‑wire transmitters
Simultaneous operation – Output one signal while measuring another
Smart modes – Step output, ramp output, and custom curve programming
Handheld – Battery powered, easy to carry on site

Just Pick Your Model

Model	What It Covers
QX‑10	Voltage + current only
QX‑20B	Adds resistance, frequency, pulse
QX‑30	Adds thermocouple + RTD
QX‑30P	All signals + custom programming

Where It's Used

Calibrating 4‑20mA transmitters (pressure, temperature, level)
Testing PLC analog input/output modules
Simulating thermocouples for temperature controllers
Troubleshooting control loops in plants and labs

Why Choose This One

Saves time – no more switching between multiple test tools
Easy to use – keypad and encoder, no computer needed
Field ready – durable case, long battery life
Cost effective – one device replaces several single‑function instruments

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