Process Signal Generator

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 5-8 working days
Brand: YUNYI or custom
Product Description

What It Does

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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Xi'an Yunyi Instrument Co., Ltd
Location Rm. 1203-1, Bldg. B, Xian Xinsilu International E-Commerce Industrial Park, No. 9, Gangwu Road, Int'l Port District
Contact Person Alice

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