Product Category


Indicator Meter AD16-22TM &AD16-22TMS

  • Ambient temperature: -25℃~+55℃
  • AVibration frequency: 2-80Hz
  • Pollution degree: 3
  • Installation group: III
  • Insulation resistance:≥22MΩ
  • Protection degree:IP65,IP67
  • Self-monitoring and test functions.
  • Applying frequency: AC 50~60Hz

Meter indicator AD-22 type, with a handle size of 22 mm, for displaying the value of current, voltage, temperature or other signals. These indicators display the measured value digitally on the screen and are often equipped with different colored lights to indicate certain status or warning messages.

Digital Display: The indicator meters utilizes digital display technology to present measurement values in numeric form on the screen, ensuring precise and intuitive readings.

Meter indicator Functionality: In addition to digital display, the product is equipped with meter indicator in different colors to represent specific states or warning messages, allowing operators to quickly grasp the operating status of equipment or systems.

Multi-functionality: The digital meter  indicator typically supports multiple signal types, such as current, voltage, temperature, frequency, etc., making it suitable for various monitoring requirements in different application scenarios.

High Accuracy: The product offers high measurement accuracy, providing precise measurement data to ensure equipment stability and safety.

Lightweight and Compact: With a 22mm handle size, the product is easy to install and suitable for space-constrained instrument panels, control panels, and electrical devices.


The 22mm digital  meter indicaator finds wide applications in various industrial and commercial sectors, including but not limited to the following scenarios:

  • Automation Control Systems: Used to display data from various sensors, such as flow rate, pressure, temperature, etc.
  • Electrical Equipment: Monitors electrical parameters like current, voltage, power, etc., to ensure proper operation of equipment.
  • Environmental Monitoring: Displays environmental parameters such as temperature, humidity, air pressure, etc., to achieve environmental monitoring and control.
  • Instrumentation: Used as a display panel for precision measuring instruments to ensure accurate measurements and data presentation.
  • Production Processes: Monitors critical parameters during production processes to ensure stability and optimization.


  • Easy to install and use, providing clear and intuitive data display.
  • Versatile to meet various measurement requirements.
  • High accuracy and stability for precise measurement results.
  • Equipped with meter indicator functionality for additional status display and warning capabilities.

As part of HEYI Electric, this product embodies the company’s extensive expertise and manufacturing experience in the electrical field, delivering high-quality electrical instrument solutions to users.

Working Condition
Ambient temperature -25℃~+55℃
Relative humidity ≤98%
Vibration frequency 2-80Hz
Acceleration 0.7g
Pollution degree 3
Installation group III
“TH”marked can work at damp-heat environment.
Technical Data
Power frequency withstand voltage 2.5kv/1min (effective AC value)
Insulation resistance ≥22MΩ
Allowable voltage fluctuation: ±20%
Continuous operating life ≥30000H
Brigtnss ≥100cd/m²
CTI ≥600
Protection degree IP65,IP67
Applying frequency AC 50~60Hz


Indicator Meter AD16-22TM &AD16-22TMS-heyi
Indicator Meter AD16-22TM &AD16-22TMS-heyi
Indicator Meter AD16-22TM &AD16-22TMS-heyi
Indicator Meter AD16-22TM &AD16-22TMS-heyi
Indicator Meter AD16-22TM &AD16-22TMS-heyi

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