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GB-3 Flameproof Indicator

  • GB-3

  • Holi

  • CE

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The HOLI GB-3 Indicator is a heavy-duty weighing instrument designed for use in dangerous environments where fire or explosion risks are present. Made with a strong mild steel case, this flameproof indicator is built to handle tough working conditions while keeping your operations safe.

This indicator meets Accuracy Class III standards, offering trusted precision for weighing tasks in industrial settings. It pairs well with many scale parts and systems, making it a flexible solution for a wide range of weighing needs.

With clear red LED digits and user-friendly push buttons, the GB-3 makes weighing easy, even in low-light or hazardous areas. It's built to deliver reliable performance while protecting both people and equipment.


Key Features:

  • Durable flameproof indicator for use in explosive zones

  • Sturdy mild steel case for strength and protection

  • Certified Accuracy Class III for precise measurements

  • Compatible with many weighing instruments and scale parts

  • Bright LED display with easy-to-use controls


The HOLI GB-3 Indicator is your dependable choice for weighing in hazardous areas, offering both safety and accuracy with every use.

Standard Function:

  • Mild steel case.

  • 3 analog output modes selected.

  • Function of alarm for upper and lower limit.

  • Time and date function.

  • Peak value holding function.

  • Tare weighing function.

  • Highly interference resistant.

  • Standard Power Supply: Power Cord.

Technical parameter:

Explosion-proof class

Ex db[ia II C Ga] IIB T6 Gb/ Ex tb IIIC T80℃ Db

Accuracy Class

Input signal scope

-19mv/V~+19mv/V

No.of Load cell

1-8pcs Load cells, 350Ω

Load cell power suppl

DC 5V 350mA

Division value

1/2/5/10/20/50/100 optional
Display7 digits with 0.5″ (LED)                        
Communication PortRS232/ RS485/ 4-20ma simulator signal
Power supply

AC 187~242V, 50/60Hz 1A

Working temperature0°C~40°C
Storage temperature-20°C~50°C
Relative humidity≤ 90%RH





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                      (+44)78516 88888

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