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Product Details

From the most remote corners of the Earth comes the fuel that makes modern life possible.

PID VOC Gas Detector

AN-VOC-D
Fixed VOC gas detector with semiconductor sensing, 0-1000 ppm measuring range, audible and visual alarm, and optional 4-20 mA / RS485 output for industrial gas safety monitoring.
Gas
VOC gases in air
Range
0-2000 ppm, 1 ppm resolution
Output
3-wire / 4-wire / relay output; 4-20 mA or RS485 optional
IP
IP65
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Product Overview

This VOC gas detector is designed for fixed monitoring of volatile organic compounds in air. It uses semiconductor sensing and advanced microprocessor technology to provide stable operation, strong anti-interference performance, fast response, and reliable alarm output. The detector supports adjustable high and low alarm values, 4-20 mA or RS485 signal output, audible and visual alarm indication, and wall or pipe mounting for industrial gas safety applications.

Key Features

Semiconductor sensing for VOC gas detection in air.
Advanced microprocessor control for stable operation and strong anti-interference performance.
Supports 4-20 mA analog output, optional RS485 communication, and relay alarm output.
Adjustable high and low alarm values with audible and visual alarm indication.

Technical Specifications

Gas Detection
Detected Gas
VOC gases in air
Gas Type
VOC / Special Gas
Measuring Range
0-2000 ppm, 1 ppm resolution
Detection Principle
Semiconductor, diffusion type
Response Time
<15 s
Accuracy
<±5% F.S.
Signal Output & Power
Signal Output
3-wire / 4-wire / relay output; 4-20 mA or RS485 optional
Power Supply
10-30 VDC
Alarm Output
Audible and visual alarm, 2 channel 24 V / 2 A
Communication
Up to 2,000 m transmission distance when used with the company’s controller
Compatible Controller
Compatible with the company’s gas alarm controller
Display Method
Digital tube display
Alarm Setting
Adjustable high and low alarm values
Power Consumption
<2.5 W instantaneous peak
Installation & Environment
Installation Method
Wall mounting or pipe mounting
Protection Rating
IP65
Explosion-proof Rating
Ex d IIC T6
Working Temperature
-20°C to 50°C
Working Humidity
≤90% RH
Thread Size
G1/2

Ordering & Support FAQ

How do I choose the right gas detector model?

Please provide the target gas, measuring range, output signal, installation environment, and whether a controller is required. We will recommend a suitable configuration.

Can this detector connect to a gas alarm controller?

Yes. It can be used with a compatible gas alarm controller for centralized monitoring, alarm output, and signal transmission.

What output signals are available?

The detector can support common industrial signal outputs such as 4-20 mA, RS485, or relay output depending on the product configuration.

Can the alarm value be adjusted?

Yes. High and low alarm values can be adjusted according to the monitoring requirements of the application.

Can I request documents before ordering?

Yes. Datasheets, user manuals, wiring diagrams, and available certification documents can be provided upon request.