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PH3 Gas Detector - Product Brief
Core Description:
The PH3 Gas Detector is an industrial-grade monitor designed for phosphine (PH₃) detection in hazardous environments. Featuring an electrochemical sensor with 0-20 ppm range, it delivers ±3% accuracy and rapid <30s response to protect workers in fumigation and chemical processing applications.

Key Features:
✔ Precision Detection

0.01 ppm resolution

Adjustable dual alarms (visual/audible)

Automatic self-calibration

✔ Rugged Design

ATEX/IECEx certified (Zone 1)

IP66 aluminum housing

-20°C to +50°C operation

✔ Smart Connectivity

4-20mA + RS-485 outputs

Optional LoRaWAN wireless

SIL 2 functional safety

Typical Applications:
• Grain storage fumigation
• Semiconductor manufacturing
• Chemical plant safety
• Pest control facilities

Certifications:
ATEX, IECEx, CE, RoHS

Model Options:

PH3-GD-W: Wireless version

PH3-GD-M: Multi-gas configurable

Technical Edge:
→ 2-year sensor lifespan
→ 95dB horn + LED strobe alarms
→ Plug-and-play sensor replacement

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TEL:400-887-3214
Mail:jilineasyyi@outlook.com
Q Q:615739355
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PH3 Gas Detector - Technical Specifications
1. General Information
Model Number: PH3-GD

Product Type: Phosphine (PH₃) Gas Detector

Detection Principle: Electrochemical Sensor

Design Purpose: Continuous monitoring in industrial and agricultural environments

2. Detection Performance
Measuring Range: 0-20 ppm (0-50/100 ppm optional)

Resolution: 0.01 ppm

Accuracy: ±3% FS

Response Time (T90): <30 seconds

Alarm Thresholds: Adjustable (Default: 0.3 ppm / 1.0 ppm)

3. Electrical & Connectivity
Power Supply: 24V DC (10-30V range)

Output Signals:

4-20mA analog

RS-485 Modbus RTU

Relay outputs (2x SPDT)

Display: Backlit LCD (ppm + alarm status)

4. Mechanical & Environmental
Housing Material: Flameproof aluminum

Protection Rating: IP66

Operating Temperature: -20°C to +50°C

Humidity Range: 10-95% RH (non-condensing)

5. Sensor & Calibration
Sensor Life: 2 years typical

Calibration: Automatic zero/span, manual bump test

Warm-up Time: <2 minutes

6. Safety & Compliance
Certifications:

ATEX/IECEx (Zone 1)

SIL 2 (IEC 61508)

CE, RoHS

Audible Alarm: 95 dB @ 1m

Visual Alarm: RGB LED strobe

7. Application Scenarios
✔ Grain storage fumigation
✔ Semiconductor manufacturing
✔ Chemical processing plants
✔ Pest control facilities

8. Optional Features
Wireless (LoRaWAN) version

Data logging (SD card)

Multi-gas configuration