Product Description:

YJJ GS+4NH3-300 electrochemical ammonia gas sensor is used for detecting industrial environments

Features:

GS+4NH3-300 is an industrial-grade ammonia gas sensor, mainly applicable to portable/fixed gas detectors. Here is the description of its core parameters:

Measurement range and sensitivity

Typical baseline range (pure air): 2000 ppm NH₃

Sensitivity: 40 ± 15 nA/ppm (corresponding to current output)

Response characteristics

T90 response time: < 40 seconds

Linear range: 0 - 300 ppm

Repeatability: ±10%

Environmental adaptability

Operating temperature: -40°C to +50°C

Pressure range: 800 – 1200 mbar

Humidity range: 15% - 90% RH

Electrical parameters

Recommended load resistance: 10Ω

Resolution: 1 ppm

Maximum load current: 0.3mA

Long-term stability

Long-term output drift: < 20% per year

Storage temperature: 0 - 20℃

Expected lifespan: > 24 months

Notes for Attention

Avoid exposure to high-concentration toxic solvent vapor environments. Before assembly, the PCB must undergo degreasing and cleaning.

Directly welding or bonding the sensors will result in the failure of the warranty.

Specifications:

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