DS4-PH3-2000 Intelligent Electrochemical Phosphine Gas Sensor For Environmental

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Payment Terms	L/C, D/A, D/P, T/T, ,
Supply Ability	5000pcs
Delivery Time	5-8 work days
Packaging Details	Standard packaging
Detection Range	0–10 ppm
Resolution	≤ 0.05 ppm
Operating Temperature	-10°C to 50°C
Power Supply	3.3V or 5V DC
Brand Name	EC
Model Number	DS4-PH3-2000
Place of Origin	Germany

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Product Specification


Payment Terms	L/C, D/A, D/P, T/T, ,	Supply Ability	5000pcs
Delivery Time	5-8 work days	Packaging Details	Standard packaging
Detection Range	0–10 ppm	Resolution	≤ 0.05 ppm
Operating Temperature	-10°C to 50°C	Power Supply	3.3V or 5V DC
Brand Name	EC	Model Number	DS4-PH3-2000
Place of Origin	Germany
High Light	Environmental Protection Phosphine Gas Sensor ，DS4-PH3-2000 Phosphine Gas Sensor ，Intelligent Phosphine Gas Sensor

DS4-PH3-2000 Intelligent Electrochemical Phosphine Gas Sensor

1. Product Overview:

The DS4-PH3 is a high-performance gas sensor specifically designed to detect phosphine (PH₃) gas concentrations. Utilizing advanced electrochemical sensing technology, it delivers high sensitivity, rapid response, and excellent selectivity, making it ideal for grain storage, agricultural greenhouses, and industrial gas monitoring applications. It enables precise detection of low-concentration phosphine gas to ensure environmental and operational safety.

2. Key Features:

Target Gas: Phosphine (PH₃), optimized for agricultural fumigation and industrial gas leak detection.
Detection Principle: Electrochemical sensing. Phosphine undergoes redox reactions on the sensor’s electrode surface, generating a current signal proportional to its concentration—combining high accuracy with anti-interference capabilities.
Measurement Range: 0–10 ppm (standard); customizable up to 0–50 ppm or higher (specify model).
Sensitivity: Detects phosphine concentrations as low as 0.05 ppm (exact value subject to factory testing).
Response Time (T90): ≤ 45 seconds (time from gas exposure to stable output).
Recovery Time: ≤ 90 seconds (time to return to baseline after gas removal).
Operating Temperature: -10°C to 50°C (high temperatures may affect sensitivity; standard range recommended).
Operating Humidity: 10% to 90% RH (non-condensing); high humidity requires moisture protection.
Output Signal: Supports analog voltage (0.1–3V) or digital communication (UART/I²C), compatible with PLCs, microcontrollers, and data loggers.
Power Supply: 3.3V DC or 5V DC (typical power consumption ≤ 50mW, low-power design).
Lifespan: 2–3 years (actual lifespan affected by gas exposure; regular calibration/replacement required).
Protection Rating: IP54 (dust/water resistance, standard) or IP65 (custom explosion-proof, for harsh environments).

3. Working Principle:

The DS4-PH3 employs a three-electrode electrochemical cell, comprising:

Working Electrode (WE): Phosphine diffuses through a permeable membrane and undergoes oxidation, releasing electrons to generate a current.
Counter Electrode (CE): Completes the redox reaction to maintain circuit balance.
Reference Electrode (RE): Provides a stable potential reference for consistent signals.

The current magnitude is directly proportional to the phosphine concentration, enabling precise quantification.

Detection Range	0–10 ppm (customizable)	Adjustable range (e.g., 0–50 ppm) based on requirements.
Resolution	≤ 0.05 ppm	Minimum detectable concentration change; reflects sensor precision.
Operating Temperature	-10°C to 50°C	Performance may degrade outside this range.
Operating Humidity	10% to 90% RH (non-condensing)	High humidity requires anti-condensation measures.
Output Signal	0.1–3V (analog) or UART/I²C (digital)	Analog: direct ADC input; Digital: protocol customizable (e.g., 9600bps baud rate).
Power Supply	3.3V or 5V DC	Compatible with most embedded systems (e.g., Arduino, Raspberry Pi, industrial controllers).

Company Details

Bronze Gleitlager

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Business Type:

Manufacturer,Trading Company 
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Year Established:

2006 
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Total Annual:

900000-1000000
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Employee Number:

50~80 
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Ecer Certification：

Verified Supplier 

Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...

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https://www.oxygengassensors.com/

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