YJJ 4R-PID-10.6ev Photoionization (PID) Sensor for Environmental Monitoring

Product Description:

YJJ 4R-PID-10.6ev Photoionization (PID) Sensor for Environmental Monitoring

Features:

I. Model Meaning

4R: 4-pin package PID sensor series

PID: Photoionization detection principle

10.6 eV: Ultraviolet photon energy (the most common VOC detection lamp, covering the vast majority of organic solvents, hydrocarbons, benzene series, TVOC; does not detect methane, ethane)

II. Core Technical Parameters (Full Version)

1. Detection Foundation

Detection Principle: Ultraviolet Light Ionization (PID)

Excitation Lamp Energy: 10.6 eV

Gas that can be detected: All volatile organic compounds with an ionization energy of less than 10.6 eV (TVOC)

Benzene,Xylene, Ethanol, Methanol, Gasoline, Diesel, Alkanes (C4 and above), Esters, Ethers, Amines, Oil and Gas, Solvent Vapors; Not detectable: Methane, Ethane, Propane, Hydrogen, CO, H₂S

Optional Measurement Range (ppm): 0~10 / 0~40 / 0~100 / 0~2000 / 0~6000 / 0~10000 ppm

2. Accuracy and Response

Resolution: Highest in low range up to 1 ppb; 0~100 ppm: 25 ppb; 0~2000 ppm: 500 ppb

Sensitivity: > 40 mV/ppm (low range), decreases with increasing range

Response Time T90: ≤ 5s (extremely fast)

Measurement Accuracy: ≤ ± 2% FS (calibration point)

Repeatability: < 2% 

Linearity: Excellent, full range linear output

3. Electrical Parameters

Power Supply Voltage: DC 3.2~5.5 V (commonly 5V)

Operating Current: Typical 30mA 

Zero Point Voltage: > 20 mV

Analog Output: 0.02 ~ 2.0 V (maximum 3.3V), linearly proportional to concentration

Pin Definition (3 Pins)

1 Pin: VCC Power Positive

2 Pin: VOUT Analog Signal Output

3 Pin: GND Power Ground

4 Pin: 4R-PID Sensor Series Standard 4-pin Package, directly replaceable with the same specification . 4R-PID, suitable for portable/fixed instruments

Temperature and Humidity Adaptability: Strong, zero drift small, suitable for industrial continuous online monitoring

No poisoning, no catalytic consumption, better than electrochemical and catalytic combustion in terms of lifespan

III. Product Features

Ultra-high sensitivity, wide measurement range from ppb to ppm, precise detection of low concentration VOCs

Extremely fast response (≤ 5s), no consumption, non-combustion gas, non-destructive detection

10.6 eV lamp covers the widest spectrum for industrial most organic solvents, oil and gas, TVOC

Standard 4-pin package, direct replacement with the same specification . 4R-PID, suitable for portable/fixed instruments

Strong adaptability to temperature and humidity, small zero drift, suitable for industrial continuous online monitoring

No poisoning, no catalytic consumption, better lifespan than electrochemical and catalytic combustion

IV. Main Application Fields

Environmental Monitoring: TVOC, formaldehyde, benzene series, atmospheric volatile organic compounds, factory boundary exhaust gas

Petrochemical Industry: Oil leakage, tank evaporation, organic solvents, chemical workshop toxic and flammable vapor detection

Industrial Safety: Restricted space, painting, printing, spraying, pharmaceutical, packaging workshop VOC explosion warning

Emergency Detection: Environmental emergency, leakage traceability, on-site rapid detection of hazardous chemicals

Indoor Air: Home/Office TVOC, decoration pollution, fresh air purification air quality monitoring

Instrument Accessories: Portable VOC Detector, Fixed Online Monitoring Instrument, Gas Analyzer Module

Specifications: