UK alphasense PID gas sensor/TVOC sensor (wide range) PID-A1
UK alphasense PID gas sensor/TVOC sensor (wide range)
UK alphasense PID gas sensor/TVOC sensor (wide range)
UK alphasense PID gas sensor/TVOC sensor (wide range)

UK alphasense PID gas sensor/TVOC sensor (wide range) - PID-A1

Wide measurement range of 0~6000 ppm VOC gases
Linear analog voltage output
Easy signal processing

Product model: PID-A1

Product introduction

1. Introduction to PID sensor/TVOC sensor PID-A1:

The PID gas sensor PID-A1 is a wide-rangePID sensor, a dedicated gas sensor for VOC detection, capable of detecting up to 6000 ppm of VOC gases. It features a 4-series size, making it highly suitable for industrial applications such as chemical and petroleum industries.


2. Main features of PID sensor/TVOC sensor PID-A1:
1. A-series standard size with miniature focusing light source.
2. Linear range: 300 ppm
3. Operating environment: -40~55°C, relative humidity 0-95%
4. Supply voltage: 3.2-3.6V (regulator not used); 3.2-10.0V (regulator used)
5. Output voltage: zero point (>50 mV) to Vmax (supply voltage -0.1V @ regulator used)
6. Power consumption: 90mW (3.3V supply)
7. Overload: 6000 ppm (reference isobutylene)
8. Response time less than 3 seconds under free diffusion
9. Service life greater than 5 years (excluding UV lamp and grid)
10. A-series standard size pins


3. Applications of PID sensor/TVOC sensor PID-A1

Highly suitable for industrial applications such as chemical and petroleum industries


4. Performance of PID sensor/TVOC sensor PID-A1

Target gas VOC gases with ionization constant <10.6eV
Detection value (PPB isobutylene) <50
Linear range (PPM isobutylene) (5% deviation) 300
Range (PPM isobutylene) 6000
Sensitivity (linear range) (mV/ppm isobutylene) >0.3
Stabilization time (minutes 100ppb) 20
Warm-up time (seconds) full-scale operation time 5
Bias voltage (mV) 50~59
Response time (seconds) free diffusion <3


5. Electrical characteristics of PID sensor/TVOC sensor PID-A1

Power consumption 85mW (typical) at 3.2V, transient power 350mW for 200mS on
90mW at 3.3V, transient power 460mW for 200mS on
Supply 3.2~3.6 with ±0.01V (board disabled) 3.6~10 with (board enabled)
(10V for IS certification, 18V for non-IS certification)
Output signal Vmax=Vsupply-0.1V
Expected life 5 years (excluding bulb and electrode cap)


6. Operating environment of PID sensor/TVOC sensor PID-A1

Temperature range -40°C to +55°C (intrinsically safe); -40°C to +65°C (non-intrinsically safe)
Temperature dependence 0°C to 40°C, 90%~100% at 20°C; -20°C 140% at 20°C
Humidity range Non-condensing 0~95% RH
Humidity sensitivity 0~75% RH transient near zero