PID-A1 Photo Ionisation Detector Gas Sensor, Brand Name : Alphasense

Performance
target gases
minimum resolution
linear range 300 ppm isobutylene 5% deviation
overrange 6000 ppm isobutylene
sensitivity > 0.3 linear range mvppm isobutylene, see table 1 for options
full stabilisation time 20 minutes to 100 ppb
warm up time 5 seconds time to full operation
offset voltage 50 to 59 mv
response time (t90)
electrical
power consumption 85 mw (max) at 3.2 v, 350 mw transient for 200 msec on switch-on
90 mw at 3.3 v, 460 mw transient for 200 msec on switch-on
supply voltage 3.2 to 3.6 vdc ideally regulated ±0.01v (onboard regulator disabled)
3.6 to 10 vdc (onboard regulator enabled)
output signal offset voltage (minimum 50 mv) to vmax
environmental
temperature range -40℃ to +55℃(intrinsically safe); -40℃ to +65℃(non-is)
temperature dependence 0℃ to 40℃ 90% to 100% of signal at 20℃
-20℃ 140% of signal at 20°℃
relative humidity range non-condensing 0 to 95%
humidity sensitivity during operations: 0% to 75% rh transient near zero
key specifications
operating life 5 years
is approval iecex ex ia iic t4;atex ex ia ii 1g -40℃
onboard filter to remove liquids and particulates
lamp user replaceable
electrode stack user replaceable
error state signal lamp out: 32 ±4 mv
electronic error: 22 ±6 mv
weight < 8g.