[shortdesc]Application:Hydrogen leakage and leak detection.
Feature:High sensitivity, High resolution, Low power consumption, Long life,Uart output[/shortdesc]
Production Description:
ZE21-H2 is a special-purpose and miniaturization electrochemical module. It utilizes electrochemical principle which makes the module with high selectivity and stability. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. It is a combination of mature electrochemical detection principle and sophisticated circuit design.
Feature:

High sensitivity
High resolution
Low power consumption
Long life
Uart output

Application:

Hydrogen leakage and leak detection.

Main technical parameters:

Model No.	ZE21-H2
Detection gas	Hydrogen leakage integrated gas
Interfering gases	Carbon dioxide, etc.
Output data	UART output (3.3V TTL)
Working voltage	5~10V DC
Preheating time	40 seconds
Response time	≤5 seconds
Recovery time	≤60 seconds
Detection range	0～20000ppm
Resolution	50ppm
Working temperature	-30℃～65℃
Working humidity	15%RH-90%RH(no condensation)
Storage temperature	30℃～65℃
Life span	3-5 years (in air)

2PCS Winsen ZE21-H2 Hydrogen Leak Detection Module