Main Purpose and Scope of Application

QM-1 Automatic Pressurizing Self-Rescuer Air Tightness Tester can be used to check the air tightness of filtering, chemical oxygen, and compressed oxygen self-rescuers.
Operating Environmental Conditions
Well-ventilated and dust-free indoor environment
Humidity < 90% RH
Temperature: (0–40)°C;
Product Introduction

QM-1 Automatic Pressurizing Self-Rescuer Air Tightness Tester features an aesthetically pleasing appearance, intuitive digital display, high precision, minimal error, robust reliability, compact structure, and ease of use. This instrument utilizes a large-scale integrated circuit microcontroller for data processing, ensuring excellent stability and a long calibration cycle. After calibration, the instrument generally requires no further adjustments, maintaining stability within the error margin.

QM-1 Automatic Pressurizing Self-Rescuer Air Tightness Tester Main Technical Parameters
a. Measurement range: 12.000–15.000 kPa;
b. Pressure accuracy: ±1 Pa;
c. Testing time: 30 s;
d. Automatic testing timing: 15 s;
e. Time accuracy: 0.01 s;
f. One-time rapid testing capacity: >3 units;
h. Dimensions: 500*350*450 mm;
i. Weight: 25 kg.