Chinacoal08

Product Introduction

1. General

HSTDX70 is a kind of single gas or multiple gas detector/ alarm which can be optionally equipped with oxygen sensor, combustible gas sensor and any two or four sensors of different noxious gases, or a single gas sensor.

HSTDX70 has a very clear and large LCD with audible and visible alarm, and can detect any dangerous gas and send alarm to the operator in time for prevention even in very inimical work environment.

2. Technical performance and parameters

Features:

- Smart, portable and firm

- Audible and visible alarm

- Large screen digital and character display, instantaneous value, peak value and mean value available

- Self-checking for displaying, battery, sensor, audible and visible alarm at startup

- Regular light flashing and audible indication

- Distinct audible alarm

- Low maintenance cost

- 1, 2, 3 or 4 kinds of gas detecting supported

Main Parameter

Technical performance and parameters

Gas for detect: carbon monoxide in the air (CO)
Range:0-999ppm
Precision: <± 5% (F.S)
Least count: 1ppm/0.1ppm
Response time: ≤ 25 sec

lithium ion rechargeable battery, 3.6V

Battery working period: 15 hours uninterrupted (combustible gas)

About 200 hours (except combustible gas)

Sensor service life: 3 years for combustible gas sensor, 2 years for oxygen and noxious gas sensor

Display: large screen LCD

Alarm: audible and visible alarm

Direct reading: instantaneous value, peak value, battery voltage, TWA, STEL

Ex-mark: Ex ibdIICT3

Protection degree: IP45

Work temperature: -10~40ºC

Work humidity: 5~90% RH

Size: 126mm (L) x 66mm (W) x 32mm (H)

Weight: 220g (with charger)