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)

Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd (hereinafter referred to as china coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.

China coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.

In order to development of international trade , expansion overseas market, china coal established international trade branch company and import and export branch company. China coal actively expand foreign trade channels based on a good market image, brand, modern information platforms and capital protection. Based on the trading diversification strategy, the group established a chain loop trading system which is with import and export trade of the mining equipment as a core, the resources and market as the elements. China coal also formed a overseas sales team, that covers English, French, German, Portugal, Italy, Russian, Korean, Japanese, Arabic, and more than 10 language professionals to explore broader international markets on the Internet. At present, the group signed up for "china coal" trademark in the European Union, United States, Russia, United Kingdom, Taiwan, Macao, Singapore, Indonesia, Israel, and other countries, also get the right to use the trademark of the United Kingdom and Taiwan. Hundreds kinds of products such as tunnel boring machine, coal cutter machine etc. is exported more than 140 countries and regions which are the United States, Australia, Germany, Russia, Spain, France, Canada, United Kingdom, Italy, Portugal, Georgia, Austria, and Colombia. China coal is to establish long-term, broader economic and trade cooperation and strategic partnership with a number of large state-owned enterprises and customers, and won the unanimous approval of them.

China coal has succeeded in passing a number of certification systems which are ISO9001, 2008 quality management system certification, United States ANAB management system certification, United Kingdom international authoritative certification bodies UKAS quality management system certification, SGS certification (made in China), Alibaba GIS certification. She has also obtained a variety of honor which are China excellent enterprise of mechanical industry, China equipment manufacturing operation top 10 enterprises, national reputation for quality assured supplier, China credit certification system demonstration unit, national quality trustworthy product for conformity assessment, national consumer satisfaction units, China AAA level quality trustworthy enterprise and Chinese e-commerce company credit rating AAA level credit Enterprise.