The coal JiuShengCang Temperature Monitor 
 1 Overview 
 1.1 Features 
 YHW100J coal lifesaving cabin temperature monitor (hereinafter referred to as the monitor), my company after years of exploration, in co-operation of the mechanical and electrical, ventilation, coal mining, electronics and computers and other sections of the high-quality scientific and technical personnel for the mine to develop a new generation of monitors. Temperature Monitor is a temperature of special test equipment, specializing in tailor-made life-saving compartment under the mining of this product line monitoring capabilities, low power consumption. 
 1.2 The main purpose and scope of 
 1.2.1 The main purpose 
 Mainly used for temperature detection. 
 1.2.2 Scope of application 
 Apply to mining lifesaving cabin. 
 1.2.3 applies to places 
 Hung on the mining life-saving cabin. 
 1.3 the composition of the models and what they mean 
 Monitor named in the following way: 
 YH W 100 J 
 Life-saving bunker 
 Measuring range: (0 ℃ ~ 100 ℃); 
 The first characteristic code: measuring temperature;; 
 Product Type Code: monitor. 
 1.4 Explosion-proof type and Dimensions Weight: 
 1) the type of protection: intrinsically safe mining. 
 2) proof mark: Exib Ⅰ. 
 3) Dimensions: 95.5mm × 48.0mm × 39.5mm. 
 4) Weight: 550 g 
 5) Case: stainless steel; 
 1.5 applies to environmental conditions 
 1) Work Environment: Underground coal mine methane explosive 
 2) Temperature: (0 ~ 40) ℃ 
 3) Relative humidity: ≤ 96% RH, 
 25 ℃ 
 4) atmospheric pressure: (86 ~ 110) kPa 
 5) Storage Temperature: (-40 to +60) ° C 
 The main functions and technical indicators 
 2.1 Key features 
 A monitor differential pressure resolution: 0.1 ° C. 
 2 monitor display values ??for the three figures, with digital display and said display positive and negative. 
 3 POST boot display the battery voltage and under-voltage automatic shutdown feature. 
 4 monitors supporting the charger should charge indication and overcharge protection function. 
 2.2 The technical indicators 
 Measurement range and measurement error: 
 Measurement parameters 
 Measuring range 
 Basic error 
 Temperature 
 0 ℃? 100 ℃ 4 
 ≤ ± 2.5% (FS) 
 1) with the output signal: Frequency: 200 Hz ~~ 1000Hz (pulse width less than 0.3m / s) transmission distance is 2km. 
 2) Display: LCD three; 
 3) Response time: 1 year; 
 Shandong coal mining supplies Co., Ltd. is a China operation device 10 companies granted by the Chinese socio-economic decision-making center. The company was founded in 1982 with a registered capital of 40 million, is a nationwide reputation for quality security vendor, the National Service units of consumer satisfaction. First-class service and reliable reputation, excellent quality, has won high praise from domestic and foreign customers. "Credibility of life, quality of survival" for our country and responsible, socially responsible, and responsible attitude to customers, and strive to provide you the best products, the most attentive service. Welcome to cooperate with us, and seek common development!