Product description Gas xylene detection explosion-proof digital gas concentration measuring instrument Model: QT13-LB-AB2J Characteristics of the instrument: The large screen LCD continuous real-time display gas concentration, high brightness backlight convenient gas detector The compact design, small size, light weight ◆ with automatic calibration procedure is simple, reducing the measurement error The sensor fault detection and alarm function, S, TWA alarm function We can provide digital values of gas concentration ◆ test personnel number, information test location number, convenient management The standard four button operation, single switch machine, easy to operate ◆ durable shock ABS shell, high waterproof and dustproof design, suitable for harsh environment. Technical indicators: Monitoring of gas: xylene Measuring range: 0-* Alarm concentration: 25% (set) Precision: +-1%FS Methods: flameproof explosion-proof Explosion-proof symbol: EXdIICT6 Alarm: alarm Alarm sound: ≤ 70dB The output signal frequency: 0-1KHZ/ current 4-20MA Operating temperature: -20C - +50C Relative humidity: 20% -- 95%RH The maximum transmission distance: 1500m 售后服務承諾: 1、服務宗旨:快速、果斷、準確、周到、* 2、服務目標:服務質量贏得用戶滿意 3、服務效率:保修期內或保修期外如設備出現故障,供方在接到通知后,1-3個工作日內予以解決。 用戶可以通過售后咨詢有關技術問題,并得到明確的解決方案 4、服務原則:儀器儀表產品保修期為1年,在保修期內供方將免費維修和更換屬質量原因造成的零部件損壞,保修期外零部件的損壞,提供的配件只收成本費,由需方人為因素 造成的設備損壞,供方維修或提供的配件均按成本價計。