ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Gas type： Hydrogen (H2)
Working principle: Electrochemical sensor
Measuring range： 0~1000ppm or Customized.
Resolution： 0.1ppm, 1ppm or 0.01%vol
Precision： ±≤3%FS or Customized
Sampling method: Pump-suction sampling, flow rate of 300ml/min
Data storage: Can record 300000 group of measuring data
Response time： T90≤20s
Recovery time： ≤20s
Repeatability: ≤±1%
Zero drift: ≤±1%(F.S/year)
Pre-heating time: ≤60s
Display: LCD dot matrix display of the Gas type, gas concentration unit, gas concentration data, time, battery status, data storage status
Concentration unit: ppm，mg/m3, %vol
Working environment:
Working temperature: -20~60 degree
Working humidity: 10%~95%RH (non-condensing)
Working pressure: 86Kpa ～ 106Kpa
Explosion-proof Grade: Ex ib IIC T4 Gb
Protection grade: IP66
Alarm mode: Audible, visual
Shell material: Metal
Power supply: 3.7VDC, 2800mAh, Rechargeable lithium battery; DC5V USB charger
Charge time: ≤6 hours
Working time: ≥24 hours
Dimension： 135*65*35mm
Weight： 0.5KG
Accessory: Box, instruction, USB charger , data line.
Quality standard: GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010
Option: For other measuring ranges please see datasheet or Contact us to customize the suitable one.
