Features:

◆ Support free switch between PPM and mg/m3, %VOL and mg/L concentration units, and support free switch between Chinese and English operation interfaces;

◆ Standard configuration of 6000 mAh high-capacity lithium battery, continuous working time of more than 30 hours; support mobile power supply and charging, compatible with universal USB port mobile phone charger;

◆ Real-time data transmission, accurate notification of local and remote wireless alarms (optional) in multiple alarm modes, including the alarm function of people falling to keep safety under control;

◆ High-strength wear-resistant polycarbonate shell, strong, waterproof, anti-corrosion, and anti-electromagnetic radiation; reasonable and scientific gas path and air chamber design, try to prevent the sensor from being disturbed by the environment; the protection level reaches IP66.

◆ A variety of storage methods, automatic storage, manual storage, single-point storage, storage interval can be customized, can store 300,000 sets of data with date and time marks, and can store more than 10 million sets if equipped with a micro SD memory card; 

◆ The short-distance RTU wireless transmission method or the GPRS wireless transmission method with unlimited distance anywhere can transmit real-time detection data and alarm status to the safety center through the built-in wireless module function (optional); 

◆ Support USB measurement data download, support miniature portable printer Bluetooth wireless printing.

 Product parameters:

product name	Pump Suction Portable Tetrahydrothiophene Detection and Alarm Instrument
Product number	HYE2000-THT
Gas detection	Tetrahydrothiophene (THT) in air
Detection principle	Principles of Electrochemistry
Measuring range	0-50mg/m3
resolution	0.01mg/m3
Sampling method	Active pump suction type, the built-in air pump can be opened or closed independently, the air pump flow rate is 500ml/min
Indication error	≤±3% FS (higher accuracy requirements based on sensor performance)
repeatability	≤±1%
zero drift	≤±1% (FS/year)
Response time	≤20 seconds (T90), (higher requirements based on sensor performance)
Recovery Time	≤30 seconds (higher requirements based on sensor performance)
size	Length 80mm x height 200mm x width 58mm
shell material	High-strength wear-resistant polycarbonate shell + stainless steel
weight	0.52kg
Battery	Large-capacity rechargeable lithium battery 6000mAh, continuous working time more than 30 hours, charging time less than 7 hours, support mobile power supply and charging; compatible with universal USB mobile phone charger
charger	USB high current 5V 2.1A fast charger;
Alarm method	Sound alarm 95 dB@30cm, vibration alarm, red LED alarm light, personnel fall alarm; short-distance wireless and long-distance GPRS wireless alarm mode (optional)
Alarm point setting	A1 alarm value, A2 alarm value; TWA alarm value, STEL alarm value and low concentration alarm value can be set separately
display screen	2.3 inch TFT large color screen
backlight	Manual, automatic when alarm
button	7-key navigation key
direct reading	Measured value, data recording status, pump working status, ambient temperature, humidity, maximum value, minimum value, average value
data record	Automatic, manual, and single-point storage, the storage interval can be customized, and can continuously store 300,000 sets of data with date and time, and can store more than 10 million sets of data with an optional micro SD memory card;
data download	Support USB measurement data download; support GPRS wireless transmission (optional)
data printing	Support miniature portable printer Bluetooth wireless printing (optional)
calibration	Level 2 to level 4 target point calibration function, calibration calibration value can be set, one-key zero adjustment
Explosion-proof grade	Ex ib Ⅱ C T4 Gb ((intrinsically safe)       (National Explosion-proof Electrical Products Quality Supervision and Inspection Center Inspection and Certification)
degree of protection	IP66 (waterproof and dustproof)
operating mode	Two operating modes, user mode and administrator mode, are available
Environmental pressure	86kPa～106kPa
ambient temperature	-20°C～+55°C (typical value) -40°C～+70°C (limit value) (Higher temperature and humidity requirements can be equipped with a high temperature sampling handle to detect gases with a temperature up to about 800°C)
environment humidity	10%～95%RH (no condensation)
Executive standard	GB 12358-2006, GB 3836.1-2010, GB 3836.4-2010
quality assurance	One year warranty period, free maintenance during the warranty period.