ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Main technical parameters:
Measuring range: 0~100% (optional range) (volume ratio of N2 to H2)
Basic error: ≤±1.5%FS
Zero point drift: ≤±1.5%/7d
Range drift: ≤±1.5%/7d
Repeatability error: ≤0.75%;
Minimum graduation value: 0.01%H2
Response time: T90＜40 seconds
Output signal: 4~20mA DC (external load allowed <800Ω)
0～10mA DC (external load allowed＜1600Ω)
Alarm relay contact capacity: 220VAC/1A
Power consumption: <60W
Sample gas pressure: ≤0.2MPa
Sample gas flow: 200 ml/min
Sample gas temperature: 0～50℃
Instrument dimensions: 240×192×213mm (height×width×depth)
Installation opening size: 232×184mm (height×width)
The normal working conditions of the instrument are as follows:
Ambient temperature: 0℃～40℃;
Relative humidity: 20% ~ 80% (except condensation);
Atmospheric pressure: local atmospheric pressure;
Sunlight radiation: avoid direct exposure;
Amount of dust in the environment: negligible;
Air flow speed: 0.5m/s
Harmful gases in the environment: no strongly corrosive gases;
Vibration: avoid strong vibration;
Ventilation: no obstruction;
Working position: horizontal installation (±10.);
Power supply voltage: 220V±22VAC
Power frequency: 50Hz±1Hz
External electric fields, magnetic fields, and electromagnetic fields: avoid interference from strong electromagnetic fields.
