ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Determination method: rapid catalytic method (chromium method);
Range of measurement: low range 0~150mg/L
High range of 100~1000mg/L (> 1000mg/L dilution test);
Measurement error: 5~100 mg/L, absolute error: + / – 5 mg/L; 100 mg/L~1000 mg/L, the relative error is less than or equal to or equal to 5%
Eliminate temperature: 165 + / – 1 ℃; Digestion time: 15 minutes;
Determination time: simultaneous determination of 9, 12 or 25 water samples in 30 minutes; (different quantity of water samples according to the configuration)
Temperature < of error of plus or minus 1 ℃;
The temperature field: uniformity of 2 ℃ or less;
The resolution time indicator error is no more than 2%;
Record storage: 20 measurement results can be stored.
Ambient temperature: 5 ~ 40 ℃;
Environmental humidity: relative humidity < 85% (no condensation);
Power supply: AC220V plus or minus 10% / 50Hz
