ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Power
Voltage: 100V~220V ± 10V
Frequency: 50/60Hz
Maximum power: 300W
Connection: grounding, single-phase power socket
Physical properties
Length: 61cm (24.0 inches)
Width: 36cm (14.2 inches)
Height: 69cm (27.2inches)
Weight: 49kg (108.0 lbs)
Accessories weight: 31kg (68.3 lbs)
Installation requirements (L * W) 100 * 60cm (not including space computers taking up)
Work environment
Temperature: 20 ℃ -28 ℃
Maximum relative humidity: 70%
Technical Parameters
Test principal: Continuous Flow Chromatography method, Low temperature nitrogen adsorption
Test methods: Direct Comparison method
Gas: mixed gas of high purity nitrogen and helium (The proportion of nitrogen and helium is 3/7; and gas purity is 99.999%).
Flow control: automatic control program, P / Po 0.05 - 0.35, control accuracy error ≤ 0.5%;
Measuring range: Surface area ≥ 0.01m2/g, no upper limits;
Sample NO: one standard sample and 3 samples tested
Test Efficiency: Direct comparison measures specific surface area: 15 minutes for three samples
Repeatability Accuracy: ≤ ±1 %
Data acquisition: high-precision data acquisition and processing chip, high anti-interference ability.
Data processing: WINDOWS-compatible data processing software, completely green without installing, providing multi-mode data analysis, graphical processing interface, real-time monitoring experiment, simple operation.
Control system: The entire testing process is completely automatic. With large volume dewar and liquid nitrogen surface control technology, the whole experiment don’t need add liquid nitrogen.
