ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
1. Number of channels: 8 channels
2. Input type: mV, V, mA, K, J, E, R, S, T type thermocouple. Channel input type can be set separately
3. Isolation voltage: 3000 VDC.
4. Thermocouple input overvoltage protection: ± 220V.
5. Power input: with DC filter function, strong anti-interference ability, suitable for operation in harsh environments.
6. Sampling speed: 1000 sample / sec (total).
7. Input impedance: 20 megaohms.
8. Accuracy: 0.1 level. Resolution: 24 digits
9. Cold junction compensation error: <± 1 ℃.
10. 50Hz and 60Hz power frequency interference suppression: CMR> 120dB NMR> 80dB.
11. Power supply: 24VDC.
12. Power consumption: <2W.
13. Ambient temperature: -20 ℃ ～ 70 ℃.
14. Relative humidity: <85% without condensation.
15. Communication interface: RS485 photoelectric isolation, ESD protection.
16. Communication distance: 1200 meters, relay extension can be added
17. Installation method: DIN35mm standard rail clamping or screw fixing.
18. Product appearance size: 100 * 70 * 25MM including terminal size: 120 * 70 * 25MM
Brife introduction
Model:JK-808
8 channels
Temperature collection range: K, J, E, R, S, T, B type thermocouple, the input type of each channel is set by software
Current collection range: 4-20mA ±20mA
Voltage collection range: ±1000mV or ±10V ±5V
Industry standard communication interface: unique RS232 or RS485 interface
Industry standard communication protocol: DCON or MODUBUS RTU
Product size: 120 * 70 * 25mm
Required accessories:
1) Converter: RS232 to 485
2) 24V / 3A switching power supply
3) sensor
4) computer
Application Area
1. SMT industry temperature data monitoring
2. Electronic equipment factory temperature data monitoring
3. Temperature data monitoring of electronic products
4. Refrigerator temperature monitoring
5. Warehouse temperature monitoring
6. Pharmaceutical factory GMP monitoring system
7. Environmental monitoring
8. Telecom room monitoring
9. Process temperature monitoring
10. Beer production
11. Air conditioning monitoring
12. Petroleum equipment
13. Computer room environment monitoring project
14. Warehouse Environmental Monitoring Project
15. Plastic machinery data monitoring
16. Colleges and universities do experiments
17. Temperature and humidity monitoring of vegetable shed
