ETCR ETCR2800E ເຄື່ອງກວດຈັບຄວາມຕ້ານທານດີນແບບອອນລາຍຂະຫນາດນ້ອຍ (Φ17mm, 0.01Ω~100Ω, Small Caliber)
Sensor Perforation Size: Φ17mm
Sensor Size: 110mmX80mmX55mm
Weight: 334g
Measurement Range: 0.01Ω~100Ω
Resolution: 0.001Ω
Accuracy: ±2%rdg±3dgt (20℃±5℃, below 70%RH)
Power Supply: 6VDC~12VDC, 50mA Max.（External power supply）
LCD Size: 47mmX28.5mm
PCB Size: 75mX×54mmX22mm
Installation Requirements: Installed in outdoor, and the circuit boards need to be placed in other protective boxes
Single Measurement Time: 0.5s
PCB Interface
J1: Signal output, power input interface
J2: Sensor and PCB interface
J1 Mark
P+: Power input positive; R+: Signal output positive
P-: Power input ground; R-: Signal output negative
GND: Signal ground, short connect with power input ground (P-)
Communication Mode: RS485 (supports MODBUS-RTU communication protocol) or 4G communication (optional)
Overflow Indication: Display value> 100Ω，communication send “OL Ω” command
External Magnet: ＜40A/m
External Electric Field: ＜1V/m
Shift: Automatically
Normal 4G Version
LTE-FDD B1/B3/B5/B8
LTE-TDD B34/B38/B39/B40/B41
Global 4G Version
LTE-FDD B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28
LTE-TDD B38/B39/B40/B41
WCDMA B1/B2/B4/B5/B6/B8/B19
GSM B2/B3/B5/B8
Accessories: Sensor: 1PCS; PCB Module: 1PCS; Connection line: 1PCS; Signal wire: 1PCS; Hex wrenches:1PC (only for ETCR2800X)
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ