ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Measurement:
Measurement type: 4 wire AC bridge
Number of inputs: 1
Resistance range: 1 mΩ to 100 MΩ
Time constant: 0.3 s to 300 s
Reading rate: 2 updates/s
Demodulator resolution: 32 bit
Accuracy (% reading + % range):
2 Ω to 200 kΩ: (0.05 % + 0.05 %) at an excitation of ≥30 µV and ≥3 nA
200 mΩ to 2 MΩ: ±(0.15 % + 0.15 %) at an excitation of ≥300 pA
Stability:
With autocal: (±0.001 % of reading)/°C
Without autocal: (±0.02 % of reading)/°C
Max. lead resistance: 100 Ω + 25 % range
Input impedance: >10 GΩ (typ.)
Source:
Type: Sinusoid, constant current or voltage
Source frequency: 2 Hz to 60 Hz
Excitation: 3 µV to 30 mV, 10 mA (max.)
Max. DC current: <3 µV/range
General:
Operating temperature: 0 °C to 40 °C (non-condensing)
Interface: Serial via SIM interface
Power: Power supplied by the SIM900 Mainframe, or optionally by a user-supplied DC power supply (±15 V and +5 V).
Dimensions: 3.0" × 3.6" × 7.0" (WHL)
Weight: 2.3 lbs.
