Stanford SIM922A ຈໍພາບອຸນຫະພູມ Diode (1.4 K - 475 K)
Inputs: 1
Sensor type: Si, GaAs, or GaAlAs diodes
Measurement type: 4-wire
Excitation (constant current): 10 µA ± 0.01 %
Sensor units: Volts
Input range: 0 V to 7.5 V
Calibration curves: 1 standard plus 1 user curve, 256 points
Temp. range (typ.): 1.4 K to 475 K (sensor dependent)
Display res.: 4 digits
Interface res.: 1 µV
Meas. res.: 4 µVrms
(1 mArms / 10 µArms)
Accuracy (23±1°C): 20 µV + 0.01 %
Temp. coefficient: ±5 ppm/°C
Common Specifications:
Measurement rate: 5 readings per second
Scaled analog out: ±10 VDC full-scale range
Full scale: 10 K, 100 K or 1000 K
Resolution: 300 µV
Accuracy: 1 mV
Monitor analog out:
Offset: <20 µV (typical)
Bandwidth: 4 kHz
Operating temp.: 0 °C to 40 °C (non-condensing)
Interface: Serial via SIM interface
Power (max.): Power supplied by the SIM900 Mainframe, or optionally by a user-supplied DC power supply (±15 V and +5 V).
Dimensions: 1.5" × 3.6" × 7.0" (WHL)
Weight: 1.4 lbs.
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ