PICO ADC-20 ບັນທຶກຂໍ້ມູນຄວາມລະອຽດສູງ (20 bit; 4/8 CH)
Inputs and outputs
Resolution: 20 bits
Number of channels: 4 differential / 8 single-ended (Each differential channel can optionally be configured as two single-ended channels)
Conversion time per channel: 660 ms, 340 ms, 180 ms, 100 ms, 60 ms
Voltage ranges: ±2500 mV; ±1250 mV;
Gain error: 0.2% of reading
Offset accuracy:
400 µV (±2500 mV range);
36 µV (±1250 mV range);
Offsets typical with input source impedance ≤ 1 kΩ
Noise-free resolution: See datasheet
Noise rejection: 120 dB typical at 50/60 Hz
Input impedance: Differential: 2 MΩ; Single-ended: 1 MΩ
ADC input bias current: 50 nA max.
Common mode input range, channel to common: ±3.0 V (±2500 mV range); ±1.9 V (±39 mV to ±1250 mV ranges)
Common mode input range, common to earth ground: ±30 V
Common mode rejection ratio, channel to common: 95 dB (DC to 60 Hz)
Common mode rejection ratio, common to earth ground: > 125 dB (DC to 60 Hz)
Overvoltage protection: ±30 V between any input and common
Isolation (input to input): None
Isolation (input to ground): Galvanic up to ±30 V; AGND and DGND isolated
Reference output:
+2.5 V ±2.5 mV @ 2 mA
+5 V ±1.0 V @ 2 mA
−5 V ±1.5 V @ 2 mA
Environmental
Temperature range, operating, for quoted accuracy: 20 to 30 °C
Temperature range, operating: 0 to 45 °C
Temperature range, storage: −20 to +60 °C
Humidity range, operating: 5 to 80 %RH, non-condensing
Humidity range, storage: 5 to 95 %RH, non-condensing
General
Software: PicoLog Cloud, PicoSDK (available from www.picotech.com/downloads); Example code (available from Pico’s GitHub organization page, github.com/picotech)
PicoLog user interface languages: English, French, Italian, German, Spanish, Korean, Japanese, Chinese (simplified), Russian
PC requirements (PicoLog Cloud app): Windows, macOS, Linux or Raspberry Pi OS. For supported OS versions, see PicoLog 6 Release Notes. Hardware as required by the operating system.
PC requirements (viewer): Any device with internet access, a web browser and a screen
I/O connector: 25-way D female
Power requirements: Powered from USB port, 100 mA (max.); A 4.4 m (13.8 ft) USB cable is permanently attached to the logger
Dimensions: 135 x 184 x 36 mm (5.31 x 7.24 x 1.41 in)
Weight: Approx. 505 g (17.8 oz)
Compliance: European EMC and LVD standards; FCC Rules Part 15 Class A
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ