Features: Adopts ADS1263 chip, low noise, low temperature drift, 10-ch 32-bit high precision ADC (5-chDifferential input), 38.4kSPS Max sampling rate; WithEmbedded 24-bit auxiliary ADC, internal ADC test signal, IDAC, 2.5V internal referenceVoltage, 8x multiplexing GPIO, PGA- (32 times Max); OnboardAD header input, for WaveshareSensor pinout, forConnecting sort of sensor module; OnboardAD screwTerminal input, allowsConnectingAnalog signal andAnalogPower supply, general purposeInterface; Three-wireRTD (resistorTemperatureDetector) circuit, enable by soldering 0R resistor-; Specifications: Material:ABS Size:Approx.6.5x3cm/2.56x1.18in Resolution:32Bits InputChannel:10 Sampling Rate (max):38.4 Ksps PgaMagnification (max):32 Bus:Spi Structure:Delta-sigma Input Type:Differential-, Single-end ReferenceVoltage:Internal, External InputVoltage Range (max):2.5v, 5v InputVoltage Range (min-):-2.5v, 0v Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x High-Precision AD HAT