△ Range of Input Signal:      -18～+18mV

△ A/D Conversion:                 22-bit Sigma-Delta A/D Conversion

△ A/D Sampling Frequency:   38.400 kHz

△ Nonlinearity:                      ≤0.0015% F.S.

△ Gain Error Drift:                  0.5ppm/℃

△ Minimum Resolution:          0.1uV/d

△ Supply Voltage:                 5V/80mA (can connect 4 sensors)

△ Operating Temperature:   -10～ +50℃

△ Storage Temperature:      -40～+85℃

△ Relative Humidity:             ≤90%R.H

△ Power Supply:                   AC187～242V, 49～51Hz

△ External Dimension:          220×138×125 (mm)

△ 20mA Current Loop and RS-232C Serial Communication Interface

△ Baud Rate 1200/2400/4800/9600 (optional)

△ Battery voltage display and low-voltage automatic shut down

△ AC/DC, Built-in 6V battery