Product Name: Control meter series 
 Model: HT9800-K2 
 Size: 
 Product Description: ● ● use of aluminum alloy case: can be used for packaging scales, batching scales, screening scale, upper and lower control value control device. ● △ can show the main properties of the sensor millivolt signal to facilitate detection of the sensor is good or bad △ Filter Series Adjustable (1 ~ 4) △ for the table without re-calibration of △ 16 switch input / output automatically drop correction △ △ 4 ~ △ RS232C 20mA analog output and RS-485 (optional) serial communication interface baud rate 1200/2400/4800/9600 optional △ △ all interfaces using the interface designed to prevent static damage ● Technical Parameters: △ input signal range: -18 ~ +18 mV △ A / D conversion: 24-bit Sigma-Delta ADC △ A / D sampling frequency: 38.400kHz △ nonlinear: ≤ 0.0015%. △ Gain Error Drift: 0.5ppm / ℃ △ minimum resolution : 0.1uV / d △ for the bridge voltage: 5V/200mA (which can be accessed 16 sensors) △ Operating temperature: -10 ~ +50 ℃ △ Storage Temperature: -40 ~ +85 ℃ △ Relative humidity: ≤ 90% △ Power: AC187 ~ 242V, 49 ~ 51Hz △ hole size: 152 × 76 (mm) △ Dimensions: 162 × 86 × 145 (mm) base price: 2500 yuan / Taiwan