D30 Digital weighing indicator can be used with 1-4 SOB or HSX digital load cell (E type protocol). It has the function of accumulation and unit switchover and applies to small platform scale, weighbridge and farmer's scale

Characteristics and functions:
1. Auto networking and auto auto-creating weighing scale system.
2. Automatic and manual corner-difference adjustment
3. Power on, auto zero-setting range, manual zero-setting range can be set separately, zero tracing range can be set
4. Random charging by indicator, low power indication and voltage status monitoring.
5. RS232 communication interface, multi communication protocol.
6. Encryption function is available while load cell and indicator is communicating.
7  Digital load cell ISN checking, overload record checking function
8. Scoreboard interface, series port communication port and standard parallel Printer interface, fixed pound printing format
9. Equipped with EMC Protection

Main Technical Parameters

Digital load cell interface : RS485 , Max transmission distance 75m
Transmission speed rate : E Protocol 19200 bps
Digital load cell power supply : DC 12V/750mA
Digital load cell connection quantity : 1-4pcs
Digital load cell communication protocol:  Keli E protocol
Display: 7 LED digital tube with 1.2 inch red light, 7 state instructions
Scoreboard interface: Current loop serial output, RS232, 600bps,transmission distance ≤100m
Serial communication interface : RS232, 600-19200bps optional
Printer interface: Standard parallel print interface, recommend ESPON LQ/300K + II, Panasonic KX-P1121/1131, POS_58 printer
Indicator power supply : AC: Switch power supply, 110V-220V/AC, 50Hz; DC : external connection Batteries, 12V/DC
Operating temperature :  0℃~40℃, Humidity : ≤85% ( RH) 
Storage temperature : -10℃~60℃, Storage Humidity : ≤95% ( RH) 
Dimension : 293mm x 210mm x 70mm (L x W x H)