Brief introduction

Built in electrical isolation and anti-static design, reducing serial interface damage, sensor interface failure, weight instability, and intermittent communication with sensors caused by on-site grounding issues; The surge protection design of the sensor interface of the instrument improves its ability to protect against lightning surges. It can be connected to the Keli E-type digital sensor and is suitable for static digital truck weighing systems. (The suffix AC is for transformer specifications)

Same series products:

D12-Y (AC) - No panel micro printing;

D12-YP (AC) - equipped with thermal sensitive micro tapping;

D12-YP1 (AC) - Micro needling with needle

D12-R (AC) - No panel micro tapping;

D12-RP1 (AC) - Micro needling with needle;

2、 Characteristics and basic functions:

1. Built in constant current float charging circuit for better protection of the battery;

2. Quick storage design to solve the problem of full record storage;

3. Support custom filling, printing, and layout functions;

4. By implementing isolation and interface electrostatic protection design, the sensor is protected from electrical influences from external devices;

5. Added support for E-type customized dynamic encryption communication protocol and K protocol to enhance the anti cheat capabilities of the device;

6. Supports conventional C, E, and K-type communication protocols;

7. Equipped with automatic angle adjustment, weight adjustment, axis adjustment, and coefficient adjustment functions, it can meet the needs of different on-site situations;

8. Supports Modbus command protocol and 8 commonly used continuous PC communication protocols;

9. Support 08 series instrument encryption method and JMQ01, JMQ03 one click encryption method;

10. Adopting transformer power supply and battery DC power supply.

3、 Main technical parameters:

Accuracy level: Level III, n=3000;

Error allocation coefficient: pi=0.5

Division values: 1, 2, 5, 10, 20, 50, 100 are optional;

Digital sensor interface: RS485 mode, the bus can be connected up to 75 meters when 12 digital sensors are connected;

Transmission rate: 9600, 19200bps;

Power supply: DC12V/750mA;

Number of sensor connections: 1-16 pieces;

Sensor communication protocols: Corly C protocol, C custom protocol, E protocol, E custom protocol, and K protocol;

Display mode: 7-digit 0.8inch LED digital display, 7 status indicators;

Large screen interface: 20mA current loop constant current source serial output, baud rate 600, transmission distance ≤ 100 meters;

Serial communication interface: standard RS232 configuration, baud rate 600-19200 optional;

Printer interface: configured with standard parallel printing interface, can be connected to EPSONLQ-300K+II, LQ-300K, LQ680K, LQ-730K, LQ-1600K (+), Panasonic KX-P1131, KX-P1121, DS-300 and other wide line printers;

Data storage: capable of storing 1000 sets of tare weight for vehicle numbers, 1500 sets of the latest weighing records, and 300 sets of the latest incomplete weighing records;

Instrument power supply: AC 110-220V 50Hz (transformer specifications are AC 220V, 50Hz)

Emergency auxiliary power supply: DC12V/7Ah maintenance free battery (randomly charged);

Exterior dimensions: 330 * 207 * 158mm

Self weight: approximately 1.6 kilograms (transformer size approximately 2.5 kilograms)

Chongqing Longzheng Weighing Instrument Co., Ltd. 24-hour service hotline: