• There are some model according the function:

       – A12E+ (only weighing)
 – A12E+ – RS ( RS 232 function for connect to PC )
       – A12E+ – TTL ( TTL 2 output function for semi automatic weighing system )
       – A12E+ – SB ( Score board function )
       – A12E+ – PH ( Peak Hold function for testing device )
       – A12E+ – HLG ( Hi Lo Go alarm function for check weighing )
       – A12  – AV ( LCD display) ( Average hold function for animal weighing )

• High precison A/D conversion with readability 1/ 30000
• Special digital filtering technology to strenghten anti – vibration ability
• Call and display inner code to replace weight observing and analysis tolerance
• Set-up zero tracking range, zero (auto/manual) range and zero speed
• Set up digital filter intensity, range, and stable time
• Alarm for low battery and auto power off at low battery
• AC/DC power supply with built-in rechargeable 6V/4Ah battery

• A/D conversion method: Σ – Δ
• A/D conversion speed : 10 times/sec.
• Max. A/D conversion bits: 20
• Input signal range: -10mV ~ 15mV
• Input sensitivity: ≥ 1 μV/e
• Load cell excitation: DC 5V; 1≤150mA
• Max.connection number of load cell: 4 at 350 ohm
• Load cell connection mode: 4 wire
• Verified counts: 3000
• Max. external counts: 30000
• Max.internal resolution: 300000
• Division: 1/2/5/10/20/50/ optional
• Optional scoreboard interface sending by 20mA current loop with baud rate 600, transmission distance : ≤2000 meters
• Optional serial interface RS 232 with selectable baud rate 1200/2400/4800/9600, transmission distance: ≤ 30 meters
• Display : (A12E+) 6 bits LED, 6 status indications
• Display : (A12) 6 bits LCD, 6 status indications
• Display range: -2000 ~ 150000 (d=10)
• Power supply: AC 187~242V, 49 ~ 51 Hz and DC rechargeable battery 6V/4Ah