Functions:

• 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 )
• 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

Technical Parameter:

• A/D conversion method : Σ - Δ
• A/D conversion speed : 10 times/sec
• Max. A/D conversion bits : 20
• Display: (A12E+) 6 bits LED, 6 status indications
• Display range : -2000 ~ 150000 (d=10)
• Power supply : AC 187~242V, 49 ~ 51 Hz
                             DC  rechargeable battery 6V/4Ah
• Input signal range : -10mV ~ 15mV
• Input sensitivity : ≥ 1 μV/e
• Load cell excitation : DC 5V; I ≤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 score board interface sending by 20mA current loop with baud rate 600 , transmission distance : ≤ 2000 meters