The basic function
High precision A/D conversion, the maximum point is 7500 when switching function with dividing value;
It is convenient to call the internal code, and it can be used to observe and analyze tolerances.
Zero tracking range, zero (boot/manual) range, zero setting rate can be set separately;
Random charging; With residual power indication and undervoltage protection device;
12V / 2.8AH maintenance storage battery, 12V battery emergency power supply;
Non-standard modified varieties are recommended:
The maximum degree is 15000 (without dividing function);
Optional RS232 communication interface;
A modified version with kg/lb conversion function; (special products for foreign trade)
Technical parameters
A/D conversion: double integral.
A/D conversion rate :12 ~ 15 times/SEC.
Maximum A/D conversion: approximately 500,000.
Input range :0mV ~ 16mV.
Input sensitivity: greater than or equal to 1 mu V/e.
Sensor for bridge power supply C 8V; I 150 ma or less;
Number (A7) : connect the sensor can pick 1 350 Ω sensor
Number (A7 +) : connect the sensor to pick four 350 Ω sensor
Sensor connection mode :4 wire system.
Test scores :3000.
Maximum external division :7,500.
Maximum internal resolution :150,000.
Degree :1/2/5/10/20/50.
Display mode :6 LED digital tubes, 6 status indicators.
Display range :0 ~ 999990 (d = 10)
Serial communication interface (optional)
Standard selection :RS232C.
Baud rate: 1200
Communication mode: continuous transmission mode.
Transmission distance :RS232C is less than 30 meters.
Ac power supply :AC187 ~ 242V; 49 ~ 51 hz
Dc power supply: built-in battery DC12V/2.8AH.

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