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APPENDIX A: SPECIFICATIONS
ANALOG SPECIFICATIONS
Full Scale Input Signal
30mV, including dead load
Minimum Sensitivity - Non H-44
0.4
V / grad
Minimum Sensitivity - H-44
1.0
V / grad
Input Impedance
30M
, typical
Internal Resolution
Approximately 330,000 counts at 3 mV/V, span gain = 200
Display Resolution
50,000 display division max
Measurement Rate
10 Meas/sec, nominal
System Linearity
Within 0.02% of FS
Calibration Method
Software Calibration, with long term storage in EEPROM
Excitation Voltage
+10VDC, 4 x 350
load cells
DIGITAL SPECIFICATIONS
Microcontrollers
Intel 80C32
Winbond W78E58
Program Memory
64K x 8, external to
C
32K x 8, internal to
C
SRAM:
256 x 8, internal to
C
EEPROM:
64 x 16, external to
C
SERIAL COMMUNICATIONS
Serial Port
Full Duplex, 1200, 2400, 4800, 9600, 19200 Baud
8 data bits, no parity, 1 stop bit
7 data bits, odd parity, 1 stop bit
7 data bits, even parity, 1 stop bit
7 data bits, no parity, 2 stop bits
OPERATOR INTERFACE
Display
0.6" (14 mm) 7-segment, Led, 6 Digit
Additional Symbols
Net, Gross, Motion, Tare, lb, kg, Zero, Disp T
Keyboard
14-key flat membrane panel
POWER
Standard AC Input
110/220 VAC, 50/60 Hz / 12 VDC, 800mA
AC Adapter (older units only)
12 VDC, 500mA Female
DC Power Consumption
200mA + 30mA/350
Load Cell
ENVIRONMENTAL
Operating Temperature
–10° to +40
C
Storage Temperature
-25° to +70
C
MECHANICAL
Overall Dimensions (L x W x H)
10.4" x 3.1" x 7.7" (265mm x 80mm x 195mm)
APPROVALS
NTEP
COC # 00-065A1
5
Newer units only. Older units 260,000
