A-1
APPENDIX A: TECHNICAL SPECIFICATIONS
ANALOG SPECIFICATIONS
Full Scale Input Signal 16 mV, including dead load
Internal Resolution Approximately 150,000 counts
Displayed Resolution Up to 3,500 graduations 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 +10 VDC
RFI Protection Signal lines protected by LC Low Pass Filters
Excitation & Power lines protected by EMI Chokes
DIGITAL SPECIFICATIONS
Microcontroller Intel 80C32
Program Memory:
32K x 8, external to µC
EEPROM:
64 x 16, external to µC
SERIAL COMMUNICATIONS
RS-232 Full Duplex, Selectable Baud, Data Bits and Parity
OPERATOR INTERFACE
Display 6-Digit, 0.56” 7-segment LED Display
Keyboard 5-key Tactile Keypad
POWER
AC Adapter 12 VDC, 500mA
ENVIRONMENTAL
Operating Temperature
41°F (0°C) to 95°F (40° C)
Storage Temperature
-4°F (-20°C) to 167°F (+75°C)
Operating RH 20% to 95%, non-condensing
Storage RH 20% to 98%
PHYSICAL DIMENSIONS:
13.0 in [330.2 mm]
4.4 in [112 mm]
ON/OFF
SWITCH
DC POWER
JACK
RS-232
PORT
REMOTE
DISPLAY
ID TAG
CALIBRATION
SWITCH COVER
13.0 in [330.2 mm]
PC-150 Only
10.2 in [258.0 mm]
PC-30/70
CONNECTOR
(WP-30 & 70 ONLY)
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