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
µ
C
EEPROM:
64 x 16, external to
µ
C
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)
