Honeywell VRX180 - Manual (Page 21)

Introduction
Video Recorder - User Manual 7
Table 1-1 Specifications (continued)
Analog input accuracy and rated limits
Accuracy Reference conditions Temperature = 23°C
±
2°C (73°F
±
3°F)
Humidity = 65% RH
±
5%
Line voltage = Nominal
±
1%
Source resistance = 0 ohm
Series mode and common mode = 0 V
Frequency = Nominal
±
1%
Accuracy Field calibration accuracy 0.05% of the selected range (IEC 873)
Factory calibration: 0.1%
Cold junction accuracy:
±
0.5°C
Rated limits and
associated drifts Parameters Rated limits Influence on accuracy
Temperature 0 to 50°C (32 to 120 °F) 0.15% per 10°C of change (See
Note A)
Cold junction 0.3°C/10°C
Supply voltage 85 to 250 V No influence
Source resistance T/C, mV 6 µV per 400 Ohms of line
resistance max. = 1000 Ohms
RTD 0.1°C per Ohm in each wire
balanced leads
40 Ohms max. (from 0 to 400°C)
Humidity 10 to 90% RH at 25°C 0.1% max.
Long-term stability 0.1% per year
Table 1-2 Analog Input Accuracy--Linear types
Millivolts Volts Current Ohms
0 to 10 mV
-10, +10 mV
0 to 20 mV
-20, 0, +20 mV
0, 50 mV
-50, 0, +50 mV
10 to 50 mV
0 to 100 mV
-100, 0, +100 mV
0 to 500 mV
-500, 0, +500 mV 0 to 1 V
-1, 0, 1 V
0 to 2 V
-2, 0, +2 V
0 to 5 V
-5, 0, +5 V
1 to 5 V
0 to 10 V
-10, 0, +10 V 0, 20 mA
4, 20 mA 0 to 200
0 to 2000
NOTE:
- The mA inputs must be connected to a 250 ohms resistor across the input terminals.