HONEYWELL UNITARY CONTROLLER - 230 VAC - INSTALLATION INSTRUCTIONS
31-00610-01 40
APPENDIX
Sensor Input Accuracy
The controller's internal sensor inputs support both 10 K NTC Ω and 20 K NTC Ω sensors. The following table lists
the typical minimum accuracies of the hardware and software for these temperature sensors.
NOTE:
This is the accuracy of the internal sensor input (hardware + software [linearization]) only. This table does not
include the characteristics of the sensors themselves, see Sensor Characteristics on page 42.
Table 31 Sensor Accuracies
Range Measurement Error (Excluding Sensor Characteristics)
10 kΩ NTC
a)
20 k NTC PT3000
NI1000TK5000
b)
-58 °F to -4 °F (-50 °C to -20 °C) ≤ 5.0 K ≤ 5.0 K ≤ 1.2 K ≤ 1.2 K
-4 °F to +32 °F (-20 °C to 0 °C) ≤ 1.0 K ≤ 1.0 K ≤ 0.7 K ≤ 0.7 K
32 °F to 86 °F (0 °C to 30 °C) ≤ 0.5 K ≤ 0.3 K ≤ 0.5 K ≤ 0.5 K
86 °F to 158 °F (30 °C to 70 °C) ≤ 0.5 K ≤ 0.5 K ≤ 0.7 K ≤ 0.7 K
158 °F to 212 °F (70 °C to 100 °C) ≤ 1.0 K ≤ 1.0 K ≤ 1.2 K ≤ 1.2 K
212 °F to 266 °F (100 °C to 130 °C) -- ≤ 3.0 K ≤ 1.2 K ≤ 1.2 K
266 °F to 302 °F (130 °C to 150 °C) -- ≤ 5.5 K ≤ 1.2 K --
302 °F to 752 °F (150 °C to 400 °C) -- -- -- --
a)
10 k NTC Ω specified for -22 °F to 212 °F (-30 °C to +100 °C) only.
b)
NI1000TK5000 specified for -22 °F to +266 °F (-30 °C to +130 °C) only.
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