Accessory List

VER-HW Series
302
© Copyright 2006 TAC. All Rights Reserved. F-27382-1
Specifications
Typical Applications
Figure 1 Typical Wiring for 4 to 20 mA Output with Internal Power Supply.
Sensing element
RH sensing element Thin-film capacitive, digitally profiled.
Temperature element Optional 1K platinum, 10K thermistor, or 10K thermistor with 11K shunt.
Accuracy
RH ± 2% or ± 3% at 10 to 90%.
Stability ± 1% at 68°F for two years.
Operating range 0 to 100% RH.
Temperature coefficient ± 0.1% RH °C over 0 to 60 °C.
Inputs
4 to 20 mA Two-wire 12 to 24 Vdc 30 mA. Minimum 750 ohm max loop resistance.
Vdc
0 to 5 or 0 to 10 Vdc, 12 to 24 Vdc or 24 Vac. 15 mA minimum. 24 Vac is a half wave device. Refer to
EN 206 (F-26363) for wiring.
Output
RH 4 to 20 mA Two-wire non-polarity sensitive.
RH 0 to 5 or 0 to 10 Vdc Three-wire observe polarity.
Temperature Optional 10K , 10K thermistor with 11K shunt, or 1K platinum.
Environment
Ambient temperature limits
Shipping and storage: -58 to 185°F (-50 to 85°C).
Operating: -58 to 122°F (-50 to 50°C).
Humidity 0 to 100% non-condensing.
Locations Wall NEMA 1.
Wall housing High impact ABS plastic, plenum rated UL 945va. White.
Mounting Inside wall.
Dimensions 4-3/4 H x 3-1/8 x 15/16 D in. (121 x 79 x 24 mm).
RH
Transmitter
1
Out
3
1 Optional temperature sensor.
24 Vac
Controller
w/24 Vdc
PS
4-20 mA loop
750 ohm max
COM
+
–
L1
L2
1
2
4