H7015A,B
DUCT HUMIDITY SENSOR/ COMBINED HUMIDITY/TEMPERATURE SENSOR
PRODUCT DATA
FEATURES
GENERAL
The H7015A Duct Humidity Sensor is a capacitance-type relative humidity sensor for duct mounting.
The H7015B Combined Humidity / Temperature Duct Sensor combines a capacitance type relative humidity sensor with a Pt 1000, BALCO 500 or 20kΩ NTC temperature sensor in one housing.
These sensors can be used
•for discharge, outside or return air control
•as high limit sensor e.g. for steam humidification
Models
OS-No. |
Temperature Sensor Type |
H7015A1006 |
- |
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H7015B1004 |
Pt 1000 |
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H7015B1012 |
BALCO 500 |
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H7015B1020 |
20kΩ NTC |
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•Pt 1000, BALCO 500, or 20kΩ NTC temperature sensing element
•Wide sensing range
•Capacitance type sensing element for relative humidity
SPECIFICATION
Power supply |
24 Vac, ±20% (SELV) |
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15…30 Vdc |
Current consumption |
15 mA at 24 V |
Ambient Limits |
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Operating temperature |
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- Terminal box |
0...50 °C (32...122 °F) |
Transport and |
-25...+60 °C (-31...+158 °F) |
storage temperature |
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Humidity |
5...95% rh, non-condensing |
Safety |
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Protection class |
III as per EN60730-1 |
Protection standard |
|
- Terminal box |
IP54 as per EN60529 |
Flame retardant |
V1 as per UL94 |
terminal box |
plastic (ABS) |
Dimensions |
see Fig. 2 |
Weight |
300 g |
Mounting |
duct |
Temperature Sensor
Temperature sensing range -30...+70 °C (-22...+158 °F)
Nominal value |
|
- Pt 1000 |
1000 Ω at 0 °C |
- BALCO 500 |
500 Ω at 23.3 °C |
- NTC |
20 kΩ at 25 °C |
Accuracy |
∆T/K = ±(0.3 + 0.005 • t ) [t in °C] |
- Pt 1000 |
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as per DIN IEC 751 Class B |
- BALCO 500 |
±0.4 K at 23.3 °C |
- NTC |
±0.3 K at 25 °C |
Sensitivity |
|
- Pt 1000 |
≈3.85 Ω/K |
- BALCO 500 |
2 Ω/K |
Characteristic |
see EN0B-0476GE51 |
Response time at air velocity 5 m/s |
|
τ0.5 Pt 1000 |
< 60 s |
τ0.5 Balco 500 |
< 45 s |
τ0.5 NTC |
< 85 s |
Copyright © 2009 Honeywell Inc. • All Rights Reserved |
EN0B-0290GE51 R0209 |
H7015A,B DUCT HUMIDITY SENSOR / COMBINED HUMIDITY/TEMPERATURE SENSOR
Relative Humidity Sensor |
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Sensitivity |
10 mV / %rh or 100 mV / % rh |
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Humidity sensing range |
5... |
95% rh |
Accuracy |
at 25 °C / 24 Vac |
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Output signal |
0... |
1 Vdc / 0... |
10 Vdc |
5... |
10% rh |
±10% |
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0...100% rh |
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10... |
30% rh |
± 5% |
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Output Impedance |
1 V range |
183 Ω |
30... |
70% rh |
± 3% |
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10 V range |
274 Ω |
70... |
90% rh |
± 5% |
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Outputs short circuit protected |
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90... |
95% rh |
±10% |
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Response time |
τ0.5 ≈ 6 s at air velocity 5 m/s |
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OVERVIEW
The following sensors can be employed for the listed control systems:
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control systems |
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temperature |
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humidity |
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Pt 1000 |
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20kΩ NTC |
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BALCO 500 |
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0...1 Vdc |
0...10 Vdc |
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Excel Classic |
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Excel Plus |
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X |
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High Performance Excel Plus |
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X |
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X |
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X |
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Excel EMC |
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X |
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Excel 500/600 (XF521) |
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X |
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Excel 500/600 (XF526) |
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X |
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Excel 20 & 50 |
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Excel 80B & 100B |
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X |
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X |
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Excel IRC Multicontroller R7451A1030 |
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X |
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X |
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MicroniK 100 |
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X |
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X |
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MicroniK 100 “NEW“: R7420B1036/R7420F1045 |
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X |
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X |
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X |
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MicroniK 200 |
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X |
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X |
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INSTALLATION
Wiring
wiring run |
maximum length |
sensor to controller |
200 m (660 ft) |
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Offset for temperature sensor due to wire resistance per 10 m distance from sensor to controller:
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type of wire |
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temperature offset |
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Pt 1000 |
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BALCO 500 |
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NTC |
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0.5 mm2 |
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0.18 K (0.324 °F) |
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0.3 K (0.54°F) |
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(AWG20) |
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1.0 mm2 |
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0.09 K (0.162 °F) |
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0.15 K (0.27°F) |
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negligible |
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(AWG17) |
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1.5 mm2 |
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0.06 K (0.108 °F) |
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0.1 K (0.1°F) |
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(AWG15) |
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NOTE: Installation of the sensor near high EMI-emitting devices may lead to faulty measurements.
Use shielded wiring in areas with high EMI.
Keep 15 cm (5.9’’) min. distance between sensor lines and 230 Vac power lines.
Use two transformers: one for sensors and actuators and one for the controller.
EN0B-0290GE51 R0209 |
2 |
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