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Capacitive Humidity and Temperature Probes for Squirrel Data
Loggers
For applications requiring both temperature and humidity monitoring,
e.g. museums, art galleries, weather stations, electronic enclosures,
computer rooms, incubators, provers, cold stores.
Squirrel input required: V/C input type
Type VH-G-Z3-O 
| Construction |
Robust
ABS housing with dust and pollution protection |
| Dimensions (mm) |
L
240, Handle Dia. 24, Body Dia. 18.5. |
| Lead |
3m
supplied |
| Lead options |
up
to 100m |
| Humidity Sensor |
Vaisala
HUMICAP™ |
| Operating range |
0
to 100% Relative Humidity |
| Accuracy (20°C)
|
±
1% RH against factory reference
± 2% RH against field references (0-90%
rh)
± 3% RH against field references (90 to 100% rh) |
| Temperature Sensor
|
U
(Thermistor) |
| Temperature Range |
-40
to 60°C |
| Response Time |
15s
(membrane filter fitted. Start -up <1s) |
| Stability |
High
under all conditions. Negligible hysteresis |
Type RH-G-Z2-O
| Construction |
Polycarbonate
housing with dust and pollution protection |
| Dimensions (mm) |
L
165, Dia 15mm |
| Lead |
2m
supplied |
| Lead options |
(with
amplifier) 5m to 100m |
| Humidity
Sensor |
Rotronic
HYGROMER™ |
| Operating range |
0
to 100% Relative Humidity |
| Accuracy (20°C)
|
±
1.5% RH |
| Temperature Sensor
|
Pt100
1/3DIN |
| Temperature Range |
-40
to 85°C |
| Response Time |
<
0.7s (start-up 3s) |
| Stability |
<
1% RH/year |
Note: The probe requires 2 V/C inputs on the datalogger. A built-in amplifier
converts the inbuilt temperature sensor and humidity sensor to individual
voltage outputs. The probe is powered from the logger.
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