Arthur Grillo PFT25 Инструкции по эксплуатации и установке - Страница 13
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Warranty
Warranty and liability claims for personal and property damage are excluded if they are
caused by one or more of the following reasons:
•
Improper use of the device.
•
Improper installation, commissioning, operation and maintenance of the device.
•
Unauthorized modifications to the device beyond the intended use.
•
Disasters due to external influences and force majeure.
8.
Troubleshooting
Description
Display does not show anything Check electrical connection
Measurement stays zero
Measuring error
9.
Disposal
Dispose of parts so as not to endanger human health or the environment. Follow the laws
in the country of use for disposing of electronic components and devices during disposal.
10.
Technical details
Sensor:
Optional
sensor protection:
(Order no.: 72194)
Relative humidity:
Resolution:
Characteristics:
Reaction time:
Long term stability:
Reproducibility:
Tolerance:
Maßnahme
Check the sensor element
Contact manufacturer
Single-chip sensor for relative humidity and temperature with
digital signal transmission and calibration memory on the chip.
Sensor tip on the sensor element with a filter made of sintered
bronze for protection against direct moisture and dust (filter
class CA75)
12 bits
linear (digital linearization)
approx. 4 seconds (63% time, slightly moving air)
typical <1% rh per year
Standard sensor:
±0.1% rh
±3.5% rh at 30...70% rh
±5.0% rh at 0...29% rh
±5.0% rh at 71...100% rh
Doc.-no.: PFT_01_EN
Sensor with restricted tolerance:
±0.1% rh
±2.0% rh at 10...90 % rh
±4.0% rh at 0...9% rh
±4.0% rh at 91...100% rh
Issue: 05/2017
OPERATION
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