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Humidity sensor PCE-P18
Humidity sensor measures temperature and air humidity / output as standard signal / compact / Modbus RTU interface / wall fastening

The humidity sensor PCE-P18 can be used to monitor air humidity and temperature in HVAC engineering. The humidity sensor PCE-P18 releases the measured indicator as a standard signal 4…20 mA (not galvanic isolated). Air humidity and temperature are detected accurately due to a semiconductor. For operation the humidity sensor PCE-P18 is supplied via direct current. The measuring data is then shown via a two-wire line. All connections are made via screwed-contacts with water-proof IP 65 enclosure. Aside from displaying the signal as a 4…20 mA signal the measuring data can also be read through a RS485 interface. This feature is especially useful if different measuring points are to be connected during your building monitoring. For further information about the humidity sensor PCE-P18 please read the following technical data or use our contact form. Our engineers and technicians will gladly advise you regarding the humidity sensor PCE-P18 or any other of PCE Instruments product in the areas of regulation and control or scales and balances. Here you will find a further humidity sensor with similar features or an overview of further humidity sensors for various fields of application in industry or research.

Humidity sensor PCE-P18   EC certificate for the Humidity sensor PCE-P18  Video for the Humidity sensor PCE-P18  Humidity sensor PCE-P18: Software.  Technical specifications for the Humidity sensor PCE-P18  Information for the Humidity sensor PCE-P18

Humidity sensor PCE-P18

- Humidity- and temperature-sensor
- 4…20mA output
- Simple wall fastening
- RS-485 interface

- For constant monitoring
- Different filters deliverable
- Small measuring
- Modbus RTU

Technical data humidity sensor PCE-P18

Humidity

Measuring range

0 ... 100 %RH

Accuracy

± 2 % (for range of 10 % .... 90 % RH)
± 3 % (residual range)

Hysteresis

± 1 % RH

Temperature

Measuring range

- 20 ... 60 °C

Accuracy

± 0.5 % of measuring range

Temperature influence

± 25 % / 10 °C

Output humidity sensor

Electricity

4 ... 20 mA

Maximum suitable resistance at output

≤ 500 Ω

Data interface

RS-485 Modbus RTU

Mode of transmission

8N1, 8N2, 8E1, 8O1

Signal rate

4800 Bit/s
9600 Bit/s
19200 Bit/s
38400 Bit/s
57600 Bit/s

General technical data humidity sensor 

Voltage supply

19 V ... 30 V DC

Power

< 1.5 W

Surrounding temperature

- 30 °C ... 85 °C

Max. air humidity

≤ 95 % RH

Preheating time

15 minutes

Protection grade

IP 65

Montage

wall montage

Measures (AxHxD)

35 x 58 x 118 mm

Weight

125 g

4 ... 20 mA Interfaces

Both 4…20mA interfaces are not isolated galvanic from one another. To use both signals we advise you to use the signal converter PCE-P171

Delivery content:

1 x temperature converter PCE-P18, 1 x instruction manual

Available variations of humidity sensor PCE-P18

Humidity sensor PCE-P18-1

RS-485 Modbus Interface

Humidity sensor PCE-P18-2 

RS-482 Modbus interface with 4…20 mA output

Additional equipment for temperature converter PCE-P18

Humidity sensor PCE-P18 Diaphragm filter

Diaphragm filter
PTFE laminated synthetic enclosure, porosity: 1 µm, temperature: max. 80° C, Reaction time up to T90: 15 s, for interiors with low contamination

Humidity sensor PCE-P18 PTFE filter

PTFE filter
PTFE, sintered, porosity: 50 µm, temperature: max. 180° C, reaction time up to T90: 14 s, for application in chemistry

Humidity sensor PCE-P18 Sinter filter

Sinter filter
bronze, sintered, porosity: 60 µm, reaction time up to T90: 10 s, for application in high pollution, protection against mechanic damage

Technical information about the Humidity sensor PCE-P18 return to homepage.
Here you will find an overview of all the measuring instruments available at PCE Instruments.

Contact:
PCE Instruments UK Limited
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone: +44(0) 23 809 870 30
Fax: +44(0) 23 809 870 39

Contact:
PCE Americas Inc.
711 Commerce Way suite 8
Jupiter 33458 FL
USA
Phone: +1-410-387-7703
Fax: +1-410-387-7714

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Below you will find an overview of the different product groups of measuring instruments

 Absolute Humidity Meters
 Accelerometers
 Alert Meters
 Air velocity meters
 Analyzers (Colour)
 Analyzers (Gas)
 Analyzers (Lan)
 Analyzers (Noise)
 Analyzers (Oxygen)
 Analyzers (Ozono)
 Anemometers
 Barometers
 Borescopes

Cable detectors (electrical)
Calibrators
Cameras (Infrared Thermal Imaging)
Capacitance Meters
Coating Thickness Meters
Chlorine Meters
Clamp Meters
Climate Meters
Colour Meters
Conductivity Meters
Contact Thermometers
Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
Densimeters
Detectors (Humidity, Radiation, Voltage)
Dose Meters (Noise)

 Earth meters
 Endoscopes
 Environmental Meters

 Fiberscopes
 Flow Meters Air
 Flow Meters Gas
 Force Gauges (digital)
 Frequency Meters

 Gas detectors
 Geiger Counter

 Handheld Tachometers
 Hardness Meters
 Humidity Testers
 (Building material)
 
Hygrometers

Indicator Sound Level
Indicators (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Isolation Meters

Lan Network Testers
Laser Distance Meters
Laser level
Laser meters
Laser thermometers
LCR Meters
Length Meters
Light Meters
Lux Meters

 Magnetometers
 Manometers
 Material Thickness meters

 Measurement Devices
 (Force)
 Measuring Meters
 (Distance)
 Measuring Wheels
 Meters (Distance)
 Meters (Ozone) 
 Meters (Gas) 
 Meters (Gloss)
 Meters (pH)
 Meters (Power)
 Meters (Pressure)  
 Meters (Radiation)
 Meters (Temperature)  
 Micrometers
 Microscopes
 Modular signal 
 Converters
 Moisture Indicator
 Multimeters
 Multi-Parameter    
 photometers

Noise Meters

 Odometers
 Ohm Meters
 Oscilloscopes
 Oxygen Meters
 Paper Moisture Meters
 Penetrometers
 Pitot tube air flow
 meters
 Pocket pH-meters
 Power Analyzers
 Pressure Gauges
 Pyrometers
 Quality Meters (Air)
 Radiation Counters
 Radioactivity meters
 Reader (Temperature)

 Recoders Data
 Redox Meters
 Refractometers

 Relat. Humidity meters
 Rotation meters
 Roughness tester
 Salt Meters
 Sensor (Temperature)
 Signal Level Analyzers
 Single-parameter  
 Photometers
 Sound Level Meters
 Systems for 
 Environmental
 Stethoscopes 
 (electronic)
 Stroboscopes
 Surface Thickness 
 meters

Tachometers
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Thermo-anemometers
Thermo-Hygrometers
Temperature Probes
Testers (Air)
Tester (Conductivity) Tester (Earth)
Tester (Electric)
Tester (Insulation)  Tester (Noise)
Tester (pH)
Tester Resistance Tester (Sound)
Tester (Temperature)
Thermal stress
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Thickness Meters
Turdibity Meters

Ultrasonic Flow Meters

VDE tester
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Below you will find an overview of the different product groups of scales and scales

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