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Universal air flow sensor SS 20.250
Compact, universal air flow sensor to measure air flow speed and air flow volume/with dumbbell head technology/ measurement in dust-laden gas performable

With this device a universal air flow sensor for direct measurement of the air flow speed and of air flow volume in different gas types is provided. The compact design of the universal air flow sensor allows an easy installation of the little all-rounder. Due to the innovative dumbbell head technology, positioning the universal air flow sensor is even at large upstream flow angle (axial ± 45°; radial: 360°) possible. Throughout the temperature range (-20…+70 °C) the lower detection limit of the speed lies around 0.06 m/s, measurable are air flow speeds up to 20 m/s. With an optional purchasable protection cover the universal air flow sensor is even applicable in aggressive mediums like salt or sulphuric acid. Furthermore aside from diverse equipment parts, available on demand is an ISO calibration certificate for documentation of measuring accuracy of the universal air flow sensor. Therefore this device is especially applicable for checking, controlling and monitoring of aerators, filter elements and suction plants in areas of ventilation and climate technologies or in the pharmaceutical industry.  For further information about the Universal air flow sensor SS 20.250, please read the following technical data or call our Hotline: +44 (0)2380 987030. Our engineers and technicians will gladly advise you with the Universal air flow sensor SS 20.250 or all other products in the terms of regulation and control, scales and balances of PCE Instruments.

User manual for the universal air flow sensor  EC certificate for the universal air flow sensor  Video of the universal air flow sensor  universal air flow sensor: Software.  Technical specifications for the universal air flow sensor  Information for the universal air flow meter

Universal Air Flow Sensor SS 20.250

- Operation indicated by duo-LED
- Atmospheric operating pressure 
- Measuring range up to 20 m/s
- Optional protection cover

- Even for aggressive gases 
- Sensor head made of PBT
- Sensor tube made of stainless steel 
- Problem-free cleaning 

Technical data about universal air flow sensor 

Measure variable  

Proper speed wN based in standard conditions with 20 °C and 1013.25 hPa, 
Medium temperature TM 

Test medium 

Air or azote, further gasses on order 

Measuring range air flow wN 

0…1/ 10/ 20 m/s 

Lower detection threshold wN  

0.06 m/s

Measuring range temperature TM  

-20…+70 °C

Measuring accuracy 

 

Standard 

 ± (5 % from avrg. + [0.4 % from measuring range; min. 0.02 m/s])

High precision (option)  

± (3 % from avrg. + [0.4 % from measuring range; min. 0.02 m/s])

Reproducibility wN:

± 1.5 % from measuring value

Response time t90 wN

3 sec. (jump from 0 to 5 m/s air) 

Temperature gradient wN

< 2 K/min @ 5 m/s

Measuring accuracy TM 

± 0.4 K (10 ... 30 °C)
± 1 K remaining measuring range 

Operation temperature 

 

Measuring sensor and electronics 

-20 °C...+70 °C

Storage temperature

-30 °C…+85 °C

Material  

 
Sensor tube:

stainless steel 1.4571

Sensor head

PBT fibre-glass reinforced, aluminium anodised

Connection cable

PUR halogen free

General data 

 

Medium, environment 

Non-condensing (up to 95% RH)

Operation pressure 

Atmospheric (700…1300 hPa) 

Display

Duo LED green/red 

Voltage Supply  

24 V AC/DC ± 10 %, max. 100 mA 

Charging rate 

Type < 60 mA 

Output signal for 
temperature and air flow Auto U/I 

0…10 V/4…20 mA (protected from short-circuit) voltage output: >500 Ω, 
current output: <500 Ω, 
hysteresis: 50 Ω 

Connection 

Plumbed cable, 5- pole, length 2 m 

Permissible conductor length

100 m max

Installation position  

Arbitrary 

Min. submergence 

58 mm (< 58 mm on demand) 

Protection type/ Protection class  

IP 65 / III

Sensor length

300/ 500 mm

Weight

200 g max

Delivery content of universal air flow sensor  

1 x universal air flow sensor (depending on model), 1 x instruction manual 

Purchasable equipment for universal air flow sensor 

Through bolt made of stainless steel (art. nr. 301082), atmospheric pressure 

universal air flow sensor through bolt stainless-steel 250

Through bolt made of brass (art. nr. 517206), atmospheric pressure 

universal air flow sensor through bolt brass

Mounting flange (art. nr. 301048) 

universal air flow sensor mounting flange

Welded sleeve (art. nr. 524916 (steel) or art. nr. 524882 (stainless steel) 

universal air flow sensor welded sleeve
Further information about the Universal Air Flow Sensor return to homepage.

In the following, you can see more products in the field of Frequency Analyzers

- Air flow sensor EE 65
  (Air flow sensor,  pipe-&wall-installation, very precise, air flow, voltage output)

Air flow sensor,  pipe-&wall-installation, very precise, air-flow, voltage output

- Air flow sensor EE 75
  (determines the air flow rate, available in diverse types)

air-flow sensor,determines the flow rate of air, available in diverse types

- Air flow sensor EE 575
  (Measurement up to 20 m/s, compact dimension, for industrial application)

air-flow sensor, Measurement up to 20 m/s, compact dimension, for industrial application

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

This page in German Universal Air Flow Sensor SS 20.250 in German. in Italian Universal Air Flow Sensor SS 20.250 in Italian. in Spanish Universal Air Flow Sensor SS 20.250 in Spanish. in Croatian Universal Air Flow Sensor SS 20.250 in Croatian. in French Universal Air Flow Sensor SS 20.250 in French. in Hungarian Universal Air Flow Sensor SS 20.250 in Hungarian.  
in Turkish Universal Air Flow Sensor SS 20.250 in Turkish. in Polish Universal Air Flow Sensor SS 20.250 in Polish. in Russian Universal Air Flow Sensor SS 20.250 in Russian. in Dutch Universal Air Flow Sensor SS 20.250 in Dutch. and in Portuguese Universal Air Flow Sensor SS 20.250 in Portuguese.

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

 Gas detectors
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 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

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

Noise Meters

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

 Recoders Data
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 Relat. Humidity meters
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Tachometers
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Tester (Conductivity) Tester (Earth)
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Tester (pH)
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Tester (Temperature)
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Thickness Meters
Turdibity Meters

Ultrasonic Flow Meters

VDE tester
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