SEIKOM Electronic - TÜV-certified quality for over 30 years. Trust in our experience.

30 years of experience | TÜV-tested quality | ISO9001-certified | Shipping within 24 hours | Contact us now

New white paper
Now available: Free white paper on our latest measurement and control technologies!
Download here!

Compact flow monitor RLSW4R with relay output (NO), measuring range gases 0.1 ... 15 m/s

SKU: 74825R/50

Description

Compact air flow monitor with switching output (1 NO)

✅ Flow monitoring in the smallest installation space - ideal as an OEM solution, e.g. for soldering systems, extractor hoods, air curtain systems

Robust sensor design with protection class IP67

S witching point continuously adjustable between 0.1 ... 15 m/s (extended measuring range available with RLSW5)

Exemplary areas of application: Monitoring of fans, heating registers, extraction, soldering and air curtain systems

Immersion depth
€130,20
Shipping will be charged at checkout.

Operating instructions EN: Download

Operating instructions EN: Download

Specification

  • Medium
    Gases
  • Device type
    Compact flow device
  • Device type
    Compact device including sensor (permanently mounted)
  • Flow measuring range
    0,1 ... 15 m/s
  • Media temperature
    -10 ... 80°C
  • Display
    yellow LED at flow velocity > switching point, green LED during operation
  • Switching point
    Stepless adjustment (potentiometer)
  • Protection class evaluation unit
    IP65
  • Sensor protection class
    IP67
  • Enclosure protection class
    IP65
  • Output signal
    Switching output
  • Switching output specification
    Relay picks up on flow (normally open contact)
  • Signal output sensor break
    Relay drops out
  • Signal output Sensor short circuit
    Relay drops out
  • Relay output specification
    Relay picks up on flow (normally open contact)
  • Immersion depth
    50 mm, 140 mm, Special lengths on request
  • Process connection
    PG7, optional G1/2-inch, G1/4-inch by means of reducer
  • Housing material
    Polycarbonate, UL94-V2
  • Material sensor
    MS58, nickel-plated, Stainless steel available as an option
  • Compressive strength
    10 bar
  • Housing material
    Polycarbonate, UL94-V2
  • Weight
    from 118 g
  • Housing dimensions
    85 mm x 50 mm x 35 mm
  • Power supply
    24 V AC/DC ±5%
  • Electrical connection
    4 terminals (2.5 mm²)
  • Power consumption max
    1 VA
  • Current and contact load capacity
    250 VAC, 5 A, 1.2 kVA
  • Minimum switching capacity
    10 mA/ 5 V DC
  • Ambient temperature
    -20°C ... 60°C
  • Optimal run-in distance
    >5 DN
  • Optimal run-out distance
    >3 DN
  • Temperature gradient
    15K/min
  • Certificates
    CE
  • Country of origin
    Germany
  • Customs tariff number
    90 26 80 20
  • HS Code
    90 26 80
  • Pollution class
    II

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Compact flow monitor RLSW4R with relay output (NO), measuring range gases 0.1 ... 15 m/s

From €130,20

Compact air flow monitor with switching output (1 NO)

✅ Flow monitoring in the smallest installation space - ideal as an OEM solution, e.g. for soldering systems, extractor hoods, air curtain systems

Robust sensor design with protection class IP67

S witching point continuously adjustable between 0.1 ... 15 m/s (extended measuring range available with RLSW5)

Exemplary areas of application: Monitoring of fans, heating registers, extraction, soldering and air curtain systems

Availability

Power consumption

Specification Response time (s)

Minimum pipe diameter

Measuring range temperature Filter

HS Code

90 26 80

Output power min.

Moisture resolution

Analog output specification

Product type Flow

Sensor protection class

IP67

Immersion depth

50 mm, 140 mm, Special lengths on request

Accuracy of the atmospheric pressure

Weight

from 118 g

Insulation resistance

Material connection head

Material sensor

MS58, nickel-plated, Stainless steel available as an option

Response time

Enclosure protection class

IP65

Type of sensor element

Ambient temperature

-20°C ... 60°C

ATEX certification

Fastening strap specification

Housing dimensions

85 mm x 50 mm x 35 mm

Device type

Compact device including sensor (permanently mounted)

Device type

Compact flow device

Sensor cable length

Conformity

Housing material

Polycarbonate, UL94-V2

Temperature measuring range

Temperature measuring accuracy

Product type Temperature

Silver level

Ambient temperature Device

Operating pressure

Medium

Gases

Pressure measuring range

Product type Print

Test mark

Switching differential

Switching capacity

Switching point

Stepless adjustment (potentiometer)

Operating voltage

Digital output

Own consumption

Measuring range CO₂

Measuring accuracy relative humidity

Product type Humidity

Reaction time measurement Co.

Power supply

24 V AC/DC ±5%

Manufacturer

Product type HVAC

Analog signal

Power consumption max

1 VA

Maximum pressure

Display

Electrical connection

4 terminals (2.5 mm²)

Operating temperature

Product type fill level

Relay output specification

Load resistance

Ambient humidity

Ambient temperature Maximum Celsius

Ambient temperature (min. °C)

Compressive strength

10 bar

Media temperature

-10 ... 80°C

Product type

Process connection

PG7, optional G1/2-inch, G1/4-inch by means of reducer

Temperature gradient

15K/min

Measuring resistor

Differential pressure max

Accuracy of the output signal LCD Modbus

Flow measuring range

0,1 ... 15 m/s

Signal output

Process connection 1

Switching function with flow

Signal display with flow

Signal output flow

Analog output

Notes

Minimum switching capacity

10 mA/ 5 V DC

Optimum run-out distance

Optimum run-in distance

Reproducibility of the output signal

Signal display circuit

Current and contact load capacity

250 VAC, 5 A, 1.2 kVA

Power supply tolerance

Overvoltage category

Pollution class

II

Analog input_CO_

Digital input

Measuring range relative humidity

Potentiometer

Potentiometer output

Scale range

Analog input

Analog input_CO2

Installation depth

Digital outputs

Digital inputs

Error inputs

Ambient temperature1

Color

Output signal

Switching output

Recommended cable cross-section

Signal output Sensor short circuit

Relay drops out

Signal output sensor break

Relay drops out

Outside diameter

Inner diameter

Thread

Temperature range

Lining

Diameter

Flow measurement accuracy

Setting range

Sensor response length

Capillary tube length

Protection class

Material

Measuring accuracy pressure relative

Temperature compensation

Country of origin

Germany

Vacuum resistance

Hysteresis

Repeatability

Material contact

Bursting pressure

Measuring range atmospheric pressure

Measuring range pressure V2

Short-circuit protection

Max Bürde

Reverse polarity protection

Accuracy of VOC measurement

Measuring range VOC

Media compatibility

Overload pressure

Alarm

Measuring range VOC1

Relay output

Power (kW)

Heat dissipation

Minimum load

Supply output

Cable trenches

Storage temperature

Fuse

Measuring accuracy_CO_

Front cover

Interface

Power supply

Efficiency

Long-term stability

Preset switching point

Customs tariff number

90 26 80 20

Pulley

Media temperature Max

Media temperature min

Show product

Welcome to Shopify Store

I act like: