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Compact flow monitor (incl. sensor) RLSW7 with relay output for monitoring liquid media

SKU: 74398/46

Description

✅ Flow monitors for water and air flows

✅ Robust stainless steel sensor housing for industrial environments

✅ Type tested by TÜV NORD in accordance with DIN EN 61010-1: 2011-07

Sensitive and infinitely adjustable switching point for both liquids (0.03 ... 3 m/s) and gases (0.5 ... 20 m/s)

With switching output ( 1 NO/ 1 NC)

✅ Exemplary areas of application: Monitoring of air and water flows, cooling circuits with up to 30% glycol content, pump monitoring

Immersion depth
Power supply
Process connection
€240,60
Shipping will be charged at checkout.

TÜV type examination: Download

Operating instructions EN: Download

Operating instructions EN: Download

Specification
  • Medium
    Liquids, gases
  • Device type
    Compact flow device
  • Device type
    Compact device including sensor (permanently mounted)
  • Flow measuring range
    Air: 0.5 m/s ... 20 m/s , Water: 0.03 m/s ... 3 m/s
  • Display
    yellow LED at flow velocities > switching point, green LED during operation
  • Switching point
    Stepless adjustment (potentiometer)
  • Protection class evaluation unit
    IP65
  • Sensor protection class
    IP67
  • Output signal
    Switching output
  • Signal output sensor break
    Relay drops out
  • Signal output Sensor short circuit
    Relay picks up on flow (changeover contact)
  • Immersion depth
    46, 48, 68, 150
  • Process connection
    G1/2-inch, G1/4-inch
  • Housing material
    UL94-V0, polyamide
  • Material sensor
    Stainless steel, 1.4305
  • Compressive strength
    20 bar
  • Housing material
    UL94-V0, polyamide
  • Housing dimensions
    56 mm x 84 mm x 80 mm
  • Power supply
    24 V AC/DC ±5%, 230 V AC ±6%
  • Electrical connection
    5 terminals (2.5 mm²)
  • Power consumption max
    3 VA at 24 V AC/DC, 4.5 VA at 230 V AC
  • Current and contact load capacity
    250 VAC, 6 A, 1.5 kVA
  • Minimum switching capacity
    10 mA/ 5 V DC
  • Ambient temperature
    -20 ... 60°C
  • Optimal run-in distance
    >5 DN
  • Optimal run-out distance
    >3 DN
  • Temperature gradient
    15K/min
  • Certificates
    CE, Type-tested TÜV Nord according to DIN EN 61010-1 2011-07
  • Country of origin
    Germany
  • Customs tariff number
    90 26 80 20
  • HS Code
    90 26 80
  • Pollution class
    II

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Compact flow monitor (incl. sensor) RLSW7 with relay output for monitoring liquid media

From €225,40

✅ Flow monitors for water and air flows

✅ Robust stainless steel sensor housing for industrial environments

✅ Type tested by TÜV NORD in accordance with DIN EN 61010-1: 2011-07

Sensitive and infinitely adjustable switching point for both liquids (0.03 ... 3 m/s) and gases (0.5 ... 20 m/s)

With switching output ( 1 NO/ 1 NC)

✅ Exemplary areas of application: Monitoring of air and water flows, cooling circuits with up to 30% glycol content, pump monitoring

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

46, 48, 68, 150

Accuracy of the atmospheric pressure

Weight

Insulation resistance

Material connection head

Material sensor

Stainless steel, 1.4305

Response time

Enclosure protection class

Type of sensor element

Ambient temperature

-20 ... 60°C

ATEX certification

Fastening strap specification

Housing dimensions

56 mm x 84 mm x 80 mm

Device type

Compact device including sensor (permanently mounted)

Device type

Compact flow device

Sensor cable length

Conformity

Housing material

UL94-V0, polyamide

Temperature measuring range

Temperature measuring accuracy

Product type Temperature

Silver level

Ambient temperature Device

Operating pressure

Medium

Liquids, 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%, 230 V AC ±6%

Manufacturer

Product type HVAC

Analog signal

Power consumption max

3 VA at 24 V AC/DC, 4.5 VA at 230 V AC

Maximum pressure

Display

Electrical connection

5 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

20 bar

Media temperature

Product type

Process connection

G1/2-inch, G1/4-inch

Temperature gradient

15K/min

Measuring resistor

Differential pressure max

Accuracy of the output signal LCD Modbus

Flow measuring range

Air: 0.5 m/s ... 20 m/s , Water: 0.03 m/s ... 3 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, 6 A, 1.5 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 picks up on flow (changeover contact)

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

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