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Evaluation unit NLSW45-4 with relay output for monitoring the flow of liquids

SKU: 74297

Description

Flow monitor for monitoring liquids

With switching output (1 NO/ 1 NC) suitable for control cabinet installation, robust stainless steel sensor housings for industrial environments available separately

Large measuring range for flow monitoring of liquids (0.03 ... 3 m/s) and gases (0.5 ... 20 m/s)

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

Sensitive and infinitely adjustable switching point

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

Operating voltage
€170,70
Shipping will be charged at checkout.

Operating instructions EN: Download

Operating instructions EN: Download

Specification
  • Medium
    Liquids, gases
  • Device type
    Flow evaluation unit for switch cabinet installation
  • Flow measuring range
    Air: 0.5 ... 20 m/s, Water: 0.05 ... 3 m/s
  • Media temperature
    -15 ... 80°C
  • Display
    LED (voltage & switching point)
  • Switching point
    Stepless adjustment (potentiometer)
  • Protection class evaluation unit
    IP40
  • Special features
    closed probe
  • Output signal
    Switching output
  • Switching output specification
    1 changer
  • Signal output sensor break
    Relay drops out
  • Signal output Sensor short circuit
    Relay drops out
  • Relay output specification
    1 changer
  • Housing material
    Polycarbonate glass fiber reinforced (UL94V-0)
  • Housing material
    Polycarbonate glass fiber reinforced (UL94V-0)
  • Weight
    190 g
  • Housing dimensions
    120 mm x 45 mm x 73 mm
  • Assembly
    DIN rail
  • Power supply
    24 V AC/DC ± 5%, 230 V AC ± 6%
  • Electrical connection
    Terminal strip
  • Power consumption max
    3 VA
  • Recommended cable cross-section
    2.5 mm²
  • Current and contact load capacity
    250 VAC, 8 A, 2 kVA
  • Minimum switching capacity
    10 mA/ 5 V DC
  • Ambient temperature
    -20 ... 50°C
  • 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

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Evaluation unit NLSW45-4 with relay output for monitoring the flow of liquids

€170,70

Flow monitor for monitoring liquids

With switching output (1 NO/ 1 NC) suitable for control cabinet installation, robust stainless steel sensor housings for industrial environments available separately

Large measuring range for flow monitoring of liquids (0.03 ... 3 m/s) and gases (0.5 ... 20 m/s)

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

Sensitive and infinitely adjustable switching point

Example areas of application: Monitoring of air and water flows, cooling circuits 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

Immersion depth

Accuracy of the atmospheric pressure

Weight

190 g

Insulation resistance

Material connection head

Material sensor

Response time

Enclosure protection class

Type of sensor element

Ambient temperature

-20 ... 50°C

ATEX certification

Fastening strap specification

Housing dimensions

120 mm x 45 mm x 73 mm

Device type

Device type

Flow evaluation unit for switch cabinet installation

Sensor cable length

Conformity

Housing material

Polycarbonate glass fiber reinforced (UL94V-0)

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

Maximum pressure

Display

Electrical connection

Terminal strip

Operating temperature

Product type fill level

Relay output specification

Load resistance

Ambient humidity

Ambient temperature Maximum Celsius

Ambient temperature (min. °C)

Compressive strength

Media temperature

-15 ... 80°C

Product type

Process connection

Temperature gradient

Measuring resistor

Differential pressure max

Accuracy of the output signal LCD Modbus

Flow measuring range

Air: 0.5 ... 20 m/s, Water: 0.05 ... 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, 8 A, 2 kVA

Power supply tolerance

Overvoltage category

Pollution class

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

2.5 mm²

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

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