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ISO

IWSL series

Water approved Submersible Level Transmitter - Silicon Sensor

Electrical Protection

Supply reverse polarity

No damage/no function

Lightning protection

Internally fitted

Electromagnetic compatibility CE Compliant

Mechanical Stability

Shock

100g / 11s

Vibration

10g RMS (20 - 2000Hz)

Temperatures & Thermal Effects

Media Temperature

-20ºC (Non-freezing) to

+60ºC

Storage temperature

-20ºC to +70ºC

Compensated temperature range

20ºC±25ºC

Thermal Zero Shift (TZS)

<±0.02% /FS/ºC (option code 2)

<±0.01% /FS/ºC (option code 1)

Thermal Span Shift

<±0.01% /ºC

Material Specifications

Housing

316L Stainless Steel

“O” ring seals

EPDM (Parker Elastomer E70C438)

Diaphragm

316L Stainless Steel

Cable sheath material

Polyurethane

Media wetted parts Housing, “O” ring seal, diaphragm, cable sheath

Weight

Transmitter: approx 250g

Cable: 48g per metre

Installation position

Any

6

Operational Life

> 100x 10 cycles

Approvals

WRAS Approval pending

Pressure Ranges and Passive mV/V Outputs

Nominal Pressure, Gauge

mWG

1

2.5

3.5

5

7

10

20

35

50

70

100

Nominal Pressure, Absolute mWG

20

35

50

70

100

Permissible Overpressure

mWG

20

20

20

50

50

50

100

100

100

100

100

Output

mv @ 10V

50

50

60

100

70

100

100

100

100

100

100

Zero Setting Error

mV/V

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

Output Signals and Supply Voltages

Wire systemOutput

Supply Voltage

Connection

Wire Colour

2-wire

4-20mA

9-32Vdc

+ve Supply

Red

-ve Supply

Blue

Ground

White

Cable Screen

Green

3-wire

0-5Vdc

9-32Vdc

4-wire

see Passive mV/V Output above

+ve Supply

Red

0-10Vdc

13-32Vdc

-ve Supply

Blue

0-2.5Vdc

6-32Vdc

+ve Output

Yellow

0.5-4.5Vdc

5Vdc

Ground

White

Cable Screen

Green

+ve Supply

Red

-ve Supply

Blue

+ve Output

White

-ve Output

Yellow

Cable Screen

Green

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