Hot Sale E+H Conductive Point Level Switch Liquipoint T FTW31, FTW32 FTW31

MOQ： 1 pc
Price： USD 500 1 pc
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Payment Terms	T/T
Supply Ability	100 pc 1 week
Delivery Time	7-14 days
Protection Rating	IP67
Application	Industrial Process Control
Pressure Type	Gauge Pressure
Storage Temperature	-40 to 85 degrees Celsius
Wetted Materials	316L stainless steel
Range	0-10,000 psi
Model	Industrial Pressure Transmitters
Protection Class	IP67
Wetted Parts Material	316L Stainless Steel
Temperature Range	-40 to 185°F
Response Time	≤10 ms
Weight	0.5 kg
Ingress Protection	IP67
Operating Temperature	-40 to 85°C
Output Signal	4-20 mA
Brand Name	E+H
Model Number	FTW31
Place of Origin	Germany

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Product Specification


Payment Terms	T/T	Supply Ability	100 pc 1 week
Delivery Time	7-14 days	Protection Rating	IP67
Application	Industrial Process Control	Pressure Type	Gauge Pressure
Storage Temperature	-40 to 85 degrees Celsius	Wetted Materials	316L stainless steel
Range	0-10,000 psi	Model	Industrial Pressure Transmitters
Protection Class	IP67	Wetted Parts Material	316L Stainless Steel
Temperature Range	-40 to 185°F	Response Time	≤10 ms
Weight	0.5 kg	Ingress Protection	IP67
Operating Temperature	-40 to 85°C	Output Signal	4-20 mA
Brand Name	E+H	Model Number	FTW31
Place of Origin	Germany
High Light	E+H conductive level switch ，Liquipoint T FTW31 level transmitter ，400mm point level sensor

What is Liquipoint FTW31

The Liquipoint FTW31 is a conductive pointlevel detector (point level switch) designed for liquids that conduct electricity. It’s used to detect when the liquid reaches a certain level (or multiple levels) in a tank or vessel — for example: overfill protection, dry-run protection of pumps, controlling pump start/stop between two levels, etc.

Unlike continuous level sensors, it detects at specific points (electrodes/rods) rather than giving the whole level profile.

How it Works (Measuring Principle)

It uses conductive probing electrodes (rods). The liquid must be conductive (minimum conductivity required) so that when the liquid touches the probes, a circuit completes via the liquid, signalling that level is reached.
The FTW31 can have multiple switching points on a single probe: up to 5 rods/electrodes ‒ meaning you can detect multiple distinct levels with one probe.
There are no moving parts, which helps reduce wear and maintenance.

Key Specifications

Here are the typical technical data you should know about:

Spec	Value / Range
Process (media) conductivity minimum	~ 10 µS/cm
Process temperature	−40 °C to +100 °C
Ambient temperature	−40 °C to +70 °C
Process pressure	Vacuum up to approx. +10 bar
Probe (sensor) length	0.1 m to 4 m (≈ 10 cm to 400 cm)
Process connection	Threaded connection types (e.g. G-threads, possibly NPT)
Wetted materials	Commonly stainless steel 316L, sometimes plastics like PP or PPS for insulation / housing parts.
Output / signal types	Can be relay output, DC PNP, etc.

Advantages

Some of the benefits of using FTW31:

Multipoint detection with one probe: Up to 5 switch points allow you to monitor several levels with one sensor. Saves cost and simplifies installation.
Simple, robust construction: No moving parts → more reliable, less wear, less maintenance.
No calibration required for many common conductive liquids; standard settings are provided.
Wide temperature and pressure range suitable for many industrial processes.
Good for safety applications like overfill prevention, dry-run protection, etc.

Limitations & Considerations

Things to check / watch out for:

The liquid must have sufficient conductivity (at least ~ 10 µS/cm). If the liquid is very pure (low ion concentration) and non-conductive, the detector may not work reliably.
Build-up or deposition on the electrodes (scale, sludge, etc.) can affect performance. If the probes are coated or partially insulated, detection may be delayed or false.
Multiple rods means multiple exposed points; electrical insulation and mounting must prevent false triggering via unintended paths (e.g. via tank wall, mounting brackets, or condensation).
In aggressive or corrosive liquids, material compatibility (electrode/stem housing) is important.
Safety/environmental/explosion certifications must match the application when in hazardous areas. FTW31 offers these, but the specific version and installation must comply.

Company Details

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Business Type:

Manufacturer 
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Year Established:

2003 
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Total Annual:

3000000-5000000
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Employee Number:

101~200 
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Ecer Certification：

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Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a... Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a...

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Xi'an Xiyi Central Control Technology Co., Ltd.
Room 2204, Unit 1, No. 91, Taoyuan South Road, Xi'an, Shaanxi, China
https://www.industrial-pressuretransmitters.com/

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