WLI100 Drop-type hydrostatic transmitter for liquid level (water, oil, wastewater). Ceramic sensor, 4–20mA output, IP68, Exia II CT6. Easy immersion/flange install. Used in tanks, fuel storage, wastewater.

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Description

The WLI100 is a drop-type hydrostatic level transmitter designed to measure liquid levels (e.g., wastewater, water, fuel oil) by detecting hydrostatic pressure proportional to the liquid height. It uses a ceramic piezoresistive sensing element with temperature compensation and linearity correction, converting pressure into a 4–20mA DC output signal. The sensor is immersed directly into the liquid and can be installed via flange or bracket, offering ease of use and high reliability.

Key Features

High Precision & Stability: 0.2% or 0.5% accuracy (default 0.2%).
Easy Installation: Direct immersion into the liquid; no complex setup.
Robust Design: Solid-state, no moving parts, resistant to bubbles/deposits.
Wide Compatibility: Measures liquids from water to viscous oils (non-corrosive to 316L stainless steel).
Output: Standard 4–20mA DC for RTU/PLC integration.
Protections: Power reverse polarity and overload current limit protection.
Temperature Range: Operates in -20°C to 80°C environments.
IP68 & Explosion-Proof: Rated Exia II CT6 for harsh conditions.

Typical Application Scenarios

Water/Wastewater Management: Tanks, reservoirs, or treatment plants.
Fuel Storage: Monitoring diesel/oil levels in industrial tanks.
Industrial Processes: Liquid level measurement in chemical or manufacturing systems.
Flow Control: Installation in pipes/tubes for dynamic liquid measurement (with perforated tubes to reduce flow interference).

Technical Specifications

Parameter	Details
Measurement Range	0.3–100m (default 5m, customizable).
Output Signal	2-wire 4–20mA DC.
Power Supply	18–24VDC.
Precision	0.2% or 0.5% FS (factory default: 0.2%).
Display Options	No display (default); optional LCD/LED linearity indicators (0–100%).
Cable Material	PTFE (Polyteriafluoroethylene).
Load Capacity	0–600Ω.
Non-Sensitive Zone	±1.0% FS.
IP Rating	IP68 (fully waterproof).
Explosion-Proof	Exia II CT6 certified.

Packaging

1 x WLI100

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