Fire Protection Liquid Level Sensor ND101

Alternative Names

Liquid Level Sensor

4-20mA Liquid Level Transmitter

Submersible Liquid Level Gauge (Water/Oil)

Water Level Sensor

Product Description

The ND101 liquid level transmitter incorporates high-stability, high-reliability imported sensor chips and precision intelligent transmitter processing circuitry. Utilizing advanced digital circuit technology and nonlinear compensation techniques, it delivers high-precision liquid level measurement.

Key Features

Integrated Design:‌ Waterproof air-guiding cable gland with hermetic housing connection

Durable Construction:‌ Air vent tube within cable gland enables long-term submersion

Standardized Output:‌ Two-wire system with compact, lightweight design for easy installation

Multi-Protection:‌ Reverse polarity protection, current limiting, lightning/impact resistance

Technical Specifications

Parameter Specification

Measuring Range 0~1m to 200m

Overload Capacity 1.5×FS

Accuracy ±0.2%FS, ±0.5%FS (selectable)

Long-term Stability ≤0.2%FS/year

Operating Temperature -20℃~85℃

Storage Temperature -20℃~100℃

Power Supply 12~30VDC (24VDC recommended)

Output Options 4~20mADC, 0~10/20mADC, 0/1~5/10VDC, RS485, HART

Load Resistance ≤(U-12)/0.02Ω

Housing Material 316 Stainless Steel / 0Cr18Ni9 Stainless Steel

Protection Rating IP68

Applications

Liquid level monitoring and control in:

Petroleum refineries

Chemical plants

Power generation facilities

Municipal water supply systems

Hydrogeological surveys