Product Overview

The Electronic Liquid Level & Temperature Sensor NT400 integrates liquid level measurement, temperature monitoring, display, and multiple output signals into a single device. It can simultaneously output multiple signals to meet the monitoring requirements of liquid level and temperature in various industrial applications.

By combining two measurement functions into one sensor, the NT400 helps reduce the number of installation openings, simplifies equipment design, minimizes installation space, and provides a clean and compact appearance suitable for equipment upgrades.

The sensor supports PNP, NPN, 0–20mA, and 4–20mA outputs. Its analog output provides full-range scalability, while the display and electrical output interfaces can be adjusted to accommodate different installation directions and cable routing requirements.

Product Features

Durable LED digital display for real-time monitoring
Integrated design for simultaneous liquid level and temperature measurement
Flexible output configuration with PNP/NPN switching
Intelligent menu with adjustable analog output range
Continuously adjustable switch points
Supports 4-channel switch outputs for temperature and liquid level
Supports 2-channel analog signal outputs
Flexible installation for different equipment layouts
Compact design helps reduce installation openings

Why Choose the Electronic Liquid Level & Temperature Sensor NT400 ?

The NT400 combines liquid level monitoring and temperature measurement in one compact device, helping simplify equipment design and reduce installation complexity. Multiple switch and analog output options provide compatibility with various industrial control systems, while the adjustable display direction and electrical interface improve installation flexibility in different operating environments.

Product Applications

The NT400 is suitable for a wide range of industrial applications, including:

Machine tools
Hydraulic systems
Pneumatic systems
Pumps and compressors
Mechanical manufacturing
Industrial automation equipment

Technical Specifications

Parameter	Specification
Power Supply	DC 16–30V
Current Consumption	Max. 600mA (including switch current)
Electrical Connection	Straight cable, 8-core
Electrical Protection	Short circuit protection, reverse polarity protection
Insulation	DC500V
Overvoltage Protection	DC36V
Start-up Time	2s
Switching Function	PNP/NPN, NO/NC freely selectable
Switching Current	Max. 400mA
Response Time	Switch output / Analog output ≤5ms
Analog Load	4–20mA ≤500Ω
Service Life	50 million switching cycles
Measurement Accuracy	5mm
Long-term Drift	5mm
Medium Temperature	-20°C to 85°C
Ambient Temperature	-20°C to 80°C
Storage Temperature	-20°C to 65°C
Relative Humidity	45–75%
Vibration Resistance	20g, 10–2000Hz (IEC60068-2-6)
Shock Resistance	50g, 6ms (IEC60068-2-27)
Protection Rating	IP67
Wetted Components	304 stainless steel rod / NBR float
Housing Material	Oxidized aluminum alloy
Cable Material	PVC

Size Chart (mm)

Typical Application

The NT400 is suitable for equipment that requires simultaneous monitoring of liquid level and temperature, such as hydraulic systems, machine tools, pumps, compressors, and automated machinery. By integrating multiple measurement functions into one sensor, it helps simplify installation and reduce the number of process connections.

Frequently Asked Questions

What parameters can the NT400 monitor?

The NT400 can simultaneously monitor liquid level and temperature.

What output signals are available?

The sensor supports PNP, NPN, 0–20mA, and 4–20mA outputs, with configurable switch functions.

Can the display direction be adjusted?

Yes. The display and electrical output interfaces can be adjusted to suit different installation positions and cable routing requirements.

What protection rating does the NT400 provide?

The NT400 has an IP67 protection rating, making it suitable for industrial environments.

Which industries is the NT400 suitable for?

It is suitable for machine tools, hydraulic and pneumatic systems, pumps, compressors, mechanical manufacturing, and industrial automation equipment.

Summary

The NT400 Electronic Liquid Level & Temperature Sensor integrates liquid level measurement, temperature monitoring, LED display, multiple switch outputs, and analog outputs into a compact device. With flexible installation, configurable PNP/NPN and analog outputs, and IP67 protection, it is suitable for machine tools, hydraulic systems, pumps, compressors, and industrial automation equipment.

About NOIKE-AH

Nickel Electronics (Anhui) Co., Ltd (NOIKE-AH) is a global manufacturer of high-precision sensors for measuring and monitoring flow, pressure, temperature, level etc,.

With decades of engineering experience, NOIKE-AH provides reliable sensing solutions that ensure accuracy, efficiency, and safety across industries such as chemical processing, water treatment, food & beverage, pharmaceuticals, and energy.

Our intelligent measurement technology enables customers to gain real-time insights, improve process optimization, and achieve predictive maintenance through data-driven control.

Driven by innovation, NOIKE-AH continues to advance industrial automation with smart digital instruments, IIoT-ready solutions, and customized system integration, empowering industries worldwide to reach new standards in process reliability and performance.