LS-R740 (ZL) Volumetric Air Leak Testers

Air Leak Tester for Small Sealed Works: It detects leaks in small sealed works using volume detection capsules. Large leaks are detected using an internal cylinder. Small leaks are detected by highly sensitive differential pressure method.
Ideal for waterproof test of parts and finished products that require IP ratings.

Basic Specs.

Pressure range	-100 kPa to 500 kPa
Power source voltage	100 to 240 VAC ±10%, 50/60 Hz, 70 VA max
Ambient temperature	Operating temperature: 5 to 45℃ Storage temperature: -20 to 60℃
External dimensions	W151.2 x D192.5 x H212.1 (Pneumatic Unit)
Weight	Controller: Approx. 2.6 kg Pneumatic Unit (LUA-271): Approx. 7.1 kg

Measurement Performance Enhancing Features

Intelligent Pneumatic Circuit

Leak detection circuit with internal pressure detection method, available in Intelligent 1 Pneumatic Circuit and Intelligent 2 Pneumatic Circuit. The differential pressure sensor and air operated valves are integrated with the manifold in a highly durable structure that minimizes breakdowns. In each test, the differential pressure sensor and the valves are self-checked to ensure that the judgment result is reliable.
High-performance differential pressure sensor

The improved differential pressure sensor, which is the heart of the Air Leak Tester, and the high-performance AD converter have realized measurement stability in units of 0.1 Pa. These effects are expected to improve measurement accuracy and shorten test time.

Safety and Reliability Enhancing Features

Password setting

Allows users to change their password.
Exhaust Interference Prevention

For a system with multiple leak testers, the exhaust process can cause large fluctuations in the source pressure. It can have a negative impact on the tester(s) that are still measuring. This function is provided to prevent this problem.

Functions related to the interface

USB memory data storage

A USB memory can be used to store large amounts of data for long periods of time, and data can be easily transferred to a PC.
Multilingual

Allows you to switch the display between multiple languages, including Japanese, English, and Chinese.
I/O monitor

Check the connection of the signals with external PLCs, such as start/stop signals and pass/fail signals, on the screen. This is very useful when equipment is connected.
Quality management

The latest 1000 work data (5000 for LS-R902) can be stored and displayed in a graph, which is useful for monitoring changes in work characteristics and changes in the measurement environment. In addition, the Mastering characteristic graph makes it easier to set test conditions.