Hioki LR8401-20 Data Logger

  • 30 Analog Channels
  • 2,3 and 4 String Input
  • Channel Pulse Input


Product Introduction
Product Features
Technical Features
Product Introduction

Hioki LR8401-20 datalogger model are used in many research and industrial establishments like TSE, universities, white goods manufacturers, automobile industry and so on. Thanks to its advanced features, it offers long recording time. Since all sensors with analogue output can be connected, you can observe humidity, temperature, sensors that output pulses, sensors that output resistors, temperature measurement with PT100, pressure, radiation etc

Product Features

  • Standard 30 Analog Channels
  • Temperature measurement with PT100 from 30 channels and resistor input
  • Standard 8 channel pulse and digital input
  • Can be upgraded to 45 or 60 channels
  • Up to 300 channels can be measured, thanks to the ability to operate 5 dataloggers on the same computer
  • Max. 10 ms sampling rate
  • Maximum input ± 100 V DC
  • Mathematical calculations between channels
  • Ability to observe analogue output sensors in its own unit by means of scale function
  • Automatic thermocouple recognition feature K, J, E, T, N, R, S, B, W, PT100
  • Humidity measurement and automatic humidity sensor detection
  • Possibility to connect thermocouples directly without jack with 2, 3 and 4 wire input capability
  • Resetting the voltage slopes of the sensors connected with the Offset setting
  • Ability to start and end measurements at the desired date and time
  • Protection against sudden power interruptions
  • Alarm Output Feature
  • Real-time computer, possibility to record CF card on USB memory per side
  • Built-in USB and LAN interface
  • Notification via e-mail
  • Possibility to work with battery
  • Ability to remotely control and adjust datalogger with free software
  • Graphically examine the data through both datalogger and software
  • Cursor feature on Data Logger
  • 5.7 inc large color screen
  • Made in Japan

Technical Features

Input Features

  • Standard 30 Channel;
  • 2,3 and 4 String Input
  • Voltage Input: 10 mV to 100 V, 1-5 V f.s
  • Max. resolution: 500 nV
  • Temperature – Thermocouple Models: 200 ° C to 2000 ° C (K, J, E, T, N, R, S, B, W) Resolution: 0.1 C
  • Pt 100 and JPt 100 sensors: 200 ° C to 800 ° C, Max. Resolution 0.01 ° C
  • Resistance: 10 Ω to 200 Ω f.s.
  • Max resolution 0.5 mΩ
  • Humidity: 100% rh f.s. Resolution: 0.1% rh

Record Interval

10 ms to 1 hour


Internal LAN and USB


1.7 kg