Hioki LR5001 Humidity Logger

Brand: Hioki

SKU: 6139

Ensure precise humidity monitoring with the Hioki LR5001, ideal for environmental control in labs and greenhouses. Shop now.

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Description

Overview

The Hioki LR5001 is a compact humidity logger for meticulous tracking of environmental temperature and humidity. Recording one channel each of temperature and humidity via an included or optional humidity sensor, it measures temperature from -40 to 85 °C and humidity across the full 0 to 100% RH range. With large internal memory, selectable recording intervals and both instantaneous and statistical recording modes, the LR5001 is an ideal tool for monitoring storage, laboratory, HVAC and production environments.

Key Features

Logs one channel of temperature and one of humidity
Wide measurement ranges: -40 to 85 °C and 0 to 100% RH
High accuracy: ±0.5 °C temperature, ±5% RH humidity
Large memory: 60,000 data/ch (instantaneous), 15,000 data/ch (statistical)
15 selectable recording intervals from 1 s to 60 min
Instantaneous and statistical (max/min/avg) recording modes

Applications

Temperature and humidity monitoring in storage and warehouses
Laboratory and cleanroom environmental logging
HVAC and building-environment measurement
Production and quality-control monitoring

What’s in the Box

LR5001 Humidity Logger
Humidity sensor
Battery
Instruction manual

Why buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Hioki test and measurement equipment in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. Download the datasheet

specifications

Technical Specifications

Specification	Details
Measurement Items	Temperature 1 ch and Humidity 1 ch (Requires included or optional humidity sensor)
Measurement Range	Temperature: -40.0°C to 85.0°C, Humidity: 0 to 100% RH at sensor environment
Basic Accuracy	Temperature: ±0.5 °C (main unit + sensor accuracy, at 0.0 to 35.0 °C) Humidity: ±5 % rh (main unit + temperature/humidity sensor LR950x combination, at 20 to 30 °C / 10 to 50 % rh)
Note on Accuracy	Basic accuracy is typical value, refer to the detailed catalog
Storage Capacity	Instantaneous value mode: 60,000 data/ch, Statistical value mode: 15,000 data/ch
Recording Interval	1 to 30 sec., 1 to 60 min., 15 selections
Recording Modes	Instantaneous recording: at every recording interval Statistical value recording: Measure at one second intervals, and record the instantaneous, maximum, minimum, and average values within every recording interval
Recording Methods	One-time recording: Stop recording when the memory capacity is full Endless recording: Continue recording even when the memory capacity is full (old data is overwritten) Start: Logger button operation or scheduled time Stop: Logger button operation or scheduled time, or auto-stop when the memory capacity is full (at one-time recording)
Other Functions	Always backs up last recorded data; backs up recorded data and setting conditions when battery power is low Note: After batteries are replaced within 30 seconds, recording resumes automatically (Recording is interrupted during battery replacement)
Waterproof and Dust-proof	IP54 (EN60529) (with sensor connected, but not including sensor tip)
Interfaces	Infrared optical communications with LR5091, LR5092-20
Power Supply	LR6 (AA) Alkaline battery × 1, Battery life: Approx. 3 months (Instantaneous recording, with 1-minute interval and auto power saving, at 20 °C), Approx. 20 days (Instantaneous recording, with 1-second interval at 20 °C)
Dimensions and Mass	79 mm (3.11 in) W × 57 mm (2.246 in) H × 28 mm (1.10 in) D, 105 g (3.7 oz)
Included Accessories	LR6 (AA) Alkaline battery (built-in internal) × 1, Humidity Sensor LR9504 × 1, Instruction manual × 1, Operation guide × 1, Kickstand × 1

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1 review for Hioki LR5001 Humidity Logger

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mohammad – October 29, 2025

Rated 5 out of 5
The Hioki LR5001 meticulously tracks humidity levels, making it an excellent choice for precise environmental monitoring.

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