For 4-20 mA Instrumentation Measurement Data Logger
Hioki compact 1 or 2-channel data loggers feature a 60,000 data
set/channel memory to measure temperature, humidity, voltage or
instrumentation signals. The LR5031 logs instrumentation signals
such as 4-20mA signals over 1 channel in as fast as 1 second

Model No. (Order Code)

LR5031Instrumentation signal 1ch

Note: Communication Adapter LR5091 or Data
Collector LR5092-20 is necessary to transfer
data from a LR5000 series Logger to a PC

Key Features

• 4 - 20 mA DC measurement only
• Easily mount the light-weight , pocket-sized loggers in tight spaces
• Easy-to-see dual display
• Transfer data to PC even during recording
• Replace batteries while recording (30 second limit)
• 3 times the memory capacity than predecessor (Record 60,000 data per channel)
• Measurement data is preserved even after the battery dies
• Worry-free backup preserves recorded data even if a new measurement is started by mistake

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

Measurement itemsDC current (1 ch), for Instrumentation
Measurement range-30.00 to 30.00 mA
Accuracy±0.5 %rdg. ±5 dgt.
Storage capacityInstantaneous value mode: 60,000 data, Statistical value mode: 15,000 data
Recording interval1 to 30 sec., 1 to 60 min., 15 selections
Recording modesInstantaneous 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 methodsOne-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 functionsAlways backs up last recorded data; backs up recorded data and setting conditions when battery power is low; guarantees approx. 30 sec. of recording operation and clock while battery is replaced
Waterproof and dust-proofIP54 (EN60529) (with connection cable connected, but not including cable tip)
InterfacesInfrared optical communications with LR5091, LR5092-20
Power supplyLR6 (AA) Alkaline battery ×1, Battery life: Approx. 2 years (Instantaneous recording, with 1-minute interval and auto power saving, at 20 °C), Approx. 2 months (Instantaneous recording, with 1-second interval at 20 °C)
Dimensions and mass79 mm (3.11 in) W × 57 mm (2.246 in) H × 28 mm (1.10 in) D, 105 g (3.7 oz)
AccessoriesLR6 (AA) Alkaline battery (built-in internal) ×1, Connection Cable LR9801 ×1, Instruction manual ×1, Operation guide ×1, Kickstand ×1
Catalog: DATA LOGGER LR5000 SeriesDownload PDF  [6MB]English
Catalog: DATA LOGGER Selection Guide LR8431, LR8400 series, 8423, LR5000 seriesDownload PDF  [5MB]English

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