Product Details
LR8431 Data Logger
Data Logger 10 Channels

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Category:Memory Recorders/Loggers


Featuring USB flash drive support and improved accuracy! Your Personal 10-channel Logger

•Record measurement data on a USB flash drive for easy transfer to a computer

•Record to reliable Compact Flash cards during long-term measurement applications for increased peace of mind

•Replace storage media during real-time recording

•Improved thermocouple measurement accuracy and reference junction compensation accuracy

•Ten isolated analog input channels

•10 ms sampling and recording across all channels

•Noise-resistant measurement circuitry for improved readings

•Ultra-compact for convenient portability

•Widescreen, bright LCD gives excellent viewability

Number of channels

Analog: 10 isolated channels using scanning input method (M3 mm dia. screw terminal block)

Pulse: 4 channels (All pulse inputs share common ground with the main unit)

Measurement parameters

Voltage : ±100 mV to ±60 V, 1-5V f.s. 6 ranges, Max. resolution 5μV

Temperature (thermocouples) : −200°C to 2000°C (depend on the sensor), 1 range (K, J, E, T, N, R, S, B), Max. resolution 0.1°C

Temperature (Pt 100 sensor) : not available

Humidity : not available

Totalized pulses : 0 to 1000M count, 1 range (No-voltage ‘a’ contact, open collector or voltage input), Max. resolution 1 count

Rotation count : 0 to 5000/n (r/s) f.s. 1 range (No-voltage ‘a’ contact, open collector or voltage input), Resolution 1/n (r/s) Note: n = pulses per rotation (1 to 1,000)

Max. allowable input

DC 60 V (Analog input), DC -5 V to 10 V (Pulse input)

Max. rated voltage to earth

AC 30 Vrms, DC 60 V (Upper limit voltage that does not cause damage when applied between input channel and chassis, and between each input channels)

Recording intervals

10 ms to 1 hour, 19 selections (All input channels are scanned at high speed during every recording interval)

Selectable Filters

50 Hz, 60 Hz, or OFF (digital filtering of high frequencies on analog channels)

Memory capacity

Internal storage: 3.5 MWords (7 MB of two-byte data points, or four-byte pulse measurements), External storage: CF card or USB memory stick (only the HIOKI CF card is guaranteed for correct operation)

External Interface

USB 2.0 mini-B receptacle ×1; Functions: Control from a PC, Transfers files from the installed CF card to a PC (cannot transfer files from the connected USB memory stick to a PC via USB communication), Data copy between CF card and USB memory stick


4.3-inch WQVGA-TFT color LCD (480 × 272 dots)


Save data to the CF Card or USB memory stick in real time, Numerical Calculations, etc.

Power supply

AC ADAPTER Z1005: 100 to 240 VAC (50/60 Hz)

BATTERY PACK 9780: Continuous use 2.5 hours

12 V DC supply: 10 to 16 V (please contact HIOKI distributor for cable; less than 3 m/9.84 ft cable length)

Dimensions, mass

176 mm (6.93 in) W × 101 mm (3.98 in) H × 41 mm (1.61 in) D, 550 g (19.4 oz) (BATTERY PACK 9780 not installed)

Supplied accessories

Measurement Guide ×1, CD-R (Instruction Manual PDF, Logger Utility Instruction Manual PDF, Data acquisition application program Logger Utility) ×1, USB cable ×1, AC adapter Z1005 ×1

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