Hioki LR8431-20 Memory HiLogger
- Brand
- Hioki
- Model number
- LR8431-20
- Category
- Data Loggers
Compact 10-channel Memory HiLogger (English model) for voltage and thermocouple temperature plus 4 pulse channels; records to CF card or USB drive, with media swap during recording.
Price and availability on request
Key features
- 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
Specifications
| 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 1800 ˚C (depend on the sensor), 1 range (K, J, E, T, N, R, S, B), Max. resolution 0.1 ˚C Temperature (Pt 100 sensor) : cannot use Humidity : cannot use Totalized pulses : 0 to 1000M pulse, 1 range (No-voltage ‘a’ contact, open collector or voltage input), Max. resolution 1 pulse Rotation count : 0 to 5000/n (r/s) f.s. 1 range (No-voltage ‘a’ contact, open collector or voltage input), Reso |
| Max. allowable input | DC 60 V (Analog input), DC -5 V to 10 V (Pulse input) |
| Max. rated voltage to earth | AC 30 V rms, 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 within each recording interval.) |
| Selectable filters | 50 Hz, 60 Hz, or OFF (digital filtering of high frequencies on analog channels) |
| Memory capacity | Internal storage: 3.5 M-words, 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 |
| Display | 4.3-inch WQVGA-TFT color LCD (480 × 272 dots) |
| Functions | Save data to the CF card or USB memory stick in real time, Numerical Calculations, etc. |
| Power supply | AC adapter Z1005: 100 to 240 V AC (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 and 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) |
| Contents | Measurement Guide ×1, USB cable L1003 ×1, AC adapter Z1005 ×1 |
|---|
| Order code | LR8431-20 (10 ch, English model) |
|---|---|
| Note | Note (1): The LR8431 is not bundled with the Battery Pack 9780. Thermocouples are not provided by Hioki, and must be purchased from a separate vendor. |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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