:: Product Information

HFD8-100 Heat Field Deformation



  • Stand-alone logging

  • MicroSD expandable memory

  • 4GB MicroSD Removable Storage Card (capacity: 10+ years data storage)

  • Wireless connectivity and data transfer

  • Simple conversion and scripting

  • Flexible sensor calibration, look-up tables, and user scripts

  • 24-Bit resolution

  • IP65 rated water proof enclosure

  • Free Windows and Mac utility configuration software

  • Optional wireless logging

Power management:

  • Field: direct connected solar panel

  • Lab: mains DC power supply

  • Internal Lithium-Polymer battery

  • Internal Lithium-Polymer battery charger and power management

Instrument Logging

Minimum Logging Interval1 second
Delayed StartSuspend Logging, Customised Intervals
Sampling Frequency10Hz


CommunicationsUSB, Wireless Radio Frequency 2.4 GHz
Data StorageMicroSD Card, SD, SDHC & SDXC Compatible (FAT32 format)
Software CompatibilityWindows 7, 8, 8.1, 10 and Mac
Data CompatibilityFAT32 compatible for direct exchange of SD card with any Windows PC or Mac
Data File FormatComma Separated Values (CSV) for compatibility with all software programs
Memory CapacityUp to 16GB, 4GB microSD card included.

Operating Conditions

Temperature Range-40°C to +80°C
R/H Range0-100%
Dual FirmwareUser Upgradeable firmware using USB boot strap loader function


Length x Width x Depth340 x 84 x 35 mm
Weight915g (Including mounting brackets)


Internal Battery Specifications

4.8Ah Lithium Polymer, 4.20 Volts fully charged
External Power Requirements
Bus Power8-30 Volts DC, non-polarised, current draw is 340mA maximum at 17 volts per logger
USB Power5 Volts DC
Internal Charge Rate
Bus Power60mA – 700mA Variable internal charge rate, maximum charge rate of 700mA active when the external voltage rises above 16 Volts DC
USB Power100mA fixed charge rate
Internal Power Management
Fully Charged Battery4.20 Volts
Low Power Mode3.60 Volts – Instrument ceases to take measurements
Discharged Battery2.90 Volts – Instrument automatically switches off at and below this voltage when no external power connected.
Battery Life varies

  • With a recommended power source connected, operation can be continuous.

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Dianjiang Group Limited
Add: Room 1510,15/F,New Commerce Centre, No.19 On Sum Street, Shatin, N.T., Hong Kong.
Tel: (852) 3690 1588   Fax: (852) 3690 1586
Email: Dianjiang_HK@yahoo.com.hk   Hongkong@Dianjiangtech.com
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