Brands Microedge Instruments
Product Code: PL-HW
Availability: In Stock
Product Name PRECISE-LOG Thermistor Data Logger
Model PL-HW
Connection Plugable terminal block for eight external channels
Channels Eight external thermistors/resistors.
Resolution 0.0018%
Accuracy ±0.2% FSR @ 25 °C
Channel Alarms Two editable alarm thresholds per channel.
Alarm Indicator On-board LED becomes red when in alarm condition.
On-board Memory
Size 8 Mega bytes (4MB readings).
Data Retention Over 20 years.
Sampling Interval 1 second to 12 hours user selectable.
Logging Mode Stop recording or FIFO when memory is full.
Logging Activation Programmable instant, start delay or field push button activation.
Interface USB (Mini-USB-B) (USB-A-mini USB-B Cable included)
WIFI (USB 5 VDC wall power adapter included)
WIFI Module Standard: 802.11b/g/n,
Frequency Range: 2.412 - 2.484GHz
Transmit Power: 11-18 dBm
Receive Sensitivity: -82 to -93 dBm
Encryption: WEP64/WEP128/TKIP/AES
Can be Enabled/Disabled by SiteView software
Baud Rate 115200 bps.
Power Built-in 3.6V Lithium Battery.
Battery Life 10 years based on 1 minute sampling interval in stand-alone mode.
SiteView (Sold separately) Configuration, downloading, plotting, real-time view, custom calibration and custom equation.
Software Requirement Computer with 1.0 GHz or faster processor
1 GB Memory or higher
10 GB of available hard-drive space or higher
Windows XP with SP2 or later, Vista, Window 7,8,10
At least one USB port or one COM port.
Material Aluminum enclosure.
Dimension 88 X 64.2 X 24 mm (3.46 X 2.53 X 0.95 inches).
Weight 200g
Mounting Probe/wall-mount holes for hanging/mounting.
LED Indicator Tri-Color LED: (can be disabled for power saving)
Normal Sampling: light green when sampling.
Alarm: red when sampling.
Low Battery: amber when sampling.
Operating Environment -40 ~ +70 °C (-40 °F ~ 158 °F), 0 ~ 95% RH non-condensing.
Clock Accuracy ±1 mintue per month.
Approval CE, FCC

Logger Memory Capacity

Sampling Interval Enabled Channel Logging Capacity
1 minute 1 8 years
1 minute 2 4 years
1 minute 8 1 year
10 seconds 1 485 days
10 seconds 2 242 days
10 seconds 8 60 days
1 second 1 48 days
1 second 2 24 days
1 second 8 6 days



Frequently Asked Questions

custom equation

Custom Equation Examples

video tutorial

Video Tutorials

application example

Application Examples



PL-HW is an 8-channel, battery powered, standalone and WIFI-enabled thermistor data logger. The logger records eight external thermistors / resistors and saves data in 8-MB memory. 

Embedded WIFI module allows remote data monitoring and downloading. 

16-bit ADC makes it well suited for science and laboratory applications where precise and accurate measurements are critical. 

Its aluminum enclosure makes it excellent in the harshest industrial environment. 

Simply power the logger in WIFI covered area and access it from your computer for configuration, downloading, graph viewing and more... 


  • 16-bit analog-to-digital converter
  • 8 megabyte memory size
  • Both USB and WIFI comm. interfaces with baud rate of 115200 bps
  • Over 10 years of battery life
  • Powerful software for configuration, downloading, plotting, analysis and alarm reporting
  • Wide sampling interval selections (one second to 12 hours)
  • Rugged aluminum enclosure


PRECISE-LOG Thermistor Data Logger Specifications

SiteView Specifications

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