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We are leaders in the market for providing best range of Data Loggers, Temperature Humidity Logger and Fluke Temperature & Humidity Data Logger
data logger is an electronic recording device that automatically collects and stores data from sensors or signals over time
Wikipedia
In this case, it specifically logs switch status (ON/OFF) instead of analog values.
Working principle
Input: digital signal (0/1) from:
Limit switches
Relay contacts
Push buttons
Machine status outputs
The logger:
Detects state changes (ON OFF or OFF ON)
Stores timestamped events in memory
Data can be accessed via:
USB / SD card
RS485 / Ethernet / IoT
Essentially:
Switch changes Recorded with time Stored for analysis
Applications
Machine runtime monitoring (ON/OFF hours)
Pump or motor operation logging
Production line monitoring
Alarm/event recording
Energy management systems
Preventive maintenance tracking
Fluke temperatures and humidity Datalogger -
Product Specifications
AccuracyA 3 %
Weight60 Grams (g)
Frequency50 Hertz (HZ)
Resolution0.1% RH
Temperature-30 to 70 Celsius (oC)
Humidity0% to 100.0% RH
Dimension (L*W*H)107 x 47 x 17 Millimeter (mm)
UsageIndustrial
ColorYellow