88597 Digital 4 Channels Thermometer NTC Thermistor Probe SD Card Logger with Relay Function Data Logging Big LCD Display

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  • $163.31

  • Regular Price $171.90

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This 4 Channel NTC Thermositor SD Card Logger is the best tool for multiple measurement. It can record temperature changes by setting up data logging with no software required and no limit in memory. It has 4 reading display with backlight and real time clock feature. It comes with programmable relay to trigger external alarm system and receive alert by GSM message. The unit can be used either wallmount or handheld.


  • Super big LCD (104 x 47mm) portable / wallmount SD Card logger with relay
  • Measure and log 4 temperature a once by using quick response NTC thermistor probe
  • 4 channel temperature probes to use at once
  • 4 channels can set the temperature alarm independently
  • Unlimited manual memories (depend on the SD card memory)
  • Unlimited autologging (depend on the SD card memory)
  • Relay to trigger external alarm system on. Such as GSM message
  • HOLD function freezes current readings
  • Checking MAX/MIN value from power on
  • Beeper and LED alarm are both available
  • One button press to display T1-T2
  • Display temperature change from baseline
  • Programmable temperature HIGH/LOW alarm limit of each channel with relay output
  • Temperature offset function for adjustment purpose
  • Over-range indication with error messages
  • Blue backlight function works in dark area
  • 12 hour/24 hour time format selectable
  • Real time display (year-mon-date,hour-min)
  • 20mins auto power off to save power
  • Temperature units (°C/°F) selection
  • Low battery indicator
  • Japan and Taiwan patented



  • Thermistor Temp. Range: -30~70°C,-22~158°F
    • Resolution: 0.1°C, 0.1°F
    • Accuracy: ±0.5°C
  • Relay: a normal open contact, contact rating @ resistive load: 1A 30VDC/0.5A 125VAC
  • Sampling Rate : Programmable from 1 second up
  • LCD Size (HxW) : 47 x 104mm
  • Operating Environment : Temp. 0~50°C; Humidity <80%
  • Storage Environment: Temp. -20~50°C; Humidity <90%
  • Dimension (L x W x T) : 152 x 100 x 39mm
  • Weight : ~300g
  • Power Supply : 4 x AA Batteries (included in the set) or 9V adaptor (not included in the set)

Set includes:

  • 1 x 4 Channel NTC Thermistor SD Logger with Relay
  • 4 x Thermistor type Probe
  • 1 x 8gb SD Card
  • 4 x AA Batteries
  • English Operation Manual
  • Standard Factory Packaging

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