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Portable Thermometer-Data Loggers with SD Card and Thermocouple Input
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
RDXL-SD Series
  • SD Card, Real-Time Data Logger
  • Input Signals: T/C K, J, T, E, R/S, and RTD Pt100 Ω Measurement
  • Display All Input Channels Simultaneously
  • Data Hold, Record Max and Min Reading
  • RS232/USB PC Computer Interface
  • LCD with Green Light Backlight, Easy Reading
  • SD Card Capacity: 1 to 16 GB
 Manuals (contact with email : [email protected])


The portable RDXL4SD andRDXL12SD models are handheldthermometer/data loggers withbacklight display and built-inanalysis functions. The dataloggers are powered by aninternal battery and are capableof sampling, processing anddisplaying measurements withoutbeing connected to a computer.
With their high resolution and fastanalog to digital converter (ADC),the RDXL4SD and RDXL12SDmeet the majority of data loggingrequirements in most industrialapplications.
Real-time SD memory card datalogger, built-in clock and calendar,real time data recorder, andsampling time set from 1 to 3600seconds comes standard. Datalogger can log data manually bysetting the sampling time to zero.
These real-time data loggers, savethe 4- or 12-channels temperaturemeasuring data, along with thetime information (year, month,date, minute, second) into the SDmemory card and can down loadto Excel. The end user can makeany data or graphic analysis bythemselves.

Embedded Microcontroller: Custom one-chip LSI device
LCD Display: 82 x 61 mm (3.23 x 2.40") with green color backlight
4 Channels: T1, T2, T3, T4, T1-T2
12 Channels: T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11 and T12
Sensor: Type J, K, T, E, R/S thermocouple probe Pt100 Ω RTD (European curve) for RDXL4SD model only
Resolution: 0.1/1°C or °F
Sampling Time: 1 to 3600 seconds
Memory Card: SD memory card 1 to 16 GB
Memory Recall: Max and min value
Sampling Time of Display: Approx 1 second
Data Output: RS232/USB PC computer interface
Power Off: Auto shut off saves battery life or manual off by push button
Operating Temperature: 0 to 50°C (32 to 122°F)
Operating Humidity: Less than 85% RH
Power Supply: Alkaline or heavy-duty DC 1.5V battery (UM3, AA) x 6 "AA"
Power Current: Approx DC 30 mA
Weight: 489 g (1.08 lb)
Dimensions: 177 H x 68 W x 45 mm D (7 x 2.7 x 1.9")
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