Relative Humidity & Temperature SD Card Logger
Relative Humidity & Temperature SD Card Logger
Relative Humidity & Temperature SD Card Logger
Sper Scientific


Relative Humidity & Temperature SD Card Logger

Reads Relative humidity (RH), ambient temperature, dew point and wet bulb, and functions as a type K or J thermometer.

Records data onto standard SD memory cards (like a digital camera) for unlimited data storage. The removable SD card is easy to transport and insert into a computer’s memory card slot or SD card reader. Uploads pre-formatted data to Excel, without the need for additional software and cables. Additional SD cards are readily available in a variety of memory sizes.

Each data set includes temperature, RH, time and date. Features min/max, auto power off, low battery indicator and hold function. Also reads thermocouple temperature with optional probes. This well-made unit is extremely accurate with fast response times and includes a fold-out tripod and large, easy-to-read backlit LCD. Comes ready to use in a soft carrying case complete with a detachable probe, 6 AA batteries, instruction manual and an SD card. Uses optional USB Power Cable (840058), or AC Adapter (840097).

Dimensions: 7" × 2¾" × 2" (178 × 70 × 51 mm)
Weight: 1 lb (454 g)

Sper Certified *Certification Option
N.I.S.T. traceable Certificate of Compliance available at additional cost (Select option above).

  Range Resolution Accuracy
RH 5 to 95% RH 0.1 ≥70% RH ± 3% rdg + 1% RH,
< 70% RH ± 3% RH
Ambient Temp. -0 to 50ºC, -32 to 122ºF ±0.8ºC, ± 1.5ºF FS
Dew Point ºC -25.3 to 48.9ºC Sum of RH & TA accuracies. Calculated automatically from
RH & temperature measurement.
Dew Point ºF -13.5 to 120.1ºF
Wet Bulb ºC -21.6 to 50ºC
Wet Bulb ºF -6.9 to 122ºF
Type K -58 to 2372ºF,
-50 to 1300ºC
± (0.4% + 1ºC ) FS
± (0.4% + 1.8ºF) FS
Type J -58 to 2192ºF,
-50 to 1200ºC
SD Card

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