Extech Hay Moisture Content Meter – SDL550

Product Weight 2.50 Pounds
The Hay Moisture Content Meter features an almost 2ft long stainless steel probe which easily penetrates hay bales. Measures 10 to 95 percent moisture.
Sales price $649.00

Extech Hay Moisture Content Meter – SDL550

23.7” (600mm) heavy duty stainless steel probe measures moisture in hay.SDL550data-s


  • Measures moisture content, air temperature, dew point and Type J/K Temperature
  • Large backlit dual LCD display simultaneously displays Moisture Content and Temperature
  • Moisture content measurement from 10 to 95%
  • 1 sec sampling rate (aaprox.)
  • Data logger date/time stamps and stores readings on an SD card in Excel® format for easy transfer to a PC
  • Adjustable data sampling rate: 1 to 3600 seconds
  • Date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC
  • Dual display simultaneously displays moisture content and temperature
  • Min/Max and Data hold
  • Auto power off with disable function
  • Comes with a built-in RS-232 interface
  • Complete with moisture content probe with 4.9ft (1.5m) cable, sensor cap and 9V battery
  • 3 year warranty

This moisture meter is ideal for testing the moisture content of hay. Moisture content must be monitored in foods to avoid the growth of mold or mildew, or to avoid germination. Knowing the moisture content of hay can prevent spontaneous combustion leading to a fire in a barn or house. With a wide moisture measurement range of 10 to 95% for practically all measuring circumstances.

SDL550data2This instrument comes with a 2G SD card which records the data measured in Excel format for quick and easy download to a PC. The SD card is easily removed from the meter and inserted into a PC. This meter has the added ability to test temperature with Type J/K probes (not included).

Featuring a nearly 2 foot stainless steel moisture content probe which is sturdy enough to penetrate hard packed grains or loose soils. Moisture content is very important in the making of compost as well.


  • Moisture Content: 10 to 95%
  • Air Temperature: 32 to 122°F (0 to 50°C)
  • Dew Point: -13 to 120°F (-25 to 50°C)
  • Type K Temperature: -148 to 2372°F (-100 to 1300°C)
  • Type J Temperature: -148 to 2192°F (-100 to 1200°C)
  • Memory: 20M data records using 2G SD card
  • Dimensions:
    • Meter: 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm)
    • Probe: 23.8” (605mm) x 0.9” (22mm) diameter
  • Weight:
    • Meter: 8.6oz (245g)
    • Probe: 19.8oz (560g)

Unit Ship Weight: 2.5 lbs



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