REED SD-9300 SD Series Environmental Meter, Datalogger (Air Velocity/Temp, Light, Ambient Temperature, Humidity)


This 7-in-1 environmental meter measures air velocity, air temperature, ambient temperature, relative humidity, light and contact temperature measurements. The SD-9300 is also capable of sound level measurements with the SL-417 adapter (optional). Using a SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file on a SD card without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live measurements.


  • Measures air velocity/temperature, ambient temperature, relative humidity, light, and contact temperature
  • Measures sound level (dB) with SL-417 (sold seperately)
  • Air velocity is measured in m/s, ft/min, km/h, mph or knots
  • Light levels are measured in foot-candles or lux
  • Temperature is measured in °C or °F
  • Data hold and Max/Min functions
  • Real-time datalogger with integral SD memory card
  • User selectable sampling rate from 1 to 3600 seconds
  • Large, easy-to-read backlit LCD display
  • Optional PC software features live tracking via USB connection
  • Tripod mount for long-term monitoring
  • Low battery indicator and auto shut off


Air Velocity
Measuring Ranges0.4 to 30.0 m/s
1.4 to 128.0 km/h
0.9 to 78.3 mph
79 to 6890 fpm
0.8 to 68.0 knots
Accuracy±2% + 0.2 m/s (0.8 km/h; 0.4 mph; 40 fpm; 0.4 knot)
Resolution0.1 m/s, km/h, mph, knot
1 fpm
Measuring RangesAir Temperature: 32 to 122.0°F (0 to 50°C)
Contact Temperature:
Type K: -148 to 2372°F (-100 to 1300°C)
Type J: -148 to 2192°F (-100 to 1200°C)
AccuracyAir Temperature: ±0.8°C (±1.5°F)
Contact Temperature: ±(0.4% +1°F(0.5°C))
Measuring Range5 - 95% RH
Accuracy>70%RH: ±(3% rdg + 1%RH)
<70%RH: ±3%RH
Resolution0.1% RH
Measuring Ranges0 - 20,000 Lux (0 to 1,860 Ft-cd)
Accuracy±(5% rdg ± 8 dgt)
Resolution1 Lux / 0.1 Ft-cd
Sound (Optional, SL-417 Adapter Sold Separately)
Measuring Ranges30 - 80dB
50 - 100dB
80 - 130dB
AccuracyBasic Accuracy of ±3.5dB
Resolution1 dB
General Specifications
Response Time1 sec
Display4-digit dual LCD
Backlit DisplayYes
Data HoldYes
Zero AdjustmentYes (for Light)
Datalogging CapabilitiesYes
Real-Time Clock and Date StampYes
Selectable Sampling RateYes (1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600s)
External MemoryYes, expandable up to 16Gb with SD card (optional)
Auto Shut-offYes (after 10 mins/off)
Kick StandYes
Tripod MountableYes
Low Battery IndicatorYes
Power Supply6 x AA batteries or AC Adapter (optional)
PC ConnectivityUSB Cable (optional)
Software  SW-U801-WIN Software (optional)
Software OS CompatibilityWindows XP / Vista / 7
Product CertificationsCE
Operating Temperature0 to 122°F (0 to 50°C)
Storage Temperature14 to 140°F (-10 to 60°C)
Operating Humidity Range10-85%
DimensionsInstrument: 5.3 x 2.4 x 1.3" (135 x 60 x 33 mm)
Probe: 4.1 x 1.8 x 1.1" (105 x 46 x 29 mm)
Weight1.1lb (515g)