VH400 Soil Moisture Sensor Probe Specifications
Power consumption: < 13mA
Supply Voltage: 3.5V to 20 VDC.
Dimensions See drawing.
Power on to Output stable: 400 ms
Output Impedance: 10K ohms
Operational Temperature: -40ºC to 85ºC
Accuracy at 25°C: 2%
Output: 0 to 3V related to moisture content
Shell Color: Red
Voltage Output Curves: Curves, Piecewise...
A miniature, value-priced, waterproof data logger for temperature and light monitoring applications; stores 52K measurements.
IMPORTANT INFORMATION
Requires HOBOware software and either an Optic USB Base Station or a HOBO Waterproof Shuttle (U-DTW-1).
HOBOware Pro is required when using the HOBO Waterproof Shuttle. See compatible items below.
The only pocket meter that directly measures the sodium ion concentration in a 0.3 mL sample (or 0.05 mL with Sampling Sheet B) and converts it to salinity or NaCl salt concentration. No beaker is needed to calibrate the meter or measure a sample. Simply place a few drops of the standard or sample on the sensor. This procedure saves you time and prevents you from wasting your valuable sample.
The only pocket-sized meter that directly measures the sodium ion concentration in a 0.3 mL sample (or 0.05 mL with Sampling Sheet B) and converts it to salinity or NaCl salt concentration. No beaker is needed to calibrate the meter or measure a sample. Simply place a few drops of the standard or sample on the sensor. This procedure saves you time and prevents you from wasting your valuable sample.
Minimum sample volume: 0.3 mL (0.05 mL with Sampling Sheet B)
Salinity, mV, and temperature display
Up to 2 calibration points
Automatic calibration
Automatic standard recognition: 0.5 and 5.0% NaCl (default)
High and low calibration values changeable
Temperature calibration: 5 to 40.0 ºC
Automatic measurement stable/auto hold
Auto power off: 30 min.
Low battery indicator
IP67 waterproof and dustproof rating
Replaceable sensor
400 hours battery life - continuous use without backlight
Material: ABS epoxy resin
Display: Custom digital LCD (monochrome) with backlight
Operating conditions: 5 to 40ºC, 85% or less relative humidity
Warranty: 2 years - meter; 6 months - sensor
Packaged in convenient carrying case
Supplied with 0.5% and 5.0% NaCl standards (14 mL each), 5 B sampling sheets, 2 CR2032 batteries, dropper, instructions and quick manuals
Model
Salt-22
Measurement Principle
Ion Selective Electrode
Minimum Sample Volume
0.3ml (0.05ml with sampling sheet B)
Salinity Range
0.01 to 25% by weight
Resolution
0.00 to 0.99%: 0.01%
1.0 to 9.9%: 0.1%
10 to 25%: 1%
Calibration Points
Up to 2
Accuracy
±10% of reading value
Temperature Display
0 to 50.0 ºC
Temperature Calibration
5 to 40.0 ºC
Display
Custom (monochrome) digital LCD with backlight
Operating Temperature
5 to 40.0 ºC
Operating Humidity
85% or less relative humidity (no condensation)
Power
CR2032 batteries (2)
Battery Life
Approx. 400 hours in continuous use without backlight
Material
ABS epoxy body
Dimensions
164 x 29 x 20 mm (excluding projections)
Mass
Approx. 55 g (including sensor and batteries)
Product Details
LAQUAtwin Salt-22
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The only pocket meter that directly measures the sodium ion concentration in a 0.3 mL sample (or 0.05 mL with Sampling Sheet B) and converts it to salinity or NaCl salt concentration. No beaker is needed to calibrate the meter or measure a sample. Simply place a few drops of the standard or sample on the sensor. This procedure saves you time and prevents you from wasting your valuable sample.
