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HWM series

Hand-held Agricultural Weather Monitor

Product introduction:

Hand-held Agricultural Weather Monitor can test temperature, humidity, illuminance, conductance, PH, CO2 concentration, dew point, soil temperature, soil moisture, wind speed, wind direction and other agricultural environmental parameters. It is widely used in protected agriculture, forestry, horticulture, animal husbandry, and other fields.

 

Characteristics:

1.Large LCD display, touch key, smart and portable, easy to operate.

2.One-button switch, can record both manually and automatically.

3.Both AC and DC are available, 8.4v 1500mAh Li-ion battery, with charging protection, low voltage protection.

4.With 32 channels, different sensors can be combined freely.

5.RS485 communication, the cable is up to 100 meters.

6.Parameters freely switched. Sampling interval time of each sensor can be set separately.

7.PC software available.

8.GPS is optional function.

9.Two colors for optional: blue and orange.

 

Handset Technical parameters:

1.Record capacity: Flash storage your latest 30,000 records, with 4G SD card.

2.Record time interval: 5s-90hr continuously adjustable.

3.Longitude: 0-180°latitude: 0-90°

4.Sensor communication: RS485

5.Power: 8.4V Li-Lon battery

 

Technical parameters

Testing Index

Parameter

Temperature

Range:-40℃ - 80℃; Accuracy:±0.4℃; Resolution:0.1℃

Humidity

Range:0-100%RH; Accuracy:±3%RH; Resolution: 0.1%RH

Dew Point

Range:-40℃ - 120℃; Accuracy:±0.4℃; Resolution:0.1℃

Soil Salinity

Range: 0-19.99ms/cm; Accuracy: ±2%

Soil Compaction

Range:0-100kg; Accuracy:±0.5‰ F.S

PAR

Range:1-2,700µmolm-2s-1; Accuracy:±1µmolm-2s-1; Resolution:1µmolm-2s-1

Wind Direction

Range:0-359°; Accuracy:±3°

Air Pressure

Range: 300.0hPa~1100.0hPa; Accuracy: ±1hPa

Water Vaporization

Range: 0~100mm; Accuracy: 0.1mm

Rainfall

Range:0-4mm/min; Accuracy:±0.1mm; Resolution:0.1mm

CO2

Range:0-2000PPM; Volatility:±(50PPM+ Measurements×3%); Resolution:1PPM

Light Intensity

Range: 0-200000LUX; Accuracy:±2% (0-20000lux); Resolution: 1LUX

Soil Temp

Range:-40°C-100°C; Accuracy:±0.3°C; Resolution:0.1°C

Soil Moisture

Range: 0-100%; Accuracy: ±3%; Resolution: 0.1%

Soil pH

pH range: 1-14pH; pH accuracy: ±0.5

Wind Speed

Range: 0-45m/s; Accuracy: ±(0.3+0.03v)m/s

Total Radiation

Range: 0-2000W/m2 Accuracy: ± 1% (daily accumulation), resolution: 5W / m2

UV Radiation

Range: 0~6mW/cm2; Accuracy: ±5% (0~3mW/cm2)

 

Model

Function

HWM-4

Temperature, humidity, Illuminance, CO2 Concentration

HWM-5

 Temperature, humidity, Illuminance, CO2 Concentration, PAR

HWM-6

 Soil temperature, soil moisture, temperature, humidity, light intensity, CO2 concentration

HWM-7

 Soil temperature, soil moisture, temperature, humidity, light intensity, CO2 concentration, PAR

HWM-8

 Soil temperature, soil moisture, soil salinity, temperature, humidity, light intensity, CO2 concentration, PAR

HWM-9

 Soil temperature, soil moisture, soil salinity temperature, humidity, light intensity, CO2 concentration, PAR, Soil pH

HWM-10

 Soil temperature, soil moisture, temperature, humidity, light intensity, CO2 concentration, PAR, wind seep and wind direction, rain gauge.

HWM-11

 Soil temperature, soil moisture, soil salinity, temperature, humidity, light intensity, CO2 concentration, PAR, wind speed and wind direction, rain gauge, soil pH

HWM-12

 Soil temperature, soil moisture, soil salinity, temperature, humidity, light intensity, CO2 concentration, PAR, wind speed and wind direction, rain gauge, soil pH, soil compaction

HWM-13

 Soil temperature, soil moisture, soil salinity, temperature, humidity, light intensity, CO2 concentration, PAR, wind speed and wind direction, rain gauge, soil pH, soil compaction, global solar radiation