Lux
Lux Light is commonly measured in foot-candles (ft-c) or lux. One lux is equal to one lumen per square meter and one foot-candle is equal to one lumen per square foot. To convert measurements use the following formula: foot-candle = lux x 0.0929 lux = foot-candle x 10.764 Measuring light levels are important for greenhouses, hydroponics, and aquaponics. Plants differ greatly in their light intensity requirements. Indoor plants are often classified by the amount of light necessa...
 
Testers
  pH, Conductivity, Total Dissolved Solids, and Temperature Testers In 1986, Hanna Instruments revolutionized the way pH is measured with the introduction of the pHep ® (pH electronic paper). This tester brought electronic pH measurement out of the lab, giving the general public, farmers, students, and many other users access to a pH meter that was highly accurate and simple to use. The meter was also very affordable at a price point less than $50.00. Since the introduction...
 
Humidity, Relative
Relative Humidity Relativity humidity is the amount of moisture in the air as a percentage of the maximum amount possible at a given temperature. Relative humidity is given in units of %RH. It is important to measure and control humidity within greenhouses and indoor hydroponic gardens. As part of photosynthesis plants transpire water through pores in their leaves, called stomata, into the air. This process also keeps plants cool, similar to sweat, and prevents them from overheating and...
 
GroLine Professional Tools for Growers
GroLine ® Professional Tools for Growers From farms, greenhouses, and homes we provide innovative instrumentation for Professional growers. The GroLine product family includes products to measure pH, conductivity and total dissolved solids (TDS). We offer meters from handhelds to nutrient dosing systems, and many include our unique CAL Check capability to identify the probe is working correctly. Over time, traditional pH probes can develop micro fractures in the sensing glass or internal...
 
New HALO pH Meter for Direct Soil Measurements
1/27/2020 New HALO pH Meter for Direct Soil Measurements Take Direct Soil Measurements with Specially Designed HALO Woonsocket, RI, February, 2017: Hanna Instruments recently added a new model to the HALO wireless pH meter line, the HI12922 . This new model features a conical glass tip designed for direct measurements in soil, soilless growth media, and soil slurries. This creative technology allows for fast, laboratory grade measurements perfect for anyone from farmers to home garden...
 
GroLine Hydroponics Waterproof pH, EC, TDS Meters & Testers
Hanna GroLine Meters and Testers designed for Hydroponic, Aquaponic, and Greenhouse Growers Most Groline Models provide these benefits Accurate – Professional grade pH/EC/TDS/Temperature electrodes and meters Fast – QuickCal single solution for calibration Waterproof - Withstands humidity and acci...
 
Conductivity TDS Meters, Testers, Probes, Solutions, & Accessories
Conductivity Electrolytic conductivity (EC) is a measurement made in which electrical charges on particles in a medium are moved under the influence of a potential difference. EC is a measure of concentration, not for a specific ion type. An ion is a charged particle present in the solution that contributes to the current flow. Ions are formed when a salt such as sodium chloride is dissolved in water to form electrically charged particles. A simplified example is sodium chloride that se...
Lux Lux Light is commonly measured in foot-candles (ft-c) or lux. One lux is equal to one lumen per square meter and one foot-candle is equal to one lumen per square foot. To convert... read more »
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Lux
Lux Light is commonly measured in foot-candles (ft-c) or lux. One lux is equal to one lumen per square meter and one foot-candle is equal to one lumen per square foot. To convert measurements use the following formula: foot-candle = lux x 0.0929 lux = foot-candle x 10.764 Measuring light levels are important for greenhouses, hydroponics, and aquaponics. Plants differ greatly in their light intensity requirements. Indoor plants are often classified by the amount of light necessa...
 
Testers
  pH, Conductivity, Total Dissolved Solids, and Temperature Testers In 1986, Hanna Instruments revolutionized the way pH is measured with the introduction of the pHep ® (pH electronic paper). This tester brought electronic pH measurement out of the lab, giving the general public, farmers, students, and many other users access to a pH meter that was highly accurate and simple to use. The meter was also very affordable at a price point less than $50.00. Since the introduction...
 
Humidity, Relative
Relative Humidity Relativity humidity is the amount of moisture in the air as a percentage of the maximum amount possible at a given temperature. Relative humidity is given in units of %RH. It is important to measure and control humidity within greenhouses and indoor hydroponic gardens. As part of photosynthesis plants transpire water through pores in their leaves, called stomata, into the air. This process also keeps plants cool, similar to sweat, and prevents them from overheating and...
 
GroLine Professional Tools for Growers
GroLine ® Professional Tools for Growers From farms, greenhouses, and homes we provide innovative instrumentation for Professional growers. The GroLine product family includes products to measure pH, conductivity and total dissolved solids (TDS). We offer meters from handhelds to nutrient dosing systems, and many include our unique CAL Check capability to identify the probe is working correctly. Over time, traditional pH probes can develop micro fractures in the sensing glass or internal...
 
New HALO pH Meter for Direct Soil Measurements
1/27/2020 New HALO pH Meter for Direct Soil Measurements Take Direct Soil Measurements with Specially Designed HALO Woonsocket, RI, February, 2017: Hanna Instruments recently added a new model to the HALO wireless pH meter line, the HI12922 . This new model features a conical glass tip designed for direct measurements in soil, soilless growth media, and soil slurries. This creative technology allows for fast, laboratory grade measurements perfect for anyone from farmers to home garden...
 
GroLine Hydroponics Waterproof pH, EC, TDS Meters & Testers
Hanna GroLine Meters and Testers designed for Hydroponic, Aquaponic, and Greenhouse Growers Most Groline Models provide these benefits Accurate – Professional grade pH/EC/TDS/Temperature electrodes and meters Fast – QuickCal single solution for calibration Waterproof - Withstands humidity and acci...
 
Conductivity TDS Meters, Testers, Probes, Solutions, & Accessories
Conductivity Electrolytic conductivity (EC) is a measurement made in which electrical charges on particles in a medium are moved under the influence of a potential difference. EC is a measure of concentration, not for a specific ion type. An ion is a charged particle present in the solution that contributes to the current flow. Ions are formed when a salt such as sodium chloride is dissolved in water to form electrically charged particles. A simplified example is sodium chloride that se...
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