Category Archives: Meters & Testers

Hydrofarm TM01015 1725 Watt 24 Hour Grounded Timer

Hydrofarm TM01015 Grounded Timer, 15 Amp, 1725 Watt

15 amp / 1725 watt grounded timer is use to automate your lighting adds convenience and encourages productive growth with consistent hours of light. The timer on’s and off’s in every 15 minutes. Timers are also essential for all hydroponic system applications. It includes convenient clam shell packaging, UL listed and great for lighting, pumps, etc. The warranty period is 1 year. Measures 9-inch length by 4.1-inch width by 2.3-inch height.

  • Grounded timer
  • Great for automating your lighting
  • Adds convenience and encourages productive growth with consistent hours of light
  • Essential for all hydroponic system applications
  • Includes convenient clam shell packaging
  • 15 amp
  • UL listed
  • 24 hour
  • 1725 watts
  • Length: 9
  • Width: 18.5
  • Height: 2.3

Hydrofarm LG17000 Light Meter

  • Light meter
  • Identify best light level of healthy plants
  • Easy to use hand held design
  • Get precise reading with 2 scales
  • Includes instructions and brochure
  • Lifetime silicon sensor- no batteries required
  • Reads up to 5000 foot candles of sun high intensity or fluorescent light
  • Exclusive zero calibration feature
  • Accurate to 2%
  • Length: 10.1
  • Width: 5.1

Hydrofarm HMDPH200 Waterproof PH & Temperature Meter

The Hydrofarm HMDPH200 measures pH and Temperature, and includes a 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it’s dried up. Auto-ranging three point calibration with digital fine tuning, waterproof housing, and simultaneous temperature display are all features of this piece. It has a measurement range of 0-14 pH.

Some other nice elements of the HMDPH200 is the digital calibration push button, auto-off function, data-hold function, and low battery indicator. The large LCD screen is easy to read and includes a temperature reading. Package comes complete with a cap, batteries, and lanyard!

  • Meter
  • Measures pH and temperature
  • Auto ranging 3 point calibration with digital fine tuning
  • Simultaneous temperature display
  • Measurement range 0-14 pH
  • Auto off function data hold function and low battery indicator
  • Large easy to read LCD screen
  • Includes a cap lanyard and batteries
  • Waterproof
  • Length: 2
  • Width: 3.3
  • Height: 8.5

Hydrofarm HMDCOM100 Waterproof EC-TDS & Temperature Combo Meter

HM Digital’s COM-100 is a waterproof combination EC/TDS/Temperature meter that is ideal for all water quality testing, water purification applications, drinking water, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM-100 is a professional level EC/TDS meter at an unbeatable price.

  • Combo meter
  • Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
  • Four scales: µS, mS, ppm, ppt (mS and ppt are new)
  • 3 different calibration options
  • Three different nonlinear EC to TDS conversion factors (KCl, 442TM, NaCl)
  • Automatic temperature compensation
  • Waterproof
  • Length: 8.9
  • Width: 2.1
  • Height: 2.9

Hydrofarm HMDC1000 1000ppm Calibration Solution

HM Digital 1000ppm TDS Calibration Solution

  • Calibration solution
  • Laboratory quality NIST-traceable solutions
  • Any brand TDS meter can be calibrated to any brand of calibration solution
  • Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle
  • Sealed with a coated foam liner
  • Lightweight HDPE plastic bottle
  • 1000ppm
  • Length: 1.3
  • Width: 1.3
  • Height: 3.3

Hydrofarm HGTLCRV Curved Thirsty Light

  • Thirsty light
  • Digital plant moisture sensor that blinks an LED to alert the user when it is time to water a potted plant
  • Tests the moisture level once per second
  • Senses 5 different levels of dryness causing the light to blink faster as the soil gets dryer
  • Includes a low battery mode
  • Also includes a comprehensive and informative user and watering guide
  • Angled probe for hanging on plants
  • Great for dorms homes or offices
  • Length: 7.5
  • Width: 5.5
  • Height: 1.25

Hydrofarm HGTL Thirsty Light Original Digital Indoor Plant Moisture Sensor

Thirsty Light Original Digital Indoor Plant Moisture Sensor

  • Thirsty light
  • Digital plant moisture sensor that blinks an LED to alert the user when it is time to water a potted plant
  • Tests the moisture level once per second
  • Senses 5 different levels of dryness causing the light to blink faster as the soil gets dryer
  • Includes a low battery mode
  • 2 Replaceable 1/5v batteries
  • Also includes a comprehensive and informative user and watering guide
  • Perfect for forgetful plant waterers
  • Length: 9.5
  • Width: 6
  • Height: 8

Hydrofarm HGIOHT ActiveAir Indoor Outdoor Thermometer With Hygrometer

Hydrofarm HGIOHT ActiveAir Indoor Outdoor Thermometer with Hygrometer

  • Thermometer
  • Large display shows current temperature and humidity levels
  • Includes a remote probe for second zone temperature
  • Records high and low points for both temperature and humidity
  • Can be used indoors and outdoors
  • Includes a hygrometer
  • Length: 8.75
  • Width: 3.8

Hydrofarm AEM30 7 x 7 x 3.2cm 30x Active Eye Loupe

Hydrofarm AEM30 30x Active Eye Loupe

  • Active eye loupe
  • Easily identifies pests disease or plant species to target fast solutions
  • Provides targeted optimal illumination
  • Compact and lightweight design
  • Super bright LED bulb to illuminate specimens
  • Includes batteries and case
  • 30x
  • Length: 2.75
  • Width: 1.25
  • Height: 2.75