Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Meters, Timers & Instruments » Instruments, Thermometers, Hygrometers & Light Meters   Mobile   Secure |  My Account | Cart Contents | Checkout )
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Categories
* Lamps / Tubes / Bulbs ++ (544)
* Lighting Systems ++ (1141)
* Nutrients & Supplements (4163)
* Composters & Compost Tea Brewing (37)
* Organic Gardening (459)
* Leaf Shines & Washes (128)
* Pest & Disease Control (521)
* Cloning & Propagation (375)
* Grow Systems ++ (645)
! Meters, Timers & Instruments ++ (698)
  Calibration, Storage & Cleaning Solutions, pH Up & Down (216)
  ! Instruments, Thermometers, Hygrometers & Light Meters (28)
  pH, EC, PPM & TDS Testers (348)
  Timers & Lighting Controllers (106)
* Pots / Containers (885)
* Pumps, Irrigation & Watering Supplies ++ (1454)
* Grow Media (537)
* Plant Seeds (10)
* Environmental Control ++ (1945)
* Greenhouses (84)
* Grow Rooms / Tents (146)
* Reflective / B&W Films (120)
* Garden Accessories ++ (767)
* Hand Tools ++ (510)
* Gardening Books & DVDs (56)
* Growing Apparel (3)
Manufacturers more
What's New? more
Hydroton Original 25 Liter (60/Plt)
714114
Hydroton Original 25 Liter (60/Plt)
$14.28
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 19 guests and 
1 logged in customer online.
Frequent search words
Ads

What do we have here?
Meters, Timers & Instruments: Instruments, Thermometers, Hygrometers & Light Meters

Show: 
What do we have here?
Displaying 1 to 20 (of 28 products) Result Pages:  1  2  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model-   Price   Buy Now 
 13" Round Thermometer      13" Round Thermometer 
13" Round ThermometerKeep an eye on your growing area's temperature with this large numbered thermometer. ... — Ships from Portland, Oregon USA...more info.
 MI732   $10.95 
 Thermometer.      Thermometer. 
Farmtek Thermometer. Large and easy to read.... — Ships from Portland, Oregon USA...more info.
 MI731   $9.95 
 Digital Thermometer/Hygrometer.      Digital Thermometer/Hygrometer. 
Digital LCD Minimum, Maximum thermometer and humidity device. Allows you to reset minimum and maximum settings. Large letters for easy reading. Comes with 1 AA battery. This is not a controller. Displays the readings only. Very nice! Almost 4 1/2 height x 4 length almost 1 inch depth (thickness) screen is 2 1/2 x 3 inches.... — Ships from Portland, Oregon USA...more info.
 MI419   $24.95 
 Moisture/Light Meter.      Moisture/Light Meter. 
RAPITEST MOISTURE AND LIGHT METER WITH PROBE.... — Ships from Portland, Oregon USA...more info.
 MI212   $22.95 
 Wireless Weather Station w/Moon Phase      Wireless Weather Station w/Moon Phase 
La Crosse Technology Wireless Weather Station w/Moon Phase (LCT9066)Track what the weather is doing wirelessly. Receive outdoor temperature & humidity indoors. Included outdoor transmitter that has a range within 330 ft. Indoor display monitors indoor temp & humidity and moon phase. Manual 12 or 24 set time and requires 4 AAA batteries (not included.) Features• 8 Moon phase i... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-LCT9066   $24.74 
 La Crosse Technology Dry Temperature Probe w/ 6 ft Cord      La Crosse Technology Dry Temperature Probe w/ 6 ft Cord 
Includes (1) dry temperature probe (on 6ft. cable) to measure air or dry soil. Use probe to monitor a separate room, refrigerator, freezer, electronics, or plants.... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-LCT2101   $5.63 
 Temp & Humidity Wireless Alert System      Temp & Humidity Wireless Alert System 
La Crosse Technology Temp & Humidity Wireless Alert System (LCT1111)Use a smartphone, tablet or computer to receive alerts and remotely monitor temperature and humidity levels that affect your greenhouse, garden or other sensitive plants.* Monitor ambient temperature and humidity to prevent damage to sensitive plants, frozen pipes or mold growth.* • Measures ambient air tempe... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-LCT1111   $95.54 
 12" Temperature/Humidity Gauge   HydroFarm   12" Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge (HGTHG)Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment.   Manufacturer's Product Informat... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HGTHG   $19.43 
 Active Air Hygro-Thermometer   HydroFarm   Active Air Hygro-Thermometer 
Active Air Active Air Hygro-Thermometer (HGIOHTJ)You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's readings are extremely accurate. Prop it up on your workspace, close to your plants, or wall-mou... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HGIOHTJ   $15.54 
 Active Air Indoor-Outdoor Thermometer w/Hygrometer   HydroFarm   Active Air Indoor-Outdoor Thermometer w/Hygrometer 
Active Air Active Air Indoor-Outdoor Thermometer w/Hygrometer (HGIOHT)Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once and record the high a... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HGIOHT   $14.12 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT WITH 120 VOLT PIGGYBACK POWER CORDThis thermostat is wired and ready to go. Simply plug your fan into the piggy back power cord. It is water tight with a protective plastic cover. Nice unit. Gas filled coil thermostat for great reliability and accuracy. Turns equipment ON at 4 degrees above the set point and OFF 3 degrees below set point. Ma... — Ships from Portland, Oregon USA...more info.
 FA201   $92.95 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT. HARDWIRE 120 OR 240. Made in HollandThis thermostat requires you to hardwire a piggy back power cord into it or install it in-line through your wall outlet electrical system. Comes with instructions.... — Ships from Portland, Oregon USA...more info.
 FA200   $63.95 
 Quantum Light Meter   HydroFarm   Quantum Light Meter 
Measures grow lights or sunlight 3 scales for precise readings Convenient hand-held remote sensor Lifetime silicon cell - includes battery, informative booklet with lighting recommendations and carrying case... — Ships from Seattle, Washington USA Free Shipping when ordering $50 or more of qualifying items....more info.
 eco-5552   $192.46 
 Hydrofarm Light Meter   HydroFarm   Hydrofarm Light Meter 
Hydrofarm Light Meter (eco-4541)Hydrofarm Light Meter (Footcandles) Hydrofarm Light Meter Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types of energy (in the lighting spectrum) drive the photosynthesis process. Since light is the most important single factor affecting your... — Ships from Seattle, Washington USA...more info.
 eco-4541   $17.21 
 Temperature/Humidity Gauge      Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment. SKU: HGTHG ... — Ships from Seattle, Washington USA...more info.
 eco-2369   $17.96 
 SUCTION CUP Thermometer      SUCTION CUP Thermometer 
SUCTION CUP Thermometer Provide accurate water temperature. Easy to read. Includes suction cup for easy mounting.... — Ships from DL: Livermore, California USA...more info.
 dl-997412   $1.86 
 GRO1 Wireless Sensor      GRO1 Wireless Sensor 
GRO1 Wireless Sensor (301015)This sensor pairs exclusively with the Gro1 Wireless Weather Station (part # 301005), displays the temperature and humidity readings, and has a range of up to 165 feet. A maximum of 3 sensors may be paired per station. Manufacturer's Product Information ... — Ships from DL: Livermore, California USA...more info.
 dl-301015   $9.99 
 GRO1 Wireless Weather Station + Sensor      GRO1 Wireless Weather Station + Sensor 
GRO1 Wireless Weather Station + Sensor (301005)The Gro1 Wireless Weather Station + Sensor is the perfect system to help keep track of the temperature and humidity in multiple grow rooms or greenhouses. The station comes with 1 sensor, but can pair with up to 3, each with a wireless range of up to 165 feet. Additional sensors may be purchased separately (product #301015). This weath... — Ships from DL: Livermore, California USA...more info.
 dl-301005   $20.63 
 GRO1 Weather Station (Non-wireless)      GRO1 Weather Station (Non-wireless) 
GRO1 Weather Station (Non-wireless) (301001)The Gro1 Weather Station is the must-have product for every grow room or greenhouse. This weather station displays the date and time, the electronic weather forecast, temperature, humidity, 12 hour thermometer trend, and the indoor comfort index (dry, wet, comfortable). It also features an Alarm and Snooze function and bright blue LED bac... — Ships from DL: Livermore, California USA...more info.
 dl-301001   $9.31 
 Indoor Weatherman.   Control Wizard   Indoor Weatherman. 
Indoor Weatherman by Control Wizard Products.Minimum/Maximum Thermometer with Humidity Readings as well.... — Ships from Portland, Oregon USA...more info.
 CW610   $12.44 
Displaying 1 to 20 (of 28 products) Result Pages:  1  2  [Next >>] 
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Estimate Shipping Costs by adding a product to the cart.
Shop By Price
Reviews more
Simple CO2 Tubing Hanger
The perfect product for arranging my co2 tubing. Took me les ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

BLOW MOLDED NURSERY POT 25 GALLON
BLOW MOLDED NURSERY POT 25 GALLON
$9.98
$8.94
Most Viewed in Instruments, Thermometers, Hygrometers & Light Meters
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
Digital Thermometer/Hygrometer.
Digital Thermometer/Hygrometer.
Hydrofarm Light Meter
Hydrofarm Light Meter
LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
Indoor Weatherman.
Indoor Weatherman.
Watertight Thermostat.
Watertight Thermostat.
Watertight Thermostat.
Watertight Thermostat.
Moisture/Light Meter.
Moisture/Light Meter.
Thermometer.
Thermometer.
SUN SYSTEM HANDHELD PAR METER
SUN SYSTEM HANDHELD PAR METER
Light Meter - HortiCare LITEcheck
Light Meter - HortiCare LITEcheck
13" Round Thermometer
13" Round Thermometer
Quantum Light Meter
Quantum Light Meter
MINI GREENHOUSE THERMO-HYGROMETER
MINI GREENHOUSE THERMO-HYGROMETER
SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR
SUN SYSTEM HANDHELD PAR METER W/ REMOTE SENSOR
Temperature/Humidity Gauge
Temperature/Humidity Gauge
GRO1 Wireless Weather Station + Sensor
GRO1 Wireless Weather Station + Sensor
Samsung Max & Vivace Replacement Programmable Thermostat
Samsung Max & Vivace Replacement Programmable Thermostat
GRO1 Wireless Sensor
GRO1 Wireless Sensor
Bestsellers
01.Active Air Hygro-Thermometer
02.Active Air Indoor-Outdoor Thermometer w/Hygrometer
03.Temp & Humidity Wireless Alert System
04.Wireless Weather Station w/Moon Phase
05.12" Temperature/Humidity Gauge
06.La Crosse Technology Dry Temperature Probe w/ 6 ft Cord
07.Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
08.Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor
09.Hydrofarm Light Meter
10.Digital Thermometer/Hygrometer.
11.Indoor Weatherman.
12.GRO1 Wireless Sensor
13.LUXPRO« PROGRAMMABLE DIGITAL THERMOSTAT
14.GRO1 Wireless Weather Station + Sensor
15.MINI GREENHOUSE THERMO-HYGROMETER
Languages
English Deutsch Espa˝ol
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
Frame It All - Simple Modular Gardens

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Merchant Services
HorticultureSource.com is an Upfront Merchant on TheFind. Click for info. Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2014 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order