Environmental Controllers, Monitors, & Timers

For optimal indoor gardening performance, reliable timers and instruments are crucial. As the leading distributor of Hawthorne signature brands, our selection includes the renowned Titan Controls lineup, featuring Apollo Series timers. Additionally, we provide high-precision tools like PAR meters, chlorophyll concentration meters, and temperature and humidity monitoring devices from leading brands like Apogee Instruments and AC Infinity.

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GAVITA EL3 to TITAN SENSOR ADAPTER CABLE

GAVITA EL3 to TITAN SENSOR ADAPTER CABLE

Q112526
  • Connects Gavita® EL3 Master controller to first Titan Controls® VPD Sensor or Titan Controls® Substrate Sensor.
  • Products then daisy chain together after this first connection.
Titan Controls Apollo 6 - One Outlet Mechanical Timer (10/Cs)

Titan Controls Apollo 6 - One Outlet Mechanical Timer (10/Cs)

Q100775

The Apollo® 6 - 24 hr timer is the perfect timing solution for your hydro systems. With a 12 Amp capacity, it's easy to set to run your pumps, fans, etc. The Apollo® 6 has 96 non-detachable 15 min trippers and can be configured in numerous timing schedules to meet the most demanding timing requirements. One (1) outlet. 15 min intervals. Heavy-duty construction. Easy to use and simple to operate. Enclosure resists dust, rust and moisture. 12 Amps maximum/120 V/60 Hz.

Titan Controls Apollo 7 - One Outlet Digital Timer (10/Cs)

Titan Controls Apollo 7 - One Outlet Digital Timer (10/Cs)

Q100776

The Apollo® 7 - 24 hr digital timer is the perfect timing solution for your hydro systems. With a 15 Amp capacity, it's easy to set to run your pumps, fans, etc. The Apollo® 7 may be set to 1 min intervals and run 8 separate schedules per day. Can be configured in numerous timing schedules to meet the most demanding timing requirements. One (1) outlet with 1 min intervals. Battery backup feature saves settings if power goes out. Enclosure resists dust, rust and moisture. 15 Amps maximum/120 V/60 Hz. HINT: If not working properly, plug in for 5 min and press the reset button. Generally this fixes the problem.

Titan Controls Apollo 8 - Two Outlet Mechanical Timer (10/Cs)

Titan Controls Apollo 8 - Two Outlet Mechanical Timer (10/Cs)

Q100777

The Apollo® 8 - 24 hr timer is the perfect timing solution for your hydro systems. With two outlets and a 15 Amp capacity, it's easy to set to run your pumps, fans, etc. The Apollo® 8 has 96 non-detachable 15 min trippers and can be configured in numerous timing schedules to meet the most demanding timing requirements. Two (2) outlets. 15 min intervals. Heavy-duty construction. Easy to use and simple to operate. Enclosure resists dust, rust and moisture. Do not use with digital ballasts. 15 Amps maximum/120 V/60 Hz.

Mondi™ Mini Greenhouse™ Thermo-Hygrometer

Mondi™ Mini Greenhouse™ Thermo-Hygrometer

P_00355
  • Patented design, precisely monitors temperature and humidity levels inside the Mondi™ Mini Greenhouse or other environments
  • Comes in black, green, orange, and white.
  • Provides growers with real-time temperature and humidity data and eliminates the need to open the dome for readings.
  • Ideal for successful large-scale propagation of seedlings and cuttings.
  • Includes a proprietary 8 mm (0.315 inch) drill piece, placement sticker, and product information guide.
  • Dimensions (LxWxH): 4.1 x 0.3 x 1.2 in (10.41 x 0.76 x 3.05 cm).
Mondi Mini Greenhouse Thermo-Hygrometer Black

Mondi Mini Greenhouse Thermo-Hygrometer Black

Q101316
  • Patented design, precisely monitors temperature and humidity levels inside the Mondi Mini Greenhouse or other environments.
  • Comes in Black, Green, Orange, and White.
  • Provides growers with real-time temperature and humidity data, and eliminates the need to open the dome for readings.
  • Ideal for successful large-scale propagation of seedlings and cuttings.
  • Use with Mondi Mini Greenhouse.
Mondi Mini Greenhouse Thermo-Hygrometer Green

Mondi Mini Greenhouse Thermo-Hygrometer Green

Q101317
  • Patented design, precisely monitors temperature and humidity levels inside the Mondi Mini Greenhouse or other environments.
  • Comes in Black, Green, Orange, and White.
  • Provides growers with real-time temperature and humidity data, and eliminates the need to open the dome for readings.
  • Ideal for successful large-scale propagation of seedlings and cuttings.
  • Use with Mondi Mini Greenhouse.
Mondi Mini Greenhouse Thermo-Hygrometer Orange

Mondi Mini Greenhouse Thermo-Hygrometer Orange

Q101318
  • Patented design, precisely monitors temperature and humidity levels inside the Mondi Mini Greenhouse or other environments.
  • Comes in Black, Green, Orange, and White.
  • Provides growers with real-time temperature and humidity data, and eliminates the need to open the dome for readings.
  • Ideal for successful large-scale propagation of seedlings and cuttings.
  • Use with Mondi Mini Greenhouse.
Mondi Mini Greenhouse Thermo-Hygrometer White

Mondi Mini Greenhouse Thermo-Hygrometer White

Q101319
  • Patented design, precisely monitors temperature and humidity levels inside the Mondi Mini Greenhouse or other environments.
  • Comes in Black, Green, Orange, and White.
  • Provides growers with real-time temperature and humidity data, and eliminates the need to open the dome for readings.
  • Ideal for successful large-scale propagation of seedlings and cuttings.
  • Use with Mondi Mini Greenhouse.
Digital Min/Max 303C Temperature and Humidity Meter

Digital Min/Max 303C Temperature and Humidity Meter

Q101320
  • Indoor/outdoor thermo-hygrometer with clock.
  • Separate display for time, humidity and temperature.
  • Memory for the highest and lowest temperature and humidity.
  • Designed to stand or to be hung.
  • Indoor/outdoor temperature range: -50°C (-58°F) - +70°C (+158°F).
  • Humidity measure range: 20% RH - 90% RH.
  • Battery included.
Apogee Instruments MQ-500 Full-Spectrum Quantum Meter (400 nm to 700 nm), 6.5' (2 m) Cable Lead

Apogee Instruments MQ-500 Full-Spectrum Quantum Meter (400 nm to 700 nm), 6.5' (2 m) Cable Lead

Q101337
  • Measures photosynthetically active radiation.
  • Hand-held meter displays and stores measurements.
  • Sensor features blue-enhanced silicon photodiode and custom optical filters.
  • Designed for PPFD measurement in various environments: outdoor, greenhouses, growth chambers.
  • Ideal for aquatic environments like saltwater aquariums for coral growth.
  • Features sample and log modes.
  • Sample mode records up to 99 manual measurements.
  • Log mode averages measurements every 30 minutes.
  • Data can be reviewed on LCD or downloaded to a computer.
  • Requires AC-100 communication cable and ApogeeAMS software for computer download.
  • 6.5 foot (2 meter) cable lead.
Apogee Instruments MQ-500 Full-Spectrum Quantum Meter (400 nm to 700 nm), 16' (5 m) Cable Lead

Apogee Instruments MQ-500 Full-Spectrum Quantum Meter (400 nm to 700 nm), 16' (5 m) Cable Lead

Q101338
  • Measures photosynthetically active radiation.
  • Hand-held meter displays and stores measurements.
  • Sensor features blue-enhanced silicon photodiode and custom optical filters.
  • Designed for PPFD measurement in various environments: outdoor, greenhouses, growth chambers.
  • Ideal for aquatic environments like saltwater aquariums for coral growth.
  • Features sample and log modes.
  • Sample mode records up to 99 manual measurements.
  • Log mode averages measurements every 30 minutes.
  • Data can be reviewed on LCD or downloaded to a computer.
  • Requires AC-100 communication cable and ApogeeAMS software for computer download.
  • 16 foot (5 meter) cable lead.
Apogee Instruments MC-100 Chlorophyll Concentration Meter

Apogee Instruments MC-100 Chlorophyll Concentration Meter

Q101339
  • Patented chlorophyll concentration meter.
  • Measures and displays chlorophyll concentration from intact leaf samples.
  • Does not damage plant material.
  • Applications: assessment of nutrient status, fertilizer requirements, stress evaluation, harvest optimization.
  • Calibrated in units of µmol of chlorophyll per m2.
  • Also outputs relative units (CCI or SPAD).
Apogee Instruments AA-090 Neoprene Protective Pouch 5" x 8" x 1" (13 x 20 x 3 cm)

Apogee Instruments AA-090 Neoprene Protective Pouch 5" x 8" x 1" (13 x 20 x 3 cm)

Q101340
  • Neoprene protective pouch.
  • Safely stores Apogee meters, microCache devices, and sensors.
  • Water-resistant.
  • Zippered closure.
  • 5 x 8" x 1 inches (13 x 20 x 3 centimeters).
Apogee Instruments AA-100 Protective Carrying Case 11" x 9" x 3.5" (28 x 23 x 9 cm)

Apogee Instruments AA-100 Protective Carrying Case 11" x 9" x 3.5" (28 x 23 x 9 cm)

Q101341
  • Designed for transporting and storing Apogee meters, sensors, and accessories.
  • Does not accommodate the AM-320 underwater wand.
  • Compatible with the AM-310 telescopic wand (not recommended for underwater use).
  • 11 x 9 x 3.5 inches (28 x 23 x 9 centimeters).
Apogee Instruments AC-100 Communication Cable

Apogee Instruments AC-100 Communication Cable

Q101342
  • Essential for downloading data from handheld meters to a computer.
  • Cable contains electronics to convert meter signal to USB signal recognized by computer.
  • ApogeeAMS software included on flash drive.
  • Software compatible with Windows (XP and later) and Mac (10.10 and later) systems.
Apogee Instruments AL-100 Solar Sensor Leveling Plate

Apogee Instruments AL-100 Solar Sensor Leveling Plate

Q101343
  • Compatible with Apogee Instruments solar radiation sensors (excluding field spectroradiometers).
  • Designed for flat surfaces or mounting.
  • Integrated bubble level ensures sensor levelness for proper installation.
  • Not compatible with AL-120 mounting system.
Apogee Instruments AM-020 PVC Sensor Platform

Apogee Instruments AM-020 PVC Sensor Platform

Q101344
  • A soft PVC stabilizing platform.
  • Features a counter-sunk hole for attachment of Apogee light sensor heads.
  • Designed for sitting on tables and other surfaces.
  • Keeps the sensor upright but doesn't guarantee levelness.
  • For perfect leveling, use AL-120 mounting bracket with leveling plate.
  • Included with purchase of µCache (AT-100).
Apogee Instruments AM-310 Telescopic Sensor Wand

Apogee Instruments AM-310 Telescopic Sensor Wand

Q101345
  • Telescopic wand with mounting fixture at end.
  • Extendable to 33 inches (84 centimeters).
  • Facilitates sensor placement in hard-to-reach areas.
  • Two mounting holes for various sensor diameters.
  • Not suitable for wet environments.
  • For freshwater and saltwater, use AM-320 wand.
Apogee Instruments P2-141 microCache and PAR-FAR Monitoring Package, 11.8" (30 cm) Cable

Apogee Instruments P2-141 microCache and PAR-FAR Monitoring Package, 11.8" (30 cm) Cable

Q101346
  • P2-141 microCache and PAR-FAR monitoring package.
  • Includes S2-141-SS PAR-FAR sensor with 11.8 inch cable and MicroCache Bluetooth micro-logger.
  • Powerful tool for monitoring photosynthetically active radiation.
  • Research-grade accuracy for optimal plant growth.
  • S2-141-SS PAR-FAR sensor measures PAR (PPFD) and far-red outputs.
  • AT-100 microCache micro-logger collects over 400,000 data points.
  • Free ApogeeConnect app for real-time measurements.
  • Monitor and graph daily light integrals; download datasets.
  • Custom datalogging intervals.
  • Assure photoperiods.
Quest DEH 3000R Controller

Quest DEH 3000R Controller

Q113731
  • Monitor and control moisture levels.
  • Manage fresh air ventilation.
  • Central fan integration.
  • A/C sensor activates or deactivates the dehumidifier.
  • High temperature cutout.
  • Dry out cycle timer.
  • Auto reboot.
  • Ventilation options.
Honeywell HumidiPRO
Apogee Instruments MS-100 InSight Handheld Spectroradiometer

Apogee Instruments MS-100 InSight Handheld Spectroradiometer

Q113905
  • Specialized photobiology spectroradiometer from 380 to 780 nm.
  • Small and lightweight, with a rugged housing and minimal moving parts.
  • Self-powered to take measurements anywhere, and the unit can store measurements for dowloading to a PC later.
  • Measurement of spectral output from radiation sources used for growing in greenhouses, growth chambers, etc.
  • Measurement of solar spectra with changing atmospheric conditions.
  • Measurement of spectral reflectance on stationary (e.g., agricultural or ecological weather stations and flux towers), and mobile (e.g., plant phenotyping) platforms.
Autopilot Desktop CO2 Monitor with Memory & Data Storage, Removable Data Card

Autopilot Desktop CO2 Monitor with Memory & Data Storage, Removable Data Card

Q115728
  • Desktop CO2 monitor for detecting CO2, temperature, and humidity.
  • Smart, compact, and easy to use for ambient air monitoring.
  • Green back-lit LCD display for easy nighttime viewing.
  • Independent CO2, RH, and temperature readings shown on screen.
  • Continuously records data every 5 seconds to included microSD card.
  • Records and exports 1 year of environmental data.
  • Data converts to Microsoft Excel format for easy review.
  • Displays max and min readings across multiple zoom levels.
Autopilot ECLIPSE F60 Digital Environmental Controller

Autopilot ECLIPSE F60 Digital Environmental Controller

Q115730
  • Digital environmental controller for temperature, humidity, and timing control.
  • Three digital screens display temperature, humidity, and cycle countdown.
  • Four outlets control heating, cooling, humidity, and a cycle-timed device.
  • Separate day and night set points for temperature and humidity control.
  • Cycle timer outlet supports day only, night only, or 24-hour modes.
  • Remote probe with photocell reads temperature, humidity, and daylight.
  • Records high and low levels of temperature and humidity.
  • ETL-listed controller with LED mode indicators and power-failure protection.
Autopilot Digital CO2 Monitor & Controller w/15' Remote Sensor

Autopilot Digital CO2 Monitor & Controller w/15' Remote Sensor

Q115727
  • CO2 monitor and controller for controlling and recording CO2 levels.
  • Simple and affordable way to monitor grow room CO2 levels.
  • Tracks CO2 trends over minutes, hours, days, or 7 days.
  • Fully customizable CO2 setpoint and ppm deadband.
  • Trend Chart records CO2 levels per minute, hour, day, and week.
  • Adjustable zoom levels allow tracing ppm changes over time.
  • Remote CO2 sensor probe with 4.5 m (15 ft) data cable.
  • Low drift NDIR sensor provides precise CO2 ppm readings.
  • Amperage/wattage: 15A max/120V
Active Air CO2 Regulator/Solenoid with Timer

Active Air CO2 Regulator/Solenoid with Timer

Q115756
  • CO2 regulator and solenoid system for controlled plant growth enhancement.
  • Programmable timer automatically maintains ideal CO2 levels.
  • Delivers adjustable output from 1-20 cu. ft. per hour.
  • User-friendly design that is easy to set up and operate.
Active Air Indoor/Outdoor Digital Thermometer with Hygrometer

Active Air Indoor/Outdoor Digital Thermometer with Hygrometer

Q115778
  • Indoor/outdoor digital thermometer with built-in hygrometer.
  • Large display shows current temperature and humidity readings.
  • Remote probe measures a second temperature simultaneously.
  • Records high and low temperature and humidity levels for tracking.
  • 3-meter (10 ft) sensor for temperature reading only.
  • Relative humidity sensor located on side of unit.
  • Alarm clock function at 12 and 24 hours.
Active Air Digital Hygro-Thermometer

Active Air Digital Hygro-Thermometer

Q115779
  • Digital hygro-thermometer for monitoring temperature and humidity levels.
  • Large LCD jumbo display allows easy reading from a distance.
  • Extremely accurate readings for reliable grow room monitoring.
  • Displays current, high, and low temperature and humidity memory.
  • Indoor and outdoor temperature readings with auto-switch display.
  • Includes a 3 meter (10 ft) remote temperature probe for flexible placement.
  • Multiple mounting options: tabletop display or wall-mounted use.
  • Built-in alarm clock with 12- or 24-hour time format.
Autopilot Dual-Outlet Analog Grounded Timer, 15-Minute On/Off, 24 Hour, 15A/1725W

Autopilot Dual-Outlet Analog Grounded Timer, 15-Minute On/Off, 24 Hour, 15A/1725W

Q115854
  • Dual-outlet analog timer designed to automate grow lighting equipment.
  • 24-hour cycle with 15-minute on/off settings.
  • Controls two outlets at once.
  • Adds convenience and consistency for productive plant growth.
  • Amperage/wattage:15A/1725W.
  • UL-listed.
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