Posted by Lilly | Posted in Hydroponics & Seed Starting | Posted on 31-07-2010
Tags: beef, control, hydroponics, hydroponics controllers, irrigation, water

Sentinel CHHC-1 controller demonstration
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Hydrofarm MTPRTC Digital Thermostat For Heat Mats
$25.99 NEW AND IMPROVED - Our new heat mat thermostat is digital for greater accuracy. * Digital temperature controller for heat mats * Provides constant optimum temperatures for specific crops * Controls temperature in colder or warmer environments * Illuminated indicator light; 3-prong ground plug * Compatible with all heat mats; optional for Hydrofarm Seedling Heat Mats * Controllable range fro... |
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CAP ART-DNe Adjustable Recycle Timer
$68.67 The ART-DNe recycling timer controls any application requiring a device to be turned on and off at precise intervals. The ART-DNe has a user adjustable on time of 1 second to 60 minutes and an off time of 1 minute to 8 hours. A day/night/both switch allows you to select the time period that the ART-DNe will operate. The ART-DNe timers have a wide range of uses including controlling hydroponic pump... |
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C.A.P. TMP-DNe DAY/NIGHT TEMPERATURE CONTROL
$58.00 The TMP-DNe allows you to control the temperature within your growing environment. You can set the day and night temperature independently. The TMP-DNe can be set to either heat or cool. Just connect your equipment, then set the temperature that you wish to maintain. If the temperature varies from your setting, the outlet on the front is activated. The temperature differential can be set at 3, 5 o... |
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Hanna Instruments-HI 9931 Hydroponics Wall-Mount Conductivity Controller With Proportional Function
HI 9931 is a conductivity wall-mounting meter that mea-sures and controls conductivity in the 0 to 10 EC (mS/cm or mmho/cm). A single setpoint allows for proportional dosage of fertilizer solutions. The proportional settings can be fine tuned through two conveniently positioned dials on the front panel. The time cycle is adjustable from 0 to 90 seconds and the proportional band from 0 to 1.6 EC. C... |
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Hanna Instruments-HI 9934 Hydroponics Wall-Mount TDS Controller With Proportional Function
HI 9934 is similar to HI 9931 but with a measurement scale in TDS. This wall-mounting meter controls TDS in the 0 to 1999 ppm (mg/L) range through a single setpoint for dosage of fertilizers. The proportional control can be fine tuned through the time cycle between 0 to 90 seconds and the proportional band from 0 to 400 ppm. Coarse and fine as well as a slope trimmer make for an accurate setting a... |
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Duct Stat Plug In Temperature Sensitive Switch
$24.74 The DuctStat Temperature Sensitive SwitchTM will turn a device on or off due to temperature rise or temperature fall from the user adjustable set point.It controls various devices including fans, alarms, heat lamps, lights, and has an adjustable temperature range: 45°F (4°C) to 110°F (43°C). For indoor use only.... |




