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Environmental Controllers     Sentinel Controllers Download the Sentinel Controller selector chart Sentinel Home Page UTC-1/Universal Temperature Controller 15 amps @ 120 VAC 32 to 120 degrees F 0-99% rH +/- 2'F UTC-1 +/- 15'F Simple to use, 100% digital temperature control. Photocell allows separate day and night temperature settings. Record & recall minimum and maximum temperature levels. Features a heating or cooling mode with adjustable deadband and 16 ft remote probe. Watch Video Download Instructions List price $144.95 - 15% Off - Discount price $123.00 Qty:      EVC-1/Environmental Controller 15 amps @ 120 VAC 32 to 120 degrees F 0-99% rH +/- 2'F +/- 7% rH The EVC-1 provides extreme flexibility in a reliable solid-state environmental controller. Selectable C02, temperature and humidity modes allow the user to control temperature & humidity separately or together. Built-in photocell activates C02 device during the day. Night device outlet can conrol an exhause fan/sulfur burner, etc. Watch Video Download Instructions List price $199.95 - 15% Off - Discount price $170.00 Qty:      EVC-2 Environmental Controller 15 amps @ 120 VAC 32 to 120 degrees F 0-99% rH +/- 1'F +/- 3% rH The EVC-2 controls your temperature & humidity with digital accuracy. Photocell allows day/night temperature & humidity settings and also provides daytime C02 operation. The remote combination temperature & humidity probe allows the probe to be placed near plant canopy. It records & recalls minimum and maximum temperature & humidity levels. The EVC-2 has two temperature modes, heating & cooling with separate humidity control to add or remove humidity. Adjustable temperature deadband. Watch Video Download Instructions List price $299.95 - 15% Off - Discount price $255.00 Qty:      CHHC-1 Total Environmental Controller The CHHC-1 controls all of your growing area conditions accurately & reliably. First of all, it has all of the C02 control features of the CPPM-1. It also has the ability to control 3 other devices, a heating device and a humidity device. This controller is simple to use. You can set separate day and night temperature settings as well as humidity settings. Records the min and max temperature, humidity and C02 levels. Unlike some C02 controllers, the CHHC-1 is able to be calibrated by the user with our "self calibration feature". Watch Video Download Instructions List price $724.95 - 15% Off - Discount price $616.00 Qty:      CPPM-1 C02 Controller with Photocell The CPPM-1 controls your carbon dioxide levels with part-per-million accuracy. It uses a C02 sensor that is extremely accurate and features a ten-year life expectancy. Our combination C02 & light level sensor is housed in a separate remote sensor enclosure that can be located up to 100 ft from the controller. The CPPM-1 can also be connected to other controllers so that the C02 is disabled (useful when operating exhaust fans). It can be operated in fuzzy-logic mode (for compressed C02), or on-off (for C02 generators). Watch Video Download Instructions List price $599.95 - 15% Off - Discount price $510.00 Qty: