TrolMaster Day/Night Fan Speed Controller (BETA-2)TROLMASTER DAY NIGHT FAN SPEED CONTROLLER BETA2 The BETA 2 can control variable speed fans by using the current temperature to increase or decrease the fan speed. By increasing the fan speed, cooling is increased decreasing fan speed will reduce cooling capacity. Using the BETA 2 in this way provides a VERY economical and efficient way of dealing with heat within an enclosed space. PACKAGE CONTENTS: 1x Fan Controller 1x Temperature Sensor

Plugs directly into all Systemair’s EC fan range

Dispense with a pipette

Meter length: 40

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6667%} PH PAL PLUS METER

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1m x 1m x 1

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Mode 1 - when the temperature probe is connected

Compatible with 600W HPS and MH grow lamps

Repeat after one week if necessary