CH24 External Power Supply

The CH24 is a 100 – 240Volts AC Mains to 24Volts DC power supply adapter; capable of outputting up to 2.5Amps. It can power up 50 ICT Instruments continuously. The CH24 power supply has a stable, low ripple/noise output that is ideal for sensitive measurement systems.

ICT recommend using a 24Volts DC power supply like the CH24 to recharge ICT Instruments every 3 months to ensure longevity of internal batteries, if the instruments are stored for long and not operated.

ICT Instruments require a 8 Volts minimum to 30 Volts maximum DC power supply. The maximum battery charging external power draw set by the charge controller in a SFM1, PSY and VSL is 3.2Watts. For the AML and HFD it is 6.8Watts.

The continuous power consumption by ICT Instruments is dependent upon many variables. E.g. for VSL & AML it is dependent on the number of sensors, type of sensors, if sensors are powered continuously and the logging interval of measurements. For a SFM1 the heat pulse and logging interval also affect the power consumption.

When ICT Instruments are fully charged the continuous external power draw is approximately 0.9Watts for the SFM1, PSY1 and VSL loggers.

CH24 Instructions for connection to instruments

PLEASE NOTE: If you connect the CH24 to permanently power an instrument, it is recommended to use a timer switch to cycle the battery charge, for instance 8-10h charge and the rest for discharge. Try to charge the instruments at night, and let them discharge during the day. You need the timer switch for SFM1, PSY1, HFD, VSL, but NOT for SFM1x.

The CH24 is supplied with an IEC C13 power cable specific to common power socket types:

• CH24 AU for Australia
• CH24 EU for Europe (excluding UK and Ireland)
• CH24 US for North America and other markets that use the same plug

UK market are available on request.

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