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Adjustable On/Off Cyclic 60 Minute Timer Kit

Adjustable On/Off Cyclic 60 Minute Timer Kit

List price: £17.62 incl VAT  
£6.61 incl VAT
(£5.51 exc. tax) You save: £9.17 (62%)
Price in points: 1102 points
2902-250
50.00 g.
3 item(s)
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Quick Overview

  • Supply voltage: 12V Regulated or 9V Unregulated DC Adapter

  • Timing adjustment:
    ON period from 6 second to 60 minutes
    OFF period from 6 second to 60 minutes

 

Kit version: The CK191M1 is a new version of the popular CK191 cyclic timer with unlimited applications. It is adjustable from approximately 6 second to 60 minutes. The timer incorporates a relay which can handle loads of up to 3A / 110V AC or 24V DC. The timer offers independent On and Off time adjustments through two PCB mounted variable resistors.

New Improvements & Features

This new version of the CK191 offers the following additional features as compared to the original design:

1. On and Off LED Indicators.

2. Professional Screw-on Terminals for relay output as well as an on-board DC jack for easy connection to a DC adapter.

3. Greatly Improved Accuracy. The original design was a conventional timer based on the popular 555 timer integrated circuit. All 555 based timers suffer in accuracy due to the fact that the timing period is based on the voltage across an electrolytic capacitor.

This new design is much more accurate as its based on counting the frequency of an oscillator. The design is based around two 4541 Programmable Timer Integrated Circuits which will send a signal to the relay circuit once it reaches a specific count of cycles generated by the oscillator. The oscillators frequency is varied by the variable resistor which results in different timing periods. Note assembly required.

Manufacturer's Details

Manufacturer's SKU :
CK191M60
Manufacturer:
Cana Kit

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