
7ML19981FC01 HydroRanger 200 – INSTRUCTION MANUAL Page 235
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General Appendix F
Connecting a transducer with RG62 coaxial extension cable
If you are replacing an older Milltronics Ultrasonic Level Controller with a new
HydroRanger 200 where an RG-62 coaxial extension is fitted and you are unable to
replace the extension with a new cable, please refer to connection diagram below.
Please note that the noise immunity performance will be similar to our older model
ultrasonic level controllers if you use coaxial cable.
Existing installation
RG62 coaxial cable has been used to make the extension. The level controller might be a
HydroRanger 200, HydroRanger, HydroRanger Plus or one of our other level controllers.
HydroRanger 200 Installation (for retrofitting HydroRanger Installations)
Connect with a 0.1µF (100v or greater) capacitor (supplied with the HydroRanger 200)
between the shield and negative terminals. Connect centre core of the coaxial to the
positive terminal and the screen to the negative terminal.
Transducer
Transducer
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