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R04365/125083
R04366/125081
R04367/125082
Retro Basic
Introduction
These three "retro" power supplies are intended for general laboratory use and have some
features in common with the original UNILAB power supplies:
All have a locking mechanism, that can limit or preset the voltage available to
students in specific experiments.
All have 4mm output socket/terminals, for connection of bare wires as necessary
All have a thermal "trip", which can be reset shortly after removal of the excess
load.
All are robustly made, with captive mains lead and integral cable wraps on the back
panel.
All are protected by a time delay mains fuse in the front panel.
Retro Basic PSU
Retro Ranger PSU
Retro Regulated PSU
Retro Regulated
NFU 960
Retro Ranger
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Summary of Contents for unilab Retro Basic
- Page 1 Introduction These three “retro” power supplies are intended for general laboratory use and have some features in common with the original UNILAB power supplies: All have a locking mechanism, that can limit or preset the voltage available to students in specific experiments.
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Page 2: Product Specifications
Product specifications Specifications Retro Basic Retro Ranger Retro Regulated Mains input 230V ac 50Hz 230V ac 50Hz 230V ac 50Hz Power rating (VA) Fuse (front panel) T1A (time delay) Output range (V) 2,4,6,9,12 AC or DC 0-15 AC & 0-20 DC... - Page 3 Ranger A hexagon key is used to clamp the clear Perspex disc. The yellow line on this disc indicates the maximum AC and DC voltage available. The control knob can be turned to adjust the voltage output from 0 to the preset maximum. The DC output is higher due to the internal smoothing capacitor (4700uF).
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Page 4: Periodic Testing
Cleaning The front panel membrane conceals and protects switches and LEDs. It may be wiped clean using a damp cloth. Be sure to disconnect the unit from the mains before cleaning, and do not use any abrasive cleaners or organic solvents. Periodic testing Check the mains lead and plugs at both ends for any damage. - Page 5 Instructions for authorized service technicians Ensure that any replaceable mains cord is of the correct rating. Ensure that all earth conductors and protective earth bonding is maintained after service work. Please refer to the detailed service procedures, safe servicing and continued safety – contact techsupport@philipharris.co.uk for advice.