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Before undertaking any mechanical installation, ensure that all switch wiring has been
completed and left disconnected at the mains side and any holes (if) required for
mounting have been drilled.
The Perseus can be mounted in any orientation (excluding the 8” D_6, P_6 & V_6 Differential
Pressure, Ultra low Pressure & Vacuum and Level types).
If products are being fitted to a system where fluid flow can become unstable and cause
pressure to pulsate or surge rapidly, it is imperative that a means of protecting the sensing
element be provided; by adding a pressure snubber or over-range protector for example.
If products are being fitted to a system where the process temperature could exceed the limits
stated for that configuration (see the identification label), they must be remote mounted to
allow for enough heat dissipation.
Products should always be mounted such that any free movement is minimal. To avoid
damage from vibration or accidental impact, products mounted via the process connection
should be properly supported.
We recommend that PTFE tape is used on tapered process connections (to improve the seal
and prevent cold welding) and appropriately sized bonded seals on parallel process
connections.
All compression fittings must be sufficiently tightened to prevent leakage.
The Perseus can be supplied with accessories such as chemical seals, gauges and manifolds.
Please refer to any separate documentation supplied when installing accessories not covered
by this user guide.
For “case mounted” Perseus, feed 2 X M5 screws (or equivalent) with washers though the
switch case and tighten.
We recommend that anti-vibration washers are used when mounting the product.
For products fitted with a 2” (52mm) pipe bracket, place the
‘U’ Bolt around the pipe, slide the saddle onto
the U-Bolt, feed the switches mounting bracket onto the ‘U’ Bolt
and then tighten the 2 M8 full nut.
8” - D_6, P_6 & V6, (Differential Pressure, Pressure & Vacuum)
This version must be mounted as shown.
If mounted in any other orientation, the
switch may not operate within its
specification.
For P_6 versions the Low-Pressure Entry
is fitted with a vented plug.
For V_6 versions the High-Pressure Entry
is fitted with a vented plug.
To Mount: Feed 4 x M8 screws (or
equivalent) with washers through the
bracket.
8” D_6, P_6 & V_6 Differential Pressure,
Ultra Low Pressure & Vacuum
2 Low-Pressure Entry
!
Mass
With Aluminium switch case 11.5 kg
With Stainless Steel switch case 12 kg
MOUNT IN THIS ORIENTATION
1
2
3
dimensions in mm
8" D_6, P_6 & V_6 (Aluminium or Stainless steel case)
Mounting Bracket
Saddle
