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Aluminium Overfill Protection Probes

Liquip's LDP Series of optic overfill sensors raise the bar for overfill protection safety with a self checking design and unique glass prism design.

The LDP series overfill probe are fully compatible with all Liquip overfill equipment and can be interchanged with most 2 or 5 wire probes. 

Liquip can supply LDP overfill probes as single units or in "Kits". A Kit is a part that combined two or more parts e.g. an LDP probe supplied with an extension and O-ring. Please see ordering information tab for further details on available kits.

Features & Benefits
  • Self Diagnostic function.
  • Compatible with all systems built to the API code.
  • A visible optic light in the sensor tip indicates whether it is dry and operational.
  • Independent visual test for function when in or out of the tanker.
  • Patented visible light - Technological breakthrough.
  • Secondary protection with O-Ring sealed tip.
  • Built to comply with API RP1004 and EN13922.
  • Three stage Viton sealing.
  • Glass prism is light-shielded by the retainer.
  • Probe can be removed from tank top without having access to interior to remove a hood.
  • Construction is fully sealed front.
  • Self healing epoxy at rear on cable entry.
  • Fully potted construction.
  • Range of probe extensions to suit various probe lengths.
Technical Information

Electrical Parameters
IECEx, ATEX & UKEX Approvals
Ui = 30V  Ii = 690mA Pi = 9W
Ci = 105pF + 200pF/m length of integral cable (LDP202 series)
Ci = 105pF + 800pF/m length of integral cable (LDP205 series)
Li = 0mH + 1uH/m length of integral cable

Operating Temperature
-40ºC to +65ºC.

IP Rating
IP66.

Level Repeatability
+0.5mm.

Design Pressure
600kPa.

Materials
-Body, retainer and extensions: Aluminium.
-Prism: Glass.
-O-rings: Viton.

Ordering Information

SINGLE PROBES & KITS

LDP202: 2 wire Aluminium Overfill Probe.  

LDP202Z: LDP202 + 80mm Al extension + Buna O-ring.

LDP202XLZ: LDP202 + 222mm Al extension + Buna O-ring.

LDP205: 5 wire Aluminiun Overfill Probe.

LDP205Z: LDP205 + 80mm Al extension + Buna O-ring.

LDP205XLZ: LDP205 + 222mm Al extension + Buna O-ring.

MULTI COMPARTMENT PROBE KITS

LDPFILL-1Z: 2 Wire Probe, Aluminium Body, Viton Seals (1 compartment kit c/w standard extension).

LDPFILL-2Z: 2 Wire Probe, Aluminium Body, Viton Seals (2 compartment kit c/w standard extension).

LDPFILL-3Z: 2 Wire Probe, Aluminium Body, Viton Seals (3 compartment kit c/w standard extension).

LDPFILL-4Z: 2 Wire Probe, Aluminium Body, Viton Seals (4 compartment kit c/w standard extension).

LDPFILL-5Z: 2 Wire Probe, Aluminium Body, Viton Seals (5 compartment kit c/w standard extension).

LDPFILL-6Z: 2 Wire Probe, Aluminium Body, Viton Seals (6 compartment kit c/w standard extension).

LDPFILLXL-2Z: 2 Wire Probe, Aluminium Body, Viton Seals (2 compartment kit c/w long extension).

LDPFILLXL-3Z: 2 Wire Probe, Aluminium Body, Viton Seals (3 compartment kit c/w long extension).

LDPFILLXL-4Z: 2 Wire Probe, Aluminium Body, Viton Seals (4 compartment kit c/w long extension).

LDPFILLXL-5Z: 2 Wire Probe, Aluminium Body, Viton Seals (5 compartment kit c/w long extension).

LDPFILLXL-6Z: 2 Wire Probe, Aluminium Body, Viton Seals (6 compartment kit c/w long extension).

Associated Equipment

7612: O-ring Buna probe extension.

LDP102-4: Aluminium probe extension (80mm).

LDP105-2: Aluminium probe extension (222mm).

PJB500: 2" Remote Probe holder.

VOH200-5: Aluminium overfill probe holder/junction box (imperial) with Nitrile seals.

VOH200-5AT: Aluminium overfill probe holder/junction box (imperial) with Gortex seals.

VOH200-5M: Aluminium overfill probe holder/junction box (metric) with Nitrile seals.

VOH200-5ATM: Aluminium overfill probe holder/junction box  (metric) with Gortex seals.

RM140 Series: Overfill Rack Monitor.

DP300 Series: Overfill dummy Probes.

TP100 Series: Overfill Truck Plug.

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