Stainless Steel Overfill Protection Probes

Liquip’s LDP200 Series Stainless Steel Overfill Probes are used in overfill prevention systems on road tankers and storage tanks to detect the presence of a liquid at a defined level.

The probe’s stainless steel body and FFKM seals provide superior resistance to chemical corrosion, making them well-suited to Petroleum as well as Chemical Industry applications.

The LDP200 Series Probes are compatible with industry standard signal formats (EN 13922), providing interoperability with both Liquip’s existing Gantry Monitors and other compliant Monitors.

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.

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Features & Benefits
Technical Information
Ordering Information
Associated Equipment
Resources

Features & Benefits

Stainless steel body and FFKM seals provide superior resistance to chemical corrosion.
Self Diagnostic function.
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™️ or FFKM 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: Ui = 30V, Ii = 690mA, Pi = 9W, Ci = 105pF, Li = 0mH.

Operating Temperature
-40ºC to +65ºC.

IP Rating
IP66.

Level Repeatability
±0.5mm.
Design Pressure: 600kPa.

Power Limit
(Pi = 9W) applies.
Ii max = 690mA when Ui max = 13.04V OR
Ii max = 300mA when Ui max = 30V.

Safety Certification

IECEx

IECEx Certificate: IECEx ITA 14.0014X.
Marking: Ex ia IIA T3 Ga IP66.
Tamb = -40ºC to +65ºC.

ATEX

ATEX Certificate ERO21ATEX0019X
Marking 2813 II 1 G Ex ia IIA T3 Ga
Tamb = -40ºC to +65ºC.

UKEX

UKEX Certificate EMA21UKEX0076X
Marking 0518 II 1 G Ex ia IIA T3 Ga IP66
Tamb = -40ºC to +65ºC.

Ordering Information

SINGLE PROBES

LDP202SC: 2 Wire Probe, SS316 Body with FFKM Seals.

LDP205SC :5 Wire Probe, SS316 Body with FFKM Seals.

LDP202SS: 2 Wire Probe, SS316 Body with Viton™️ Seals.

LDP202SC: 2 Wire Probe, SS316 Body with Viton™️ Seals.

PROBES KITS
LDP202SCZ: LDP202SC + 80mm S/S extension + FFKM O-ring.

LDP205SCZ: LDP205SC + 80mm S/S extension + FFKM O-ring.

LDP202SSZ: LDP202SS + 80mm S/S extension + Viton™️ O-ring.

LDP202SSZ: LDP205SS + 80mm S/S extension + Viton™️ O-ring.

AUSTRALIAN SPEC MULTI COMPARTMENT PROBE KITS (supplied with probes, extensions truck plug, cap and dummy probe where applicable)

LDPFILL-1SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (1 Compartment kit c/w standard SS extension).

LDPFILL-2SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (2 Compartment kit c/w standard SS extension).

LDPFILL-3SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (3 Compartment kit c/w standard SS extension).

LDPFILL-4SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (4 Compartment kit c/w standard SS extension).

LDPFILL-5SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (5 Compartment kit c/w standard SS extension).

LDPFILL-6SCZ: 2 Wire Probe, SS316 Body with Kalrez Seals (6 Compartment kit c/w standard SS extension).

Associated Equipment

7612K: O-ring FFKM probe LDP extension.

LDP102-4SS: S/S probe extension (80mm).

LDP105-2SS: S/S probe extension (222mm).

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

VRB-13SM: S/S weld flange for probe holder.

RM140 Series: Overfill Rack Monitor.

DP300 Series: Overfill dummy Probes.

TP100 Series: Overfill Truck Plug.

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Image	Item	Description
1. SINGLE PROBES
	LDP202SC	2 Wire Probe, SS-316 Body with FFKM Seals.
	LDP202SS	2 Wire Probe, SS316 Body with Viton™️ Seals.
	LDP205SC	5 Wire Probe, SS-316 Body with FFKM Seals.
	LDP205SS	5 Wire Probe, SS-316 Body with Viton™️ Seals
2. PROBES KITS
	LDP202SCZ	LDP202SC + 80mm S/S extension + FFKM O-ring.
	LDP202SSZ	LDP202SS + 80mm S/S extension + Viton™️ O-ring.
	LDP205SCZ	LDP205SC + 80mm S/S extension + FFKM O-ring.
	LDP205SSZ	LDP205SS + 80mm S/S extension + Viton™️ O-ring.
3. AUSTRALIAN SPEC MULTI COMPARTMENT PROBE KITS (SUPPLIED WITH PROBES, EXTENSIONS TRUCK PLUG, CAP AND DUMMY PROBE WHERE APPLICABLE) - S/S EXTENSION
	LDPFILL-1SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (1 Compartment kit c/w standard SS extension).
	LDPFILL-2SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (2 Compartment kit c/w standard SS extension).
	LDPFILL-3SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (3 Compartment kit c/w standard SS extension).
	LDPFILL-4SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (4 Compartment kit c/w standard SS extension).
	LDPFILL-5SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (5 Compartment kit c/w standard SS extension).
	LDPFILL-6SCZ	2 Wire Probe, SS316 Body with Kalrez Seals (6 Compartment kit c/w standard SS extension).