Locating rope · 8 codes, 1 to 500 m

Locating leak detection rope, 1 to 500 m

Two sensing wires held apart by a polymer mesh. Fluid bridging them creates a current path the controller converts to a distance, not a zone number.

Position resolution 0.1m step

Locating accuracy ±0.6 m+ 0.5 % of channel

Locating repeatability ±0.6 m+ 0.25 %

Rope, leader and terminator only; no coolant distribution units, no cold plates.

Ask for the specification sheet

A coiled length of red and black twisted-pair leak detection sensing rope on a stainless bench, with its black twist-lock connector beside it and a cut end showing the inner conductors

01 / Lengths

Eight lengths, eight decisions

Eight lengths with weight at 29.7 g/m, the paired controller, and the tolerance for that total cable.
Code, length	Weight	Distance, pairs with	Locating accuracy	Locating repeatability
EMS-LD-R1	1 m	0.03 kg	no, rack and zone, C1, C2	n/a	n/a
EMS-LD-R5	5 m	0.15 kg	no, under 10.67 m, C1, C2	n/a	n/a
EMS-LD-R15	15 m	0.45 kg	yes, C4	±0.68 m	±0.64 m
EMS-LD-R25	25 m	0.74 kg	yes, C4	±0.73 m	±0.66 m
EMS-LD-R50	50 m	1.49 kg	yes, C4, C8	±0.85 m	±0.73 m
EMS-LD-R100	100 m	2.97 kg	yes, C4, C8	±1.1 m	±0.85 m
EMS-LD-R250	250 m	7.44 kg	yes, C8, C16	±1.85 m	±1.23 m
EMS-LD-R500	500 m	14.87 kg	yes, bulk reel, C8, C16	±3.1 m	±1.85 m

Cut to order; weights at 29.7 g/m. The 10.67 m minimum is per channel.

02 / Specification

The specification, three rows kept apart

Parameter	Value
Principle	conductive / resistance
Construction	fluoropolymer core; 2 × 26 AWG signal; 2 × 30 AWG sensing
Diameter, weight	6.0 mm nominal; 29.7 g/m
Breaking strength	72 kg cable; 32 kg with connectors
Shear, cut-through	81.65 kg; 22.7 kg with a 0.13 mm blade
Abrasion, radius	65+ cycles per UL 719; 12.70 mm
Temperature, plenum	0 to +75 °C; storage −30 to +85 °C; UL CL2P, NFPA 262
Connector, glycol	4-pin twist-lock, 24.38 mm; 15 % by weight and above; 50 mm (2 in); dry and reset within 15 s
Position resolution	0.1 m step
Locating accuracy	±0.6 m plus 0.5 % of total cable on the channel
Locating repeatability	±0.6 m plus 0.25 % of total cable on the channel
Colour, ingress protection	yellow or orange; not specified in this product class

Rope construction

03 / Raised floor

Six failure modes, six figures

Dropped tile

Cut-through 22.7 kg, 0.13 mm blade.

Dragged over concrete

65+ cycles per UL 719.

Swarf bridging the mesh

1–300 µA vs 150 µA.

Connector pulled

72 kg cable; 32 kg at the connector.

Tight bend

12.70 mm radius; 24.38 mm connector.

Survival set

Figures carried on all eight datasheets.

A raised floor tile lifted with the leak detection rope passing underneath, the tile edge and the cable both in frame — Run under a lifted tile

04 / Fluids

What the rope reads, and misses

Bridging current decides what it sees.

Detected bands

Row	Value
Detected	water and water-glycol at 15 % and above, PG15 / PG25 / PG35
Wider envelope in the trade	10 % to 55 % propylene glycol
Not reliably detected	near-DI water, pure dielectric fluids
Strongly conductive	acids and bases need a chemical-resistant build
Out of scope, builds	oil and immersion fluids; standard, chemical-resistant, low-smoke zero-halogen, rodent-resistant

05 / Siting

Offset, plenum, crossover

1.8 m

Clear of a CRAC supply.

UL CL2P

NFPA 262.

3 m jumper

Breaks a crossing.

15 s reset

Wiped dry, status returns.

CRAC exclusion zone

07 / Maintenance

Keeping the run alive

Action	Figure
Proof test	yearly; monthly is the older recommendation
Cleaning	isopropyl alcohol; warm soapy water, 1 cup per gallon
Dry before refit	6 to 48 h
Watch for, replace	metallic chips, solder swarf; jacket damaged by a tile or sealing chemicals

Health trends against the clean baseline.

Hands wiping a length of leak detection rope in place under a raised floor during maintenance

08 / Datasheet

Send the total run length and the loop fluid

Returns the rope datasheets, the connector drawing and your tolerance. One working day.

Ask for the specification sheet EMS-LD-R500 datasheet