ZS-7-WP (Waterproof Multipoint Temperature Monitoring Cable)

Also known as ZS-P-WP.

Key Features

• Two- or three-wire communication: Requires only 2 or 3 wires for digital communication.
• Fully encapsulated sensors: Each temperature measurement point is completely enclosed in protective plastic.
• High sensor capacity: Supports up to 200 temperature sensors per cable.
• High tensile strength: Withstands tensile loads exceeding 700 kg.
• Operating temperature range: -40°C to 80°C.
• Programmable temperature sensors.
• Optional high-precision sensor chips.
• Dual-layer waterproof construction: IP68+ protection rating, as specified by the manufacturer.
• Reinforced cable design: Two integrated steel tensile-strength members provide additional resistance to pulling forces and mechanical wear.

Additional Details

The ZS-7-WP is a heavy-duty waterproof multipoint temperature monitoring cable designed for river water, groundwater, geothermal monitoring, ground-source and water-source heat pump systems, soil temperature measurement, and ground-freezing shafts.

The cable features a dual-layer extruded protective sheath with all temperature sensors fully enclosed within the innermost layer. Two integrated steel reinforcement wires provide high tensile strength, with one positioned inside the inner sheath and the other embedded between the inner and outer protective layers.

The inner sheath is constructed from high-density polyethylene (HDPE), while the thickened outer sheath incorporates modified PVC and abrasion-resistant additives. This construction provides resistance to water-related corrosion, soil friction, and mechanical wear.

The cable's solid plastic-filled construction also provides resistance to underwater pressure, making it suitable for submerged installations and demanding underground environments.

Supporting up to 200 programmable temperature sensors on a single cable, the ZS-7-WP enables distributed temperature measurement across multiple depths or locations. Its flexible installation options and compatibility with temperature data collectors and handheld instruments make it suitable for environmental monitoring, geothermal systems, and industrial temperature measurement applications.

Technical Specifications

Temperature measurement range	-40°C to 80°C
Temperature accuracy	≤±0.5°C; optional ≤±0.2°C or customized higher-precision version
Maximum sensors per cable	200
Communication wiring	2-wire or 3-wire digital signal
Supply voltage	3–5.5 V DC, supplied by data collector
Cable outer diameter	12–13 mm
Protection rating	IP68+ (manufacturer-stated)
Tensile strength	Greater than 700 kg
Inner sheath material	HDPE
Outer sheath material	Modified PVC with abrasion-resistant additives
Reinforcement	Two integrated 1.5 mm steel tensile-strength wires
Temperature conversion time	750 ms
Installation methods	Suspended weight or strap-mounted installation
Typical service life	Over 3 years
Customization lead time	10 days
Compatible equipment	Temperature data collectors and handheld instruments