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SP21 Connector for Water Quality Monitoring Instruments

MOQMOQ >200
PricePrice
>Number Of CoresNumber Of Cores 3-12Pins
Contact DiameterContact Diameter(mm) 1.0 mm - 3.0mm
IP RatingIP Rating IP68
Shell MaterialShell Material PC/PA66
Temperature RangeTemperature Range -40℃ ~ +85℃
TerminationTermination Solder
Rated CurrentRated Current(A) 5A-30A
Rated VoltageRated Voltage(Ac.V) 400V-500V
Test VoltageTest Voltage(Ac.V)1Min 1200V-1500V
Insulation ResistanceInsulation Resistance (MΩ) 2000MΩ
Contact ResistanceContact Resistance (MΩ) ≤5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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SP21 Connector for Water Quality Monitoring Instruments

The SP21 connector for water quality monitoring instruments is engineered to provide stable electrical connections for environmental monitoring systems. With a robust circular design and secure threaded coupling, it ensures reliable signal and power transmission in demanding industrial and outdoor environments.

Connectors


Durable SP21 Circular Connector Structure

The SP21 circular connector features a rugged housing and high-quality insulating materials, providing excellent resistance to moisture, dust, and mechanical stress. This makes it suitable for continuous operation in water treatment plants, environmental monitoring stations, and field testing devices.

SP21 Connector for Water Quality Sensor Systems

This SP21 connector is widely used in water quality analyzers, pH meters, dissolved oxygen meters, turbidity meters, and other monitoring instruments. It ensures stable connectivity between sensors, controllers, and data acquisition equipment.

Reliable SP21 Connector for Harsh Environments

With secure locking and strong sealing performance, the SP21 connector maintains reliable connections even in humid or outdoor conditions. It is an ideal solution for water monitoring systems requiring durability and consistent signal transmission.

Item

Parameters

Number of Cores

2-12Pin

Gender

Male/Female

Housing Material

PC/PA66

Cores Material

Brass Plated with Gold

Insulator Material

PPS

Locking System

Screw Locking

Temperature Range

-40℃, +85℃

Rated Current (A)

5A-30A

Rated Voltage (AC.V)

400V-250V

Test Voltage (AV.C)1Min

1200V-1500V

Insulation Resistance (㏁)

2000㏁

Contact Resistance (㏁)

≤5㏁

Termination

Solder


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Customer Reviews

   

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   Excellent Performance for Harsh Conditions


TrustVoyagerX  2026-02-08

We’ve been using this WY connector in a demanding outdoor environment, and it has held up exceptionally well. The sealing is effective, and the connector remains stable despite dust, moisture, and temperature fluctuations. Great product for tough working conditions.
   Premium Quality with Professional Finish


ClearHarborX2  2026-02-08

The craftsmanship of this WY series connector is outstanding. The threaded coupling is smooth, and the contacts are well-aligned. It delivers consistent performance and gives a very professional feel—definitely a high-quality industrial connector.
   Reliable and Easy to Install


BrightNavigatorX  2026-02-08

Installation was straightforward, and the fit between male and female connectors is perfect. The WY connector provides a secure and stable electrical connection without any signal loss or looseness. Highly recommended for industrial applications where reliability matters.
   Strong Connection and Durable Build


SmartScoutX2  2026-02-08

This connector provides a very solid and secure connection. The metal shell is robust, and the overall design feels long-lasting. We’ve used it in our machinery control system, and it has been working perfectly without any issues.
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