The NESS TWR 3 Zone Sensor with Battery is a versatile, compact wireless sensor designed to secure up to three separate zones. Featuring one built-in reed switch and two external zone inputs, it offers flexible security solutions for doors, windows, and other entry points. Utilizing Ness's industry-leading two-way technology, this sensor ensures reliable communication with compatible systems.
What's Included in the Box
Main Features
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Three-Zone Monitoring: One built-in reed switch plus two external zone inputs allow monitoring of up to three separate zones.
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Two-Way Communication: Ensures reliable signal transmission and acknowledgment between the sensor and compatible receivers.
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Frequency Hopping: Operates on 902 MHz – 928 MHz frequency hopping for secure and interference-resistant communication.
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Long Battery Life: Powered by a 3V CR123A lithium battery with a typical lifespan of 7 years.
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Compact Design: Sensor dimensions: 1.5”W x 3”L x 0.9”D; Magnet dimensions: 0.57”W x 1.5”L x 0.6”D.
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Tamper Protection: Field-installed plunger provides front and back tamper detection.
Detailed Specifications
| Feature |
Details |
| Frequency |
902 MHz – 928 MHz frequency hopping |
| Zone Inputs |
1 built-in reed switch + 2 external |
| Maximum Reed Gap |
1/2 inch (12.7 mm) |
| Battery Type |
3V CR123A lithium |
| Battery Life |
7 years (typical) |
| Operating Temperature |
-10°C to 40°C |
| Humidity Range |
5% to 95% non-condensing |
| Tamper Detection |
Front and rear protection |
| Dimensions (Sensor) |
1.5”W x 3”L x 0.9”D |
| Dimensions (Magnet) |
0.57”W x 1.5”L x 0.6”D |
Warranty Information
The NESS TWR 3 Zone Sensor comes with a 12-month manufacturer's warranty covering defects in materials and workmanship. Warranty claims are handled directly through Ness Corporation or authorized distributors.
About Ness
Ness is an Australian company renowned for designing and manufacturing high-quality electronic security equipment. With over 45 years in the industry, Ness is a trusted name in alarm systems, access control, and surveillance solutions.
SKU: K-106-267
Practical Use Scenarios
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Residential Security: Monitor multiple entry points like front doors, back doors, and windows with a single sensor.
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Commercial Applications: Secure office entrances, storage rooms, and emergency exits efficiently.
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Flexible Installations: Ideal for setups requiring monitoring of multiple zones without extensive wiring.
Excellence for the Australian and New Zealand Market
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Compliance: Fully compliant with Australian and New Zealand wireless communication standards.
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Optimized for Local Systems: Designed to integrate seamlessly with Ness security systems prevalent in the ANZ region.
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Authorized Distribution: Sourced exclusively through authorized Ness representatives, ensuring genuine products.
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Local Support: Warranty and support services are handled directly by Ness Corporation in Australia.
FAQs – NESS TWR 3 Zone Sensor (Product Code: K-106-267)
Q1: How many zones can the NESS TWR 3 Zone Sensor monitor?
A1: The sensor can monitor up to three zones—one via the built-in reed switch and two through external zone inputs.
Q2: What is the typical battery life of the K-106-267 sensor?
A2: The sensor uses a 3V CR123A lithium battery with a typical lifespan of 7 years.
Q3: Is the K-106-267 sensor compatible with Ness M1 systems?
A3: Yes, it is compatible with Ness M1 systems using the M1XRFTWM two-way wireless transceiver (Ness Part No. 101-292).
Q4: What is the maximum operating gap for the built-in reed switch?
A4: The maximum operating gap is 1/2 inch (12.7 mm).
Q5: Does the sensor provide tamper protection?
A5: Yes, it features front and rear tamper detection using a field-installed plunger.
