Videosprechanlage KNZD-37W

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Overview
The Intercom with Camera (Model KNZD-37W) is a door intercom specially designed for external door installation. It integrates a high-definition camera and push-to-talk functionality to provide visual verification of visitors and full-duplex two-way voice communication. The unit is built with a stainless steel body (SUS304), is corrosion resistant, and can be installed embedded or wall-mounted. It supports hands-free operation and is suitable for flats, villas, lodging buildings and multi-tenant buildings.

Features

• Main body made of full stainless steel, robust and temperature resistant.
• Handset-free operation with loudspeaker.

System / Operation
The door intercom can be connected into larger systems for access control and emergency management (e.g. railway emergency management). It includes an HD camera for visitor verification. Power-over-Ethernet (PoE) or DC12V power options are supported depending on system integration.

Applications

• Public telephone for indoor or outdoor use
• Elevator phone
• Taxi or bus stands, stations
• Highway call boxes and roadside emergency phones
• Railway, metro, ATM machine sides
• Tunnels, ports, docks, mines, generation facilities
• Environments with wet or corrosive atmospheres

Caractéristiques / spécifications techniques

• Model: KNZD-37W
• Size: 220 x 150 x 60 mm
• Material: SUS304 stainless steel
• Pickup device: 1/3 OV7949 CMOS
• SYSTEM: PAL/NTSC
• Effective pixels: 268(H) x 586(V) / 510(H) x 496(V)
• Sensing area: 5.961 mm x 4.276 mm
• Scanning system: 2:1 Interlaced Scanning
• Sync system: Internal Synchronization
• Sharpness: 420 TV lines
• Horizontal sync frequency: 15.625 KHz / 15.734 KHz
• Vertical sync frequency: 50 Hz / 60 Hz
• Minimum illumination: 0 Lux / F2.0 with IR
• Video output: 1.0 Vp-p, 75 Ω
• Gamma coefficient: 0.45
• AGC: Auto
• Signal-to-noise ratio: >48 dB
• White balance: Auto
• Electronic shutter: 1/50 - 1/80000(s) / 1/60 - 1/80000(s)
• Backlight compensation: Auto
• Current: 80 mA ±10%
• Voltage: DC 12V ±10%
• Operating temperature: -20°C ~ 50°C, RH 95% MAX
• Storage temperature: -30°C ~ 60°C, RH 95% MAX
• Lens: 3.6 mm F = 2.0
• Camera angle: 90°
• Weight: 25 g
• Compatible with various PABX/PBX systems (feeding voltage 33-60V when used with SPC exchange and dispatching systems).
• Call transmission index (5 KM): SLR < 12, RLR < -1, STMR > 10, output impedance 600 Ohm.
• Supports dialing up to 12 groups of numbers stored in memory (max length 16 digits per number).