Interfono de vídeo KNZD-37W

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Overview
The door intercom with camera is an outdoor-installed intercom equipped with a high-definition camera and push-to-talk feature. It provides full-duplex two-way voice communication and video verification of visitors. The exterior is made of stainless steel (SUS304), durable and corrosion-resistant. Available for flush (embedded) or wall-mounted installation.

Model & Size
Model: KNZD-37W
Size: 220X150X60mm
Material: SUS304

Main Features

• Main body with whole stainless steel body, solid and temperature bearable.
• Handset free, loudspeaker (hands-free operation).
• Lightning protection automatically standard to ITU-T K21.
• Waterproof grade IP65 (can be improved to IP67).
• Metal shell with grounding device; inner circuit insulated for electromagnetic shielding.
• Support hotline call; can realize auto ring-off if the other side closes.
• SMTC craftwork for high quality.
• Super thin and smart design; embed style and hanging style selectable.
• Optional call time limit (e.g., 5 minutes) with auto ring-off when exceeded.
• Certified to ISO9000(2000).

Use & Application
Designed for entrance control of flats, villas, lodging buildings, multi-tenant buildings and similar applications. Suitable as public telephone for indoor/outdoor, elevator phone, taxi or bus stands/stations, highway call box, railway, metro, ATM machine side, tunnel, port, dock, mines, generation facilities and other wet or corrosive atmospheres.

System & Operation
The device integrates with doorbell/intercom systems and can be connected to PBX/ PABX systems. It supports PoE power supply and network connection for IP intercom scenarios. Tenants can answer via mobile devices or VoIP phones and can remotely open electric locks when configured with appropriate accessories.

Specification (table)
Model: KNZD-37W
Pickup device: 1/3 OV7949 CMOS
SYS: PAL/NTSC
Effective Pixels: 268(H) x 586(V) x / 510(H) x 496(V)
Sensing Area: 5.961mm x 4.276mm
Scanning System: 2:1 Interlaced Scanning
Sync System: Internal Synchronization
Sharpness: 420TV lines
Horizontal Sync Frequency: 15.625KHz / 15.734KHz
Vertical Sync Frequency: 50Hz / 60Hz
Minimum Illumination: 0Lux/F2.0 with IR
Video Output: 1.0vp-p, 75Ω
Gamma Coefficient: 0.45
AGC: Auto
Sound / Noise Ratio: >48dB
White Balance: Auto
Electronic Shutter: 1/50-1/80000(s) / 1/60-1/80000(s)
Backlight Compensation: Auto
Current: 80mA ±10%
Voltage: DC 12V ±10%
Operating Temperature: -20°C ~ 50°C, RH95% MAX
Storage Temperature: -30°C ~ 60°C, RH95% MAX
Lens: 3.6mm F = 2.0
Camera Angle: 90°
Weight: 25 g

Additional Notes

• Matches with most PABX, PBX systems.
• Supports memory dialing of up to 12 groups of numbers (max 16 digits each).

Caractéristiques / spécifications techniques

• Marque: KNTECH
• Modèle: KNZD-37W
• Matériau: SUS304 (acier inoxydable)
• Taille: 220 x 150 x 60 mm
• Caméra: 1/3 OV7949 CMOS, 90° angle, 3.6mm F2.0
• Système vidéo: PAL/NTSC
• Résolution / Sharpness: 420 TV lines
• Illumination minimale: 0 Lux avec IR
• Alimentation: DC 12V ±10% (PoE possible selon configuration)
• Consommation: ~80 mA ±10%
• Indice de protection: IP65 (upgradeable to IP67)
• Température de fonctionnement: -20°C à 50°C
• Poids: 25 g