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Guangzhou DT Electronics

Working£º9:00 am to 6:00 pm
Address£º2nd floor, No.1,Building B, Jiqi Road, Tianhe District, Guangzhou, Guangdong ,China.
CCTV Tester DT-N91


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Compared to other brands, DT-N91 CCTV tester added new function: digital video zoom function and signal strength measurements.CCTV tester DT-N91 basic functions: PTZ control, PTZ address automatically

A new generation of CCTV tester, has a 3.5-inch LCD 480 * RGB * 320 (HVGA) resolution and 64K color LCD screen. Directly support high number of lines of video camera input image, can detects the input video image effects. And you can display the contents of the video in the digital zoom (fit screen, 1X, 2X, 4X four kinds of magnification). It is common that cameras having defects like corner focus blur, or having dust on lens. And when installing a camera, user needs to adjust some finest detail. To discover the camera defects and do the adjust, there are some difficulty if using a small size screen. With the digital zoom function, user can do the job easily and efficiently.

Model DT-N91
Video test
Video SystemNTSC/PAL Automatically recognize
Video level1VPP
Display screen3.5-inch LCD 480 * RGB * 320 (HVGA) resolution, 64K color
Screen adjustmentVideo display brightness, contrast, color saturation adjustable, LCD backlight brightness adjustable
Video input / output1 channel BNC Video IN , 1 channel BNC Video output
Signal level measurementMeasure the video signal level, and displays exception information
Digital zoomSupports ¡°fit screen¡± ¡°1X¡±¡°2X¡±¡°4X¡± options
12V power output
Power outputTemporary power output 12V 1A DC
Audio test
Audio testInput audio signal, and played on the internal speaker
PTZ control test
Communication InterfaceRS232/RS485/RS422 bus support
PTZ protocolBuilt-in Pelco-D/P, Samsung, Panasonic, Lilin, Yaan, AD-Manchester,... Totally over 30 protocol
Baud Rate150£¬300£¬600£¬200£¬2400£¬800£¬9600£¬19200bps
Color image generator
Video signal generatorGenerates industry standard color bar signal . Supports PAL / NTSC, totally 7 different subbranch standard.
Video screen shot and video record
Video screen shot¡Á
Video record¡Á
Cable test
Cable testTest any two or more wire cable Display connect sequence and remote number
Data monitor
Data monitorRS232/RS485/RS422 bus support
Power supply
External power supplyDC 5V£¨2A£©
Battery-poweredBuilt-in 3.7V li-polymer battery, Capacity 3000mAh
ChargeCharge time 3-4 hours Battery power time 11 hours
Power saving featuresLow power consumption, automatic power off, Real-time display of battery level
System settings
Language settingsChinese, English user selectable
Auto power offDisable / 5-60 minutes
Keyboard soundOn / off
Digital multi-meter
Digital multi-meter¡Á
Optical power meter
Optical power meter¡Á
Working environment and Specifications
Humidity30%-90% Rh
Dimension175mm x 94mm x 35mm £¨without protection case£© 190mm x 105mm x 45mm£¨with protection case£©
Gross weight1.15KG