Our company Ninglu Technology Co., Ltd. is Sino-Norway SKIPPER joint venture enterprise, established in 2000. Today we have become one of Chinese leading providers of marine electronics, supplying:
 
Echo Sounder - 7" and 10" Inland River and Marine navigation (approved by CCS)
Fish Finder -  7" and 10" commercial fishing with output power up to 3000W
Speed Log - Doppler single-axis speed log (approved by CCS)
Marine Anemometer/Weather Station - for speed up to 50m/s, very reliable quality, installed into many VLCCs
Weather Station - wind speed&direction/ Temperture/ Humidity/Barometric pressure
NMEA0183 Distributor/buffer: 1 input to 8 outputs, 2 inputs to 14 outputs, sold thousands per year
Repeaters/ Slaves - Depth/Wind/Speed Log/Gyro/Steering.
Tester & Simulator for echo sounder, speed log, NMEA0183
Bottom equipment: Transducer / Tank/ Gate Valve.
 
We have been ISO9001 Quality System approved since 2002, enjoying a high reputation of very stable quality and cost-effective price.
All our products are provided 12 months quality warranty 

Bridge Navigational Watch Alarm System is to monitor the awareness of the Officer of the Watch (OOW) and automatically alerts the Master or another qualified OOW if for any reason the OOW becomes incapable of performing the OOW's duties. This purpose is achieved by a series of indications and alarms to alert first the OOW and, if he is not responding, then to alert the Master or another qualified OOW. Additionally, BW508 also provide the OOW or other equipment with a means of emergency calling for immediate assistance.

Features:
CCS APPROVED
Easy installation & operation and high quality
Comply with IEC 62616
Wiht emergency call and transfer function
Support NMEA0183 data input/ouput function

Operating temperature: - 5 ~ +55 Degrees Celsius
Relative humidity: 93% + 2%
Power supply: 24VDC (nominal)
Power consumption: less than 75W
Timings accuracy: less than 5 % or 5s
1st Stage Alarm tone: 8 kinds
1st Stage Alarm volume level: 75~85dB/1m
2ND Stage Alarm volume level: 75~120dB/1m