Surveyor™ Independent High Level & Overfill (95%-98%) Alarm System
Surveyor TM Independent High Level & Overfill Alarm System is a high quality product based on proven acoustic wave technology for marine applications. The complete system can be delivered either as a single or as a dual point system for high level and overfill (high-high) level alarm detection for any kind liquid including any hydrocarbons and chemicals. The system is fully compliant with the requirement from IMO resolutions for high level alarms and overflow control and rules from all classification societies. Visual and audible alarms will display on the alarm panel as well as on deck with external Eex alarm lights) and sirens. The high level (95% and overfill 98%) alarms are totally electrically independent from each other. System sensor test for verification of alarm function is performed on deck. The system features a built-in function for preventing false alarms.
Level Alarm Switch
-
Switch principle: Acoustic wave
- Environment Temp.: -40 to 90 °C (-35 to 200°F)
- Media temperature: -40 to 90 °C (-35 to 200°F)
- Storage temperature: -55 to 90 °C (-60 to 200°F)
- Protection category:
- Junction box: IP 67 Alarm sensor
continuously submerged
- Media: Petroleum products, crude oils, chemicals, acids
- Material: Stainless Steel AISI 316 (L)
- Standard flange: DN 50, other flanges on request
- Electrical interface: 4 - 20 mA, fail/safe circuit
- Intrinsically safe: II 1 GD EEx ia IICT5/T6
Advantages:
- No moving parts
- No maintenance
- No calibration after installation
- No adverse effects from tank cleaning machines
-
No adverse effects from cargo residue
Applications:
- Chemical Tankers
- Product Tankers
- Oil Tankers
- Floating Storage Facilities
Control Unit TCU:
- Dimensions: 240 x 125 x 50 (LxWxH)mm
- Mounting on rail DIN 35
- Power supply #1 (DC/DC): 24 VDC (18 to 31V)
- Power supply #2 (insulated): 24VDC (22.5 to 27 V)
- Power consumption: max. 90W
- Power supply redundancy, automatic switchover
- included (24 VDC) (battery back-up is optional)
- Power supply and communication to I/O modules and TDU
- Each TCU accomodates 16 x AN-ZB485
- Communication to 3rd party: 1xRS485, 2xRS232
- Dedicated outputs for flash lights and siren
- Alarm relay output and silence input.
- Visual and audible alarms in accordance with IMO “Code on Alarms and Indicators 1995”
Display Unit TDU :
- Touch screen 5,7” colour TFT 400 cd/sqm
- Dimensions: 200 x 150 x 45 (WxHxD)mm
- Panel / console mounting
- Cut-out: 150 x 130 (WxH)mm
- Power supply from TCU
- Communication with TCU: RS232
- Colour: Blue NCS 3070R90B
DownLoad:
TN350005 TCU-TDU-high level alarm 2 switches.pdf (186kb)
