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Tokimec Inc. ( Head Office )
2-16-46, Minami-Kamata,Ohta-ku, Tokyo 144-8551, JAPAN
Phone: 81-3-3737-8631 / Fax: 81-3-3737-8666
Tokimec U.S.A., Inc.
445 South Figueroa St., Suite 3770, Los Angeles, California 90071 U.S.A.
Phone: 1-213-689-4746 / Fax: 1-213-689-0303
Web site: www.tokimec.co.jp/marine
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DOPPLER SPEED LOG MODEL TD-310 |
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INTRODUCTION
The TD-310 Doppler Speed Log is designed in accordance with the requirements of
IMO regulation and has high accuracy, many signals' output functions such as ship's speed and distance etc..
The size of units are reduced as small as possible (the display unit particularly is
1/14 in volume and 1/5 in mass compared to TD-501), and easy to install in ships
such as coastal ships and ocean going ships.
FEATURES
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The TD-310 adopts the paired-beam system in which the sonic energy is directed ahead and astern. This virtually minimizes doppler shift errors caused by the ship's motions. Furthermore, by receiving the echoes selectively from about 3 m below the ship's hull, the TD-310 minimizes adverse wake influences.
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By virtue of its non-protruding, flush-mount design, the transducer of the TD-310 is completely free from the damage caused by drift ice or wood. Moreover, it needs not to be retracted beforeentering a port or extended after leaving it.
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Total cumulative distance(DISTANCE 1) and distance since reset (DISTANCE 2) are memorizedfor each display unit.
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Up to 3 Display units and 4 Analog meters can be connected.
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Auxiliary output signals as standard • Digital interface (IEC-61162-1 VBW.VLW) : 8 circuits • 200 pulses/mile contact signals • Current signal (4-20 mA) • Voltage signal
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Low cost and simplicity of installation • All special cables are supplied by TOKIMEC. • Size of main units are reduced and as a result, system can be installed
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SPECIFICATIONS
| Operating Method |
Ultrasonic paired-beam pulsed doppler system |
| Operating Frequency |
2 MHz |
| Speed range |
-10 knots to +30 knots |
| Speed display |
3-digits numerical LED readout |
| Ahead/Astern Indication |
Ahead : green LED indication Astern : red LED indication± 45° |
| Distance Display |
0.0~9999.9 nautical miles in LED Distance1 and distance2 can be stored in non-volatile memory for each display unit |
| Accuracy |
+0.1 knot(speed) ±1 %(distance) |
| Speed data output |
· IEC-61162-1 VBW sentenced (8 circuits) output period is variable between 0.5 and 9.9 sec. · Current signal(1 circuit) 4mA = -5 knots, 20 mA = +25 knots · Voltage signal(1 circuit) -3.2 V=-10 knots, 9.6 V =+30 knots |
Distance Data |
· IEC-61162-1 VLW sentenced (8 circuits)
output period is variable between 0.5 and 9.9 sec. Distance data of No.1 display unit · 200 pulses/mile contact signals (8 circuits) pulse width=100±25 ms |
| Operating depth |
3 m (2m~5m variable) |
| Power supply |
AC 100/110/115/220 V 50/60 Hz 1Ø |
| Power consumption |
Less than 50 VA |
| Operating temperature |
-15 °C ~ +55 °C |
| Others |
1 )Self check function 2)Analog meter connection 3)Sea water temperature automatic correction 4)Transducer mounting error correction |
NOTE: Design and specification are subject to change without prior notice, and
without any obligation on the part of the macnufacturer.
