KUS 4000 RPM Tachometer / 85 mm
SVB item number: 21524
Manufacturer no.: 21524
Tachometer with a measuring range of: 0 to 4000 rpm and an integrated hour meter. Ratio is adjustable from: 1.0 - 10.0. For 4 - 10 cylinder engines.With a black dial. Product details
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Product data
- SVB item number 21524
- EAN 7025926072040
- Manufacturer no. 21524
- Description KUS - 4000 RPM Tachometer
- Instrument type Engine data
- Display options Operating hours, Rotational speed
- Operating voltage 12 V
- Display-Ø 85 mm
- Backlight Red, Yellow
- Colour display No
- Dial colour Black
- Housing colour Black
- Round instrument Yes
- NMEA2000 No
- NMEA0183 No
- With transducer No
Product details
Tachometer with a measuring range of: 0 to 4000 rpm and an integrated operating hours counter. Ratio is adjustable from: 1.0 - 10.0. For 4 - 10 cylinder engines. With a black dial.
General characteristics of the KUS SEA V-Series
The instrument housings in this series are protected according to IP 67, which means they are dust-proof and waterproof to a depth of one meter. With double-walled glass, which provides excellent protection against fogging. Installation is very easy: Simply insert from the front through the 85 mm drill hole and secure from the rear with a union nut. Electrical connection using multi-connectors. All instruments are back lit. Choose between red and yellow back lighting. Designed for 12 volt operation. Use a series resistor to also operate in 24 volt systems. The black gauge is supplied with a black plastic cover, the white with a white cover. Covers can be easily exchanged. Operating range from approx. -40 C to +80 C.
Connect to terminal "W" on the alternator.
General characteristics of the KUS SEA V-Series
The instrument housings in this series are protected according to IP 67, which means they are dust-proof and waterproof to a depth of one meter. With double-walled glass, which provides excellent protection against fogging. Installation is very easy: Simply insert from the front through the 85 mm drill hole and secure from the rear with a union nut. Electrical connection using multi-connectors. All instruments are back lit. Choose between red and yellow back lighting. Designed for 12 volt operation. Use a series resistor to also operate in 24 volt systems. The black gauge is supplied with a black plastic cover, the white with a white cover. Covers can be easily exchanged. Operating range from approx. -40 C to +80 C.
Connect to terminal "W" on the alternator.
Features
Discover the features that make this product stand out. From technical details to special functions – we’ve summarized all the key information for you.
Operating voltage
12 V
Housing colour
Black
No
Product safety
Images for this rating
by
Gerulf T.
10/23/2025
Verified purchase
in use on a Schöchl Yachtbau Gesellschaft mbH - Sunbeam 40
10/23/2025
Verified purchase
in use on a Schöchl Yachtbau Gesellschaft mbH - Sunbeam 40
Customers ask customers
General question
Jorge da Costa M.
| Jun 19, 2024
Good afternoon, I received this equipment, I made the connections as requested, but it shows no sign of life. I have the 12v but it doesn't work
Answer from SVB customer service
Karen S.
| Jun 21, 2024
Dear Jorge, for this kind of inquiries please contact us at [email protected]. Our team will be happy to assist you.
Technical question
Zala D.
| Nov 1, 2024
Good day, 400 RPM Tachometer is not working. Two days ago we took new tachometer which we received from you and we try to connect to 24v (as stated in instruction manual - gauge can be connected to 12VDC or 24VDC). There is no any sign of power. Its still fully pack. Please advice what to do. Thanks in advance.
Answer from SVB customer service
Andreas M.
| Nov 4, 2024
Hello Zala, Please check that the cables are connected correctly. As you can read in the instructions, ground is blue and not black as usual. If wired correctly and still does not work, please send an e-mail to [email protected].
Answer
Zala D.
| Nov 4, 2024
Good day, Andreas. We did connect the blue wire as ground, but still have no power. Please advise on the next steps. Thank you in advance.
Comparison
Availability / Price
Item no.
21524
33461
21525
Customer ratings
Description
KUS - 4000 RPM Tachometer
KUS - Rev counter 4000 rpm
KUS - 4000 RPM Tachometer
NMEA0183
NMEA2000
Housing colour
Black
Silver
White
With transducer
Operating voltage
12 V
12 V
12 V
Colour display
Backlight
Red, Yellow
Red, Yellow
Red, Yellow
Display-Ø
85 mm
85 mm
85 mm
Instrument type
Engine data
Engine data
Engine data
Display options
Operating hours, Rotational speed
Operating hours, Rotational speed
Operating hours, Rotational speed
Round instrument
Dial colour
Black
Black
White
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