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Also available: Click here for the compact SLT60 Speed Temperature Log/ w NMEA 0183

SLT110 Digital Speed Temperature Log with NMEA 0183 output

Download User's Manual PDF

SLT110 Speed Temperature Log with race timers and NMEA 0183 & Alarms

CE Certified for Europe

CE Certified

Waterproof front case


Operating Voltage:
9.5 - 33.0 VDC

Current Drain:
0.037 amps nominal

Large 4 digit LCD, 5 levels of backlighting with external backlight on/off control

Speed - 0.0 to 50.0 knots/mph/kph
Average Speed - 0.0 to 50.0 knots/kph/mph
Trip Log - 0.0 to 999.9 miles/km/n. miles
Total Log - 0 - 9999 miles/km/n miles
Temp. 32.0 to 90.0 deg. F (0.0 to 32.0 C)
Race Timer - Two separate programmable start times (1-99 minutes)
Elapsed Time - 59Min/59 Sec. in seconds then up to 59Hrs/59Minutes in minutes.

Data Ouput:
NMEA 0183 serial 4800 BAUD, $VWVHW, $VWMTW, $VWVLW

Built-in 85 dB audible alarm.

4.3" x 4.3" (110m x 110mm)
2-1/2" min. depth, 3-1/2" max depth
(See case drawing)

2-1/8" (54mm) round hole


The SLT110 provides accurate digital instrumentation for boat speed, distance traveled, water temperature, elapsed time and provides a race timer that can be pre-set to two different (pre-programmable) values.

The SLT110 displays speed and average speed up to 50.0 Knots (58 M.P.H.) in tenths, very accurate water temperature in degrees F or C in tenths, trip log to 999.9 miles, permanent log to 9,999 miles and elapsed time in Minutes/Seconds and Hours/Minutes. A race timer can be started with one of two pre-settable start times.

The downcounting race timer has two presettable start points from 1 to 99 minutes each and beep off the minutes and last ten seconds before reaching zero.

Five levels of backlighting can be selected and all set-up and calibration constants are saved to a non-volatile memory. The SLT110 outputs NMEA 0183 data of boat speed, logs, and water temperature and works on both 12 and 24 VDC systems. This ASCII information can be used to log performance or repeat the display information at a remote location on the CruzPro RP30 and/or RP110 data repeaters (see www.cruzpro.com/rp30.html and www.cruzpro.com/rp110.html). If NMEA 0183 serial data is not required, then the output terminal can be programmed as an external alarm output pin.

SLT110 Connection Diagram

SLT110 Connection Diagram

SLT110 Transducer Options (Available separately):

THST-2 Plastic Speed/Temperature Thru Hull Transducer THST-2 Thru-hull plastic spped/temperature transducer THST-2 Dimensions
THST-2 Thru-hull speed/temp. transducer dimensions

TMST-2 Transom Mount Speed/Temperature Transducer
TMST-2 Transom mount speed/temperature transducer TMST-2 Dimensions
TMST-2 Transom mount spped/temp. transducer dimensions

THST-3 Retractable Bronze Thru Hull Speed/Temperature Transducer
THST-3 Retractable bronze thru-hull transducer THST-3 Dimensions
THST-3 bronze transducer dimensions
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