![Blue Sea 1820 Submersible Temperature Sensor [1820]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/608x608/products/2821/3413/38072XL__72170.1715720801.jpg?c=1 "Blue Sea 1820 Submersible Temperature Sensor [1820]")
![Blue Sea 1820 Submersible Temperature Sensor [1820]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/2821/3413/38072XL__72170.1715720801.jpg?c=1&imbypass=on "Blue Sea 1820 Submersible Temperature Sensor [1820]")
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to ![Blue Sea 1821 Universal Temperature Sensor [1821]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/9031/10912/64340XL__26639.1715734655.jpg?c=1 "Blue Sea 1821 Universal Temperature Sensor [1821]")
Blue Sea 1821 Universal Temperature Sensor [1821]
Blue Sea Systems
DEAN-64340
$14.99
RRP:
$23.99
Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED MetersIncludes double-sided tapeWaterproof designTemperature Range: -40°F to 300°F (-40°C to 150°C)Wire Length:...
![Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15282/18473/80392XL__45567.1715748705.jpg?c=1 "Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]")
![Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/15282/18474/80392BXL__94069.1715748706.jpg?c=1 "Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]")
Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]
Blue Sea Systems
DEAN-80392
$66.99
RRP:
$113.99
1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any...
![Blue Sea 1741 Mini OLED Temperature Meter [1741]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/9030/10911/64338XL__84208.1715734653.jpg?c=1 "Blue Sea 1741 Mini OLED Temperature Meter [1741]")
Blue Sea 1741 Mini OLED Temperature Meter [1741]
Blue Sea Systems
DEAN-64338
$66.99
RRP:
$113.99
Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse...
