![Blue Sea 8239 AC Digital Frequency Meter [8239]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622720/blue-sea-8239-ac-digital-frequency-meter-8239.webp)
Description
AC Digital Frequency Meter
- Displays frequency from 40 to 90 Hertz
- 3 levels of display brightness
- Splashproof front
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 P65Warnings.ca.gov.
Owner’s Manual (pdf)
![Blue Sea 8238 AC Digital Ammeter [8238]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622720/blue-sea-8238-ac-digital-ammeter-8238.webp)
![Blue Sea 8251 DC Digital Voltmeter w/Alarm [8251]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622720/blue-sea-8251-dc-digital-voltmeter-w-alarm-8251.webp)
![Blue Sea 8236 DC Digital Ammeter [8236]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622720/blue-sea-8236-dc-digital-ammeter-8236.webp)
![Blue Sea 8245 AC Analog Micro Voltmeter – 2 Face, 0-250 Volts AC [8245]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622720/blue-sea-8245-ac-analog-micro-voltmeter-2-face-0-250-volts-ac-8245.webp)
![Raymarine Element 7 S Combo – No Transducer – No Chart [E70531]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756623081/raymarine-element-7-s-combo-no-transducer-no-chart-e70531.webp)
![Rapala Pedestal Tool Combo [RPTC]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622948/rapala-pedestal-tool-combo-rptc.webp)
![Blue Sea 5054 ST CLB Circuit Breaker Block – 12 Position w/Negative Bus [5054]](https://www.micrometerx.com/wp-content/uploads/2025/8/1756622777/blue-sea-5054-st-clb-circuit-breaker-block-12-position-w-negative-bus-5054.webp)