The AT Series tachometer is a rugged instrument with solid-state circuitry for indication of engine RPM.
It is equipped with a ring nut for mounting into a standard 3-3/8 in. (86 mm) dash mounting hole. A full 240° sweep of the pointer gives an accurate indication on a large easy–to–read scale, and the dial can be illuminated for night reading.
Improved quality
New, easy one-button calibration procedure
Every model will accept all signal sources: alternator, magnetic pickup or ignition
Easy ring clamp for installation
LED backlight
Features
Power Input: 10-32 VDC (100 mA max at 32 VDC, does not include backlight)
MurCal is an Authorized Distributor of Murphy by Enovation products. MurCal provides experienced application and product support, before and after the sale.
For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.
ATH-40-A: 12/24 VDC Tachometer/Hourmeter; 4000 rpm; 10-32 VDC; 0 to 99,999.1 hours; LED Backlight, Black Stainless Steel Bezel; New & Easy One Button Calibration; all signal input versions in one model number; replaces: ATHA-30-12-A (20700183), ATHA-30-24-A (20700207), ATHA-40-12-A (20700221), ATHA-40-A (20700141) and ATHI-40-A (20700231).