Murphy by Enovation Controls
AT / ATH TACHOMETERS - 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. The ATH Series model is also equipped with hourmeter to record the elapsed running time of an engine.
- 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
Specifications
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How to Order
Specifications
- Power Input: 10-32 VDC (100 mA max at 32 VDC, does not include backlight)
- Backlight: LED, Red (75 mA max at 32 VDC)
- Accuracy:
- Tachometer: +2% full scale
- Hourmeter: +/- 0.02%
- Temperature Range: -40 to 185° F (-40 to 85° C)
- Dial (Face Plate): 240° sweep with white numerals
- Bezel: 304 stainless steel
- Scale: 0-3000 RPM
- Case Material: Nylon, 12% glass filled
- Hourmeter Range: 99999.9 hours in 0.1 increments.
- Electromagnetic Compatibility: 2004/108/EC
- IP66 front and IP32 back (vented case)
- RoHS Compliant
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.
Downloads
How to Order
| Part Number | Model/Description | Notes |
|---|---|---|
| 20700245 | AT-30 Tachometer | Bright Stainless Steel Bezel |
| 20700246 | AT-30-A Tachometer | Black Stainless Steel Bezel |
| 20700247 | AT-30-B Tachometer | SAE Bright Stainless Steel Bezel |
| 20700248 | AT-30-C Tachometer | SAE Black Stainless Steel Bezel |
| 20700249 | ATH-30 Tach/Hourmeter | Bright Stainless Steel Bezel with Hourmeter |
| 20700250 | ATH-30-A Tach/Hourmeter | Black Stainless Steel Bezel with Hourmeter |
| 20700251 | ATH-30-B Tach/Hourmeter | SAE Bright Stainless Steel Bezel with Hourmeter |
| 20700252 | ATH-30-C Tach/Hourmeter | SAE Black Stainless Steel Bezel with Hourmeter |
| 20700254 | ATH-40-A Tach/Hourmeter | 4000 RPM Black Stainless Steel Bezel with Hourmeter |