Electronics International R-1-N1 - Manual (Page 14)

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Specifications and Operating Features Specifications and Operating Features Specifications and Operating Features Specifications and Operating Features Specifications and Operating Features
S0520911
Model:
R-1 (RPM Instrument)
Case Dimensions:
2.5" x 2.5" x 3.65" depth, 2 1/4" Bezel.
Weight:
10 Oz.
Environmental:
Meets TSO C49a.
Power Requirements:
7.5 to 30 Volts, 1/10 Amp.
Analog Display:
17 High Intensity Light Emitting Diodes (LEDs) in a 210 degree arc with Intensity Control Line
available for dimming. Sequential flash test on power up. Microprocessor eliminates LED hunting
(flicker).
Red LEDs:
If the Analog Display goes from a Green LED or Yellow LED to a Red LED, the Red LED will blink
20 times then go solid red. The Red Max Limit LED is always displayed at full intensity.
Digital Display:
LCD (viewable in direct sunlight), with 12 and 24 volt backlight control wires for night operation.
Readings below 300 RPM will be displayed as "0000". Display will read "8888" on power up.
Accuracy:
1% in accordance with TSO C49a.
Resolution:
10 RPM.
Max Digital Range:
4300 RPM.
Update Time:
3 times per second.
Rev. A: 6/16/92