• Fuse: 10 A, Slow Blow, 250 VAC, Type 3AG
Case Ground:
Electrically connecting the AFRecorder's case to the vehicle's chassis, the engine
block, the negative terminal of the battery, or a “ground mecca” may provide
improved noise rejection in some environments. A braided cable should be used for
this purpose.
The AFRecorder Model 4800R externally connects the case ground to the AFR
sensor cable grounds using a removable jumper. This gives the Model 4800R the
maximum flexibility for integration into specific installations. Neither ground is
connected to the signal ground.
The AFRecorder Model 4800P internally connects the case ground to the AFR sensor
cable grounds. The signal ground is connected to these grounds through a 2.2K
resistor located inside the instrument.
Dimensions:
• Model 4800R
19.0” x 3.5” x 14” (fits standard 19” rack)
48.3 cm. x 8.9 cm. x 35.6 cm. (W x H x D).
• Model 4800P
10.2" x 4.6" x 13.3”
25.9 cm. x 11.7 cm. x 33.8 cm. (W x H x D).
Weight:
• Model 4800R
14.3 lbs., 6.5 kg.
• Model 4800P
12 lbs., 5.4 kg.
Specifications and Limits 39
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