9
10. DECIBELS:
Range: –20 to +10 dB, –8 to +22 dB, 0 to +30 dB,
+6 to +36 dB, +20 to +50 dB
Reference Level: With zero dB power level equal to 1 mW across a
600V line.
11. BATTERIES:
Voltage: 1.5V, 9V
NEDA No.: 13F, 1604
12. FUSE: F1 1A, 250V, type 3AG, quickacting Littlefuse Type
312001, F2 2A, 600V Littlefuse Type BLS or 2A
600V, Bussman Type BBS.
13. TEST LEADS: 1 red, 1 black, 48" long.
14. SIZE: 5½” x 7" x 3 ” (13.34 x 17.78 x 7.94 cm)
15. WEIGHT: 3 lbs. (1.359 kg)
16. RATED-CIRCUIT-TO-
GROUND VOLTAGE: 1000V AC/DC Max.
***Per ANSI C 39.5 April 1974: “The specified voltage with respect to ground, which may be safely and continuously
applied to the circuit of an Instrument.”
1.9 Definition of Accuracy
The voltage and current accuracy of this Instrument is commonly expressed as a
percent of full scale. This should not be confused with accuracy of reading (indi-
cation). For example, +2% of full scale on the 10 volt range allows an error of
±0.20V at any point on the dial. This means that at full scale, the accuracy read-
ing would be ±2%, but at half scale it would be ±4%. Therefore, it is advantageous
to select a range which gives an indication as near as possible to full scale.
1.10 Safety Considerations
This Operator’s Manual contains cautions and warnings alerting the user to haz-
ardous operating and service conditions. This information is flagged by CAUTION
or WARNING headings throughout the publication, where applicable, and is de-
fined at the front of the manual under SAFETY SYMBOLS. To ensure the safety of
operating and servicing personnel and to retain the operating conditions of the
Instrument, these instructions must be adhered to.
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