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Section I
Table 1-1. Specifications ( Coned).
Model 3476A
DC AMMETER
Ranges: ± 0.11 A, 1.1 A ( 1.1 A maximum input)
Accuracy ( 20
°
C to 30
°
C):
Ranges
Accuracy
(90- Day Calibration Cycle)
Accuracy
(1- Year Calibration Cycle)
t 0.11 A, 1.1 A
t ( 0.8% of reading
0.2% of range)
t ( 1.0% of reading
0.2% of range)
Impedance:
1 - 1.5 ohm constant
Protection: 1.5 A fuse to 250 V (> 250 V will damage the instrument)
Temperature Coefficient: ± ( 0.05% of reading + 0.02% of range(/
°
C
AC AMMETER
Ranges: 0.11 A rms, 1.1 A rms ( 1.1 rms maximum input)
Accuracy ( 20
°
C to 30
°
C):
Accuracy
(90- Day Calibration Cycle)
Accuracy
(1- Year Calibration Cycle)
Ranges°
1.1 A rms
0.11 A rms
45 Hz to 2 kHz
± ( 2% of reading
+ 0.4% of range)
± ( 2.5% of reading
+ 0.6% of range)
2 kHz to 5 kHz
± ( 3.5% of reading
+ 0.6% of range)
± ( 5.5% of reading
+ 0.6% of range)
45 Hz to 2 kHz
t ( 2.2% of reading
+ 0.5% of range)
t ( 2.7% of reading
+ 0.7% of range)
'Ranges usable from 0.03 to full scale.
Impedance:
1 - 1.5 ohm constant
Protection:
1.5 A fuse to 250 V (> 250 V will damage the instrument)
Temperature Coefficient:
t ( 0.05 of reading + 0.05% of range)/
°
C
OHMMETER
Ranges:
1.1 kg 11 kn, 110 ko, 1100 ksz, 11000 kfi
Accuracy: ( 20
°
C to 30
°
C)
Ranges
Accuracy
(90- Day Calibration Cycle)
Accuracy
(1- Year Calibration Cycle)
110 K, 1100 K
11000 K,
1.1 K, 11 K
t ( 0.3% of reading
+ 0.1% of range)
t ( 0.5% of reading
+ 0.1% of range
± ( 0.5% of reading
+ 0.1% of range/
± ( 0.7% of reading
+ 0.1% of range)
2 kHz to 5 kHz
t ( 3.7% of reading
+ 0.7% of range)
t ( 5.7% of reading
+ 0.7% of range)
Open Circuit Voltage: < 4 V
Input Voltage Protection: < 30 V rms continuous, no effect;
30 V to 250 V rms requires replacement of input fuse; > 250 V will damage instrument.
Temperature Coefficient:
t ( 0.05% of reading + 0.02% of range)/
°
C
Table 1-2. General Information.
Ranging: Automatic or Hold Mode
Sample Rate: approximately 3 samples per second
Operating Environmental conditions:
Temperature range: 0
°
C to 40
°
C
Humidity:
95% R H
Power:
AC line, < 6 VA at:
Standard, 104-127 V, 54-66 Hz
Option 001, 86-106 V, 54-66 Hz
Option 002, 86-106 V, 48-54 Hz
Option 003, 190-230 V, 48-54 Hz
Option 004, 208-250 V, 48-54 Hz
Weight: 0.71 Kg ( 1 lb. 9 oz.)
Shipping Weight: 1.14 Kg ( 2 lb. 8 oz.)
Dimensions: 5.84 cm ( 2.3 in.) high, 16.8 cm ( 6.6 in.)
wide, 20.6 cm ( 8.1 in.) deep
1-2
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