20
N2780/81/82/83 User’s and Service Guide
General Characteristics
Environmental Specifications
N2780A/B
N2781A/B
N2782A/B
N2783A/B
Diameter of measurable
conductors
20 mm (0.79”)
20 mm (0.79”)
5 mm (0.2”)
5 mm (0.2”)
Cable lengths (Approximately)
Sensor
Power supply
2 m (78.7”)
1 m (39.4”)
2 m (78.7”)
1 m (39.4”)
1.5 m (59”)
1 m (39.4”)
1.5 m (59”)
1 m (39.4”)
External dimensions
Sensor (Approximately)
Terminator
W
H
D
176 69 27
mm
6.93” 2.72” 1.06”
27 55 18
mm
1.06” 2.17” 0.71”
W
H
D
176 69 27
mm
6.93” 2.72” 1.06”
27 55 18
mm
1.06” 2.17” 0.71”
W
H
D
175 18 40
mm
6.89” 0.71” 1.57”
27 55 18
mm
1.06” 2.17” 0.71”
W
H
D
175 18 40
mm
6.89” 0.71” 1.57”
27 55 18
mm
1.06” 2.17” 0.71”
Weight (Approximately)
520 g (18.3 oz.)
500 g (17.6 oz.)
230 g (8.1 oz.)
240 g (8.5 oz.)
Operating temperature and
humidity range
0
o
C to 40
o
C (32
o
F to 104
o
F )
80 %rh or less (no condensation)
Storage temperature and
humidity range
-10
o
C to 50
o
C (14
o
F to 122
o
F )
80 %rh or less (no condensation)
Bearable storage vibration
1. Vibration 10 to 55 Hz, 30 min per axis,
1 octave/min sweep rate,
Amplitude 0.3 mm
2. Vibration 55 Hz, 30 min per axis,
Amplitude 0.3 mm,
Vibration acceleration 17.91 m/s
2
Altitude
Operating up to 2,000 m (6,562 ft)
Pollution degree
Pollution degree 2
For indoor use only
Maximum rated
voltage to earth
N2780A/B: 600 V, CAT II, 300 V CAT III (insulated
conductor)
N2781A/B: 600 V CAT II, 300 V CAT III (insulated conductor)
N2782A/B: 300 V CAT I (insulated conductor)
N2783A/B: 300 V CAT I ( insulated conductor)
Typical Transient
overvoltages
N2780A/B,N2781A/B: Anticipated transient overvoltage 4000
V
N2782A/B,N2783A/B: Anticipated transient overvoltage 1500
V
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medium_standard.book Page 20 Friday, September 10, 2010 2:45 PM
