Tegam AVM-2000, Инструкция по эксплуатации и обслуживанию

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10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com
1-2
Section I – Introduction
Specifications
(Includes performance characteristics, description, power and utility information and
environmental information)
Table 1.1 Physical and Electrical Specifications
Inputs and Ranges • One set of input terminations for all ranges
• HI LO & Guard
• Low end 100nV full scale deflection with 2nV resolution
• High-end range
≥ 1000V full scale deflection. with 5V or better resolution
• 21 selectable ranges, (1-3-10 sequence)
Outputs and Indicators 2 output indications
• Analog meter
• Isolated analog rear panel output
Analog Output Accuracy
 Resolution
 Linearity
± 0.5% of full scale of range selected (typically 0.1%)
Within 0.1% of full scale of selected range (after floor noise compensation)
Within 0.5% of full scale of selected range
Analog Meter Accuracy
1
 Scaling
 Linearity
 Resolution
± 2% of full scale of selected range
Mirrored zero center 10-0-10 and 3-0-3
≤ ± 1% of full scale of selected range
≤ 1% of full scale of selected range (typically, 0.5% of full scale of selected
range)
Meter Response Time
2
(To 90% of final reading)
100 nV - 1 μ V full scale: 5 seconds
3 μ V full scale: 3 seconds
All other ranges : 1.5 seconds
Input Impedance
100 nV to 1 mV FS
3 mV to 300 V FS
1 KV FS
1 M Ω , 10 M Ω , 100 M Ω , or 1 G Ω Sele/- 10%
10 M Ω or 100 M Ω +/- 5%
100 M Ω +/- 5%
Offset Current Adjustable (± 2.5 nA) to zero at front panel
Filter 10-position digital low pass filter selectable from front panel 100, 200, 500
mSec, 1, 2, 5, 10, 20, 50, 100 Sec
Offset
 Resolution
 Accuracy
Continuously variable (0 to ±999.9% of range) offset for all ranges
≤ .01% of offset full scale
≤ ±0.5% of offset full scale
Series Mode Rejection > 80dB at 50Hz-60 Hz
1
Meter specification measurements and terms per ANSI C39.1
2
With filter response time set to 100 ms. Otherwise, filter response times add to meter response time.