Keithley 2000, Руководство по калибровке

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JMM 8/8/01
Rev. E
2000 6½-Digit Multimeter Specifications
FREQUENCY AND PERIOD CHARACTERISTICS
1, 2
ACV Range Frequency Range Period Range Gate Time
Resolution
±(ppm of reading)
Accuracy
90 Day/1 Year ±(%of reading)
100 mV
to
750 V
3 Hz
to
500 kHz
333 ms
to
2 µs
1 s
(SLOW) 0.3 0.01
Frequency Notes
1
Specifications are for squarewave inputs >10% of ACV range, except 100mV range. On 100mV range frequency must be >10Hz if voltage is
<20mV.
2
20% overrange on all ranges except 750V range.
TEMPERATURE CHARACTERISTICS
Thermocouple
2,3,4
90 Day/1 Year (23°C ±5°C) Accuracy
1
Type Range Resolution Relative to Reference Junction Using 2001-TCSCAN
5
J -200 to + 760°C 0.001°C ±0.5°C ±0.65°C
K -200 to + 1372°C 0.001°C ±0.5°C ±0.70°C
T -200 to + 400°C 0.001°C ±0.5°C ±0.68°C
Temperature Notes
1
For temperatures <–100°C, add ±0.1°C and >900°C add ±0.3°C.
2
Temperature can be displayed in °C, K or °F.
3
Accuracy based on ITS-90.
4
Exclusive of thermocouple error.
5
Specifications apply to channels 2-6. Add 0.06°C/channel from channel 6.
INTERNAL SCANNER SPEED
4
MAXIMUM INTERNAL SCANNER RATES
RANGE:
Channels/s
1
TRIGGER DELAY = 0
DCV
2
ACV
2, 3
2-Wire Ohms
2
4-Wire Ohms
2
Temperature
4
All :110 All : 100 All : 105 <10M
Ω
: 33 All : 60
Trigger Delay = Auto
DCV
2
ACV
2, 3
2-Wire Ohms
2
4-Wire Ohms
2
Temperature
4
0.1V : 105 All : 1.8
100
Ω
: 85 100
Ω
: 29
All : 60
1V : 105 1k
Ω
: 85 1k
Ω
: 29
10V : 105
10k
Ω
: 42 10k
Ω
: 22
100V : 70
100k
Ω
: 28 100k
Ω
: 18
1000V : 70
1M
Ω
: 8 1M
Ω
: 7
10M
Ω
: 5 10M
Ω
: 5
100M
Ω
: 3 100M
Ω
: 3
Internal Scanner Speed Notes
1
Speeds are for 60Hz operation using factory default operating conditions (*RST). Auto Zero off, Auto Range off, Display off,
sample count = 1024.
2
NPLC = 0.01.
3
DETector:BANDwidth 300.
4
10-channel card specification. See individual card specifications for options other than 10-channel card.