供應KEITHLEY 2015-THD萬用表

• THD、THD＋噪聲和SINAD測量
• 20Hz～ 20kHz正弦波發生器
• 快速頻率掃描
• 2015：4Vrms單端或8Vrms差分輸出 單次諧波幅值測量
• 5個標準音頻整形濾波器
• 13種數字多用表功能（六位半）

HW 12/10/04
Rev. J
Page 1 of 4
2015 Total Harmonic Distortion Specifications
DISTORTION CHARACTERISTICS
VOLTAGE RANGE: 100mV, 1V, 10V, 100V, 750V (user selectable).
INPUT IMPEDANCE: 1M½ paralleled by <100pF.
DISPLAY RANGE: 0–100% or 0–100.00dB.
RESOLUTION: 0.0001% or 0.00001dB.
FUNDAMENTAL FREQUENCY RANGE: 20Hz–20kHz.
HARMonIC FREQUENCY RANGE: 40Hz–50kHz.
FREQUENCY RESOLUTION: 0.008Hz.
FREQUENCY ACCURACY: ±0.01% of reading.
FREQUENCY TEMPERATURE COEFFICIENT: ²100ppm over operating
temperature range.
MEASUREMENT ACCURAC Y RESIDUAL
MODE (1 Year, 23°C ±5°C) DISTORTION1
THD and individual ±0.8dB, 0.004% or –87dB
harmonic magnitudes 20Hz to 20kHz2 20Hz to 20kHz
THD + n ±1.5 dB, 0.056% or –65dB
100Hz to 20kHz2 20Hz to 20kHz
SINAD ±1.5dB +65dB
100Hz to 20kHz2 20Hz to 20kHz
AC Level ±(0.13% of reading +
V rms 0.009% of range)
20Hz to 20kHz
Distortion Measurement Audio Filters
None C-Message
CCITT Weighting CCIR/ARM
CCIR “A” Weighting
NUMBER OF HARMonICS INCLUDED IN THD CALCULATION: 2 to
64 (user selectable).
HI AND LO CUTOFF FILTERS (bus settable): 20Hz–50kHz. Can be
combined to form brickwall bandpass filter.
Distortion Measurement Reading Rate3
FUNDAMENTAL MINIMUM
FREQUENCY FUNDAMENTAL READINGS
ACQUISITION FREQUENCY PER
MODE RANGE SECOND
Single acquisition 20 Hz to 100 Hz 14
or stored value 100 Hz to 1 kHz 24
1 kHz to 20 kHz 28
Automatic 20 Hz to 30 Hz 5.5
30 Hz to 400 Hz 6
400 Hz to 20 kHz 6.6
Frequency Sweep Reading Rate
NUMBER OF FREQUENCIES TIME (seconds)4
5 0.2
30 1.1
100 3.5
200 6.9
Notes
1. Input signal at full scale.
2. VIN ³20% of range and harmonics >–65dB.
3. Speeds are for default operating conditions (*RST), and display off, auto range
off, binary data transfer, trig delay = 0.
4. Typical times: frequencies in 400–4kHz range, binary data transfer, TRIG
DELAY = 0, Display OFF, Auto Range OFF. Data returned is THD measurement
plus AC voltage.
GENERATOR CHARACTERISTICS
FREQUENCY RANGE: 10–20kHz.
FREQUENCY RESOLUTION: 0.007Hz.
FREQUENCY ACCURACY: ±(0.015% of reading + 0.007Hz)1.
FREQUENCY TEMPERATURE COEFFICIENT: <100ppm over operating
temperature range.
SOURCE OUTPUT:
Waveform: Sinewave.
Amplitude Range: 2V rms (50½ and 600½) or 4V rms (HI Z).
Amplitude Resolution: 0.5mV rms (50½ and 600½) or 1mV rms (HI Z).
Amplitude Accuracy: ±(0.3% of setting + 2mV)1, 4.
Amplitude Temperature Coefficient: Typically 0.015%/°C.
Amplitude Flatness: ±0.1dB1, 4, 5.
Output Impedance: 50½ ± 1½ or 600½ ± 10½, user selectable.
THD: –64dB6.
Noise: 100μV rms2.
DC Offset Voltage: ±1.2mV1.
INV/PULSE OUTPUT (SINEWAVE MODE):
Frequency: Same as source output.
Amplitude Range: 2V rms (50½ and 600½) or 4V rms (HI Z).
Amplitude Resolution: 0.5mV (50½ and 600½) or 1mV rms (HI Z).
Amplitude Accuracy: ±(2.0% of setting + 2mV)1, 4.
Amplitude Flatness: ±0.1dB1, 4, 5.
Output Impedance: Same as Source Output setting.
THD: –64dB6.
Noise: 100μV rms2.
DC Offset Voltage: ±1.1mV typ., ±13mV max.1
INV/PULSE OUTPUT (PULSE MODE):
Frequency: Same as source output.
Duty Cycle: 45% ±3%.
Output Impedance: Same output impedance as the source output.
Amplitude: 0.0V ±0.07V to 4.9V ±0.12V pulse open circuit1, 3.
0.0V ±0.05V to 3.3V ±0.08V pulse 100½ load1, 3.
Overshoot: 1.0V maximum pulse open circuit3.
0.2V maximum with 100½ load pulse open circuit3.
Undershoot: 1.1V maximum pulse open circuit3.
0.45V maximum with 100½ load pulse open circuit3.
Notes
1. 1 year, 23°C ±5°C.
2. Measured at VOUT = 0V with gain 100 amplifier and 2-pole 50kHz low pass filter,
Inv/Pulse in sinewave mode, HI Z output impedance, and no load.
3. With HI Z output impedance and 1m 50½ coaxial cable.
4. HI Z output impedance, no load.
5. 4V output.
6. THD measurement includes harmonics 2 through 5, 1V rms output, HI Z, no
load.
2015 Multimeter Specifications
DC CHARACTERISTICS
CONDITIONS: MED (1 PLC)1 OR SLOW (10 PLC)ACCURACY: ±(PPM OF READING + PPM OF RANGE)
OR MED (1 PLC) WITH FILTER OF 10(PPM = PARTS PER MILLION) (E.G., 10PPM = 0.001%)
TEST CURRENT TEMPERATURE
OR BURDEN INPUT 24 HOUR14 90 DAY 1 YEAR COEFFICIENT
FUNCTION RANGE RESOLUTION VOLTAGE (±5%) RESISTANCE 23°C ± 1° 23°C ± 5° 23°C ± 5° 0°–18°C & 28°–50°C
VOLTAGE 100.0000 mV 0.1 μV > 10 G½ 30 + 30 40 + 35 50 + 35 2 + 6
1.000000 V 1.0 μV > 10 G½ 15 + 6 25 + 7 30 + 7 2 + 1
10.00000 V 10 μV > 10 G½ 15 + 4 20 + 5 30 + 5 2 + 1
100.0000 V 100 μV 10 M½ ±1% 15 + 6 30 + 6 45 + 6 5 + 1
1000.000 V 9 1 mV 10 M½ ±1% 20 + 6 35 + 6 45 + 6 5 + 1
RESISTANCE15 100.0000 ½ 100 μ½ 1 mA 30 + 30 80 + 40 100 + 40 8 + 6
1.000000 k½ 1m½ 1 mA 20 + 6 80 + 10 100 + 10 8 + 1
10.00000 k½ 10m½ 100 μA 20 + 6 80 + 10 100 + 10 8 + 1
100.0000 k½ 100m½ 10 μA 20 + 6 80 + 10 100 + 10 8 + 1
1.000000M½ 16 1 ½ 10 μA 20 + 6 80 + 10 100 + 10 8 + 1
10.00000 M½ 11,16 10 ½ 700 nA // 10M½ 300 + 6 450 + 10 600 + 10 70 + 1
100.0000 M½ 11,16 100 ½ 700 nA // 10M½ 1600 + 30 2000 + 30 2200 + 30 385 + 1
CURRENT 10.00000 mA 10 nA < 0.15 V 60 + 30 300 + 80 500 + 80 50 + 5
100.0000 mA 100 nA < 0.03 V 100 + 300 300 + 800 500 + 800 50 + 50
1.000000 A 1 μA < 0.3 V 200 + 30 500 + 80 800 + 80 50 + 5
3.00000 A 10 μA < 1 V 1000 + 15 1200 + 40 1200 + 40 50 + 5
ConTINUITY 2W 1 k½ 100m½ 1 mA 40 + 100 100 + 100 120 + 100 8 + 1
DIODE TEST 3.00000 V 10 μV 1 mA 20 + 6 30 + 7 40 + 7 8 + 1
10.00000 V 10 μV 100 μA 20 + 6 30 + 7 40 + 7 8 + 1
10.00000 V 10 μV 10 μA 20 + 6 30 + 7 40 + 7 8 + 1
DC OPERATING CHARACTERISTICS2
FUNCTION DIGITS READINGS/s PLCs8
DCV (all ranges), 61⁄2 3, 4 5 10
DCI (all ranges), and 61⁄2 3, 7 30 1
2W Ohms (<10M range) 61⁄2 3, 5 50 1
51⁄2 3, 5 270 0.1
51⁄2 5 500 0.1
51⁄2 5 1000 0.04
41⁄2 5 2000 0.01
DC SYSTEM SPEEDS2, 6
RANGE CHANGE3: 50 / s.
FUNCTION CHANGE3: 45 / s.
AUTORANGE TIME3, 10: <30 ms.
ASCII READINGS TO RS-232 (19.2K BAUD): 55 / s.
MAX. INTERNAL TRIGGER RATE: 2000 / s.
MAX. EXTERNAL TRIGGER RATE: 400 / s.
DC GENERAL
LINEARITY OF 10VDC RANGE: ±(2ppm of reading + 1ppm of range).
DCV, ½, TEMPERATURE, CONTINUITY, DIODE TEST INPUT PROTECTION: 1000V,
all ranges.
MAXIMUM 4W½ LEAD RESISTANCE: 10% of range per lead for 100½ and 1k½ ranges;
1k½ per lead for all other ranges.
DC CURRENT INPUT PROTECTION: 3A, 250V fuse.
SHUNT RESISTOR: 0.1½ for 3A, 1A and 100mA ranges. 10½ for 10mA range.
ConTINUITY THRESHOLD: Adjustable 1½ to 1000½.
AUTOZERO OFF ERROR: Add ±(2ppm of range error + 5μV) for <10 minutes and ±1°C
change.
OVERRANGE: 120% of range except on 1000V, 3A and Diode.
SPEED AND NOISE REJECTION
RMS NOISE
RATE READINGS/S DIGITS 10V RANGE NMRR12 CMRR13
10 PLC 5 61⁄2 < 1.5 μV 60 dB 140 dB
1 PLC 50 61⁄2 < 4 μV 60 dB 140 dB
0.1 PLC 500 51⁄2 < 22 μV — 80 dB
0.01 PLC 2000 41⁄2 < 150 μV — 80 dB
DC Notes
1. Add the following to ppm of range accuracy specification based on range:1V and 100V, 2ppm;
100mV, 15ppm; 100½, 15ppm; <1M½, 2ppm; 10mA and 1A, 10ppm; 100mA, 40ppm.
2. Speeds are for 60 Hz operation using factory default operating conditions (*RST). Autorange
off, Display off, Trigger delay = 0.
3. Speeds include measurement and binary data transfer out the GPIB.
4. Auto zero off.
5. Sample count = 1024, auto zero off.
6. Auto zero off, NPLC = 0.01.
7. Ohms = 24 readings/second.
8. 1 PLC = 16.67ms @ 60Hz, 20ms @ 50Hz/400Hz. The frequency is automatically determined at
power up.
9. For signal levels >500V, add 0.02ppm/V uncertainty for the portion exceeding 500V.
10. Add 120ms for ohms.
11. Must have 10% matching of lead resistance in Input HI and LO.
12. For line frequency ±0.1%.
13. For 1k½ unbalance in LO lead.
14. Relative to calibration accuracy.
15. Specifications are for 4-wire ohms. For 2-wire ohms, add 1½ additional uncertainty.
16. For rear inputs. Add the following to temperature Coefficient ‘ppm of reading’ uncertainty;
10M½ 70ppm, 100M½ 385ppm. Operating environment specified for 0°C to 50°C, 50% RH at
35°C.
HW 12/10/04
Rev. J
Page 2 of 4
2015 Multimeter Specifications
TRUE RMS AC VOLTAGE AND CURRENT CHARACTERISTICS
ACCURACY1: ±(% of reading + % of range), 23°C ±5 °C
VOLTAGE CALIBRATION 3 Hz– 10 Hz– 20 kHz– 50 kHz– 100 kHz–
RANGE RESOLUTION CYCLE 10 Hz10 20 kHz 50 kHz 100 kHz 300 kHz
100.0000 mV 0.1 μV
1.000000 V 1.0 μV 90 Days 0.35 + 0.03 0.05 + 0.03 0.11 + 0.05 0.60 + 0.08 4 + 0.5
10.00000 V 10 μV
100.0000 V 100 μV 1 Year 0.35 + 0.03 0.06 + 0.03 0.12 + 0.05 0.60 + 0.08 4 + 0.5
750.000 V 1 mV
TEMPERATURE
COEFFICIENT/°C8 0.035 + 0.003 0.005 + 0.003 0.006 + 0.005 0.01 + 0.006 0.03 + 0.01
CURRENT CALIBRATION 3 Hz– 10 Hz– 3 kHz-
RANGE RESOLUTION CYCLE 10 Hz 3 kHz 5 kHz
1.000000 A 1 μA 90 Day/1 Year 0.30 + 0.04 0.10 + 0.04 0.14 + 0.04
3.00000 A 9 10 μA 90 Day/1 Year 0.35 + 0.06 0.15 + 0.06 0.18 + 0.06
TEMPERATURE
COEFFICIENT/°C8 0.035 + 0.006 0.015 + 0.006 0.015 + 0.006
HIGH CREST FACTOR ADDITIonAL ERROR ±(% of reading) 7
CREST FACTOR: 1–2 2–3 3–4 4–5
ADDITIonAL ERROR: 0.05 0.15 0.30 0.40
AC OPERATING CHARACTERISTICS2
FUNCTION DIGITS READINGS/s RATE BANDWIDTH
ACV (all ranges), and 61⁄2 3 2s/reading SLOW 3 Hz–300 kHz
ACI (all ranges) 61⁄2 3 1.4 MED 30 Hz–300 kHz
61⁄2 4 4.8 MED 30 Hz–300 kHz
61⁄2 3 2.2 FAST 300 Hz–300 kHz
61⁄2 4 35 FAST 300 Hz–300 kHz
ADDITIonAL LOW FREQUENCY ERRORS ±(% of reading)
SLOW MED FAST
20Hz – 30Hz 0 0.3 —
30Hz – 50Hz 0 0 —
50Hz – 100Hz 0 0 1.0
100Hz – 200Hz 0 0 0.18
200Hz – 300Hz 0 0 0.10
> 300Hz 0 0 0
AC SYSTEM SPEEDS2, 5
FUNCTION/RANGE CHANGE6: 4 / s.
AUTORANGE TIME: <3 s.
ASCII READINGS TO RS-232 (19.2K BAUD)4: 50 / s.
MAX. INTERNAL TRIGGER RATE4: 300 / s.
MAX. EXTERNAL TRIGGER RATE4: 260 / s.
AC GENERAL
INPUT IMPEDANCE: 1M½ ±2% paralleled by <100pF.
ACV INPUT PROTECTION: 1000Vp.
MAXIMUM DCV: 400V on any ACV range.
ACI INPUT PROTECTION: 3A, 250V fuse.
BURDEN VOLTAGE: 1A Range: <0.3V rms. 3A Range: <1V rms.
SHUNT RESISTOR: 0.1½ on all ACI ranges.
AC CMRR: >70dB with 1k½ in LO lead.
MAXIMUM CREST FACTOR: 5 at full scale.
VOLT HERTZ PRODUCT: ²8 × 107 V·Hz.
OVERRANGE: 120% of range except on 750V and 3A ranges.
AC Notes
1. Specifications are for SLOW rate and sinewave inputs >5% of range.
2. Speeds are for 60 Hz operation using factory default operating conditions (*RST). Auto zero off,
Auto range off, Display off, includes measurement and binary data transfer out the GPIB.
3. 0.01% of step settling error. Trigger delay = 400ms.
4. Trigger delay = 0.
5. DETector:BANDwidth 300, NPLC = 0.01.
6. Maximum useful limit with trigger delay = 175ms.
7. Applies to non-sine waves >5Hz and <500Hz. (Guaranteed by design for Crest Factors >4.3)
8. Applies to 0°–18°C and 28°–50°C.
9. For signal levels >2.2A, add additional 0.4% to “of reading” uncertainty.
10. Typical uncertainties. Typical represents two sigma or 95% of manufactured units measure
< 0.35% of reading and three sigma or 99.7% < 1.06% of reading.
HW 12/10/04
Rev. J
Page 3 of 4
2015 Multimeter Specifications
Specifications are subject to change without notice.
TRIGGERING AND MEMORY
READING HOLD SENSITIVITY: 0.01%, 0.1%, 1%, or 10% of reading.
TRIGGER DELAY: 0 to 99 hrs (1ms step size).
EXTERNAL TRIGGER LATENCY: 200μs + <300μs jitter with autozero off, trigger
delay = 0.
MEMORY: 1024 readings.
MATH FUNCTIONS
Rel, Min/Max/Average/StdDev (of stored reading), dB, dBm, Limit Test, %, and
mX+b with user defined units displayed.
dBm REFERENCE RESISTANCES: 1 to 9999½ in 1½ increments.
STANDARD PROGRAMMING LANGUAGES
SCPI (Standard Commands for Programmable Instruments)
REMOTE INTERFACE
GPIB (IEEE-488.1, IEEE-488.2) and RS-232C.
FREQUENCY AND PERIOD CHARACTERISTICS1,2
RESOLUTION ACCURACY
ACV FREQUENCY PERIOD GATE ±(ppm of 90 DAY/1 YEAR
RANGE RANGE RANGE TIME reading) ±(% of reading)
100 mV 3 Hz 333 ms 1 s (SLOW) 0.333 0.01
to to to 0.1 s (MED) 3.33 0.01
750 V 500 kHz 2 μs 10 ms (FAST) 33.3 0.01
Frequency Notes
1. Specifications are for square wave inputs only. Input signal must be >10% of ACV range. If input
is <20mV on the 100mV range then the frequency must be >10Hz.
2. 20% overrange on all ranges except 750V range.
TEMPERATURE CHARACTERISTICS
THERMOCOUPLE2, 3, 4 90 DAY/1 YEAR (23°C ± 5°C)
ACCURACY1
Relative to
TYPE RANGE RESOLUTION Reference Junction
J –200 to + 760°C 0.001°C ±0.5°C
K –200 to +1372°C 0.001°C ±0.5°C
T –200 to + 400°C 0.001°C ±0.5°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.
GENERAL SPECIFICATIONS
POWER SUPPLY: 100V / 120V / 220V / 240V.
LINE FREQUENCY: 50Hz to 60Hz and 400Hz, automatically sensed at power-up.
POWER CONSUMPTION: 40 VA.
OPERATING ENVIRONMENT: Specified for 0°C to 50°C. Specified to 80% R.H. at
35°C. RH at 35°C and at an altitude of up to 2,000 meters.
STORAGE ENVIRONMENT: –40°C to 70°C.
WARRANTY: 3 years.
SAFETY: Conforms to European unio Directive 73/23/EEC EN61010-1.
EMC: Complies with European unio Directive 89/336/EEC, EN61326-1.
VIBRATION: MIL-PRF-28800F Class 3 Random.
WARMUP: 1 hour to rated accuracy.
DIMENSIONS: Rack Mounting: 89mm high × 213mm wide × 370mm deep (31⁄2 in ×
83⁄8 in × 149⁄16 in).
Bench Configuration (with handle and feet): 104mm high × 238mm wide ×
370mm deep (41⁄8 in × 93⁄8 in × 149⁄16 in).
NET WEIGHT: 4.2kg (8.8 lbs).
SHIPPING WEIGHT: 5kg (11 lbs).
VOLT HERTZ PRODUCT: ²8 × 107V·Hz.
ACCESSORIES SUPPLIED: Model 1751 Safety Test Leads, User Manual, Service
Manual.
HW 12/10/04
Rev. J
Page 4 of 4

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