Keithley 6487/E Digital-Multimeter, DMM, 6487/E Fiche De Données

Codes de produits

6487/E

W L

L M

E & S

www.keithley.com

1.888.KEITHLEY

(U.S. only)

A Greater Measure of Confidence

GENEral

AMMETER INPUT CONNECTOR: Three lug triaxial on

rear panel .

ANALOG OUTPUT CONNECTOR: Two banana jacks on

rear panel .

VOLTAGE SOURCE OUTPUT CONNECTOR: Two banana

jacks on rear panel .

INTERLOCK CONNECTOR: 4 pin DIN .
TRIGGER LINE: Available, see manual for usage .
DISPLAy: 12 character vacuum fluorescent .
DIGITAL FILTER: Median and averaging (selectable from

2 to 100 readings) .

RANGING: Automatic or manual .
AUTORANGING TIME

: <250ms (analog filter off, 1PLC) .

OVERRANGE INDICATION: Display reads “OVRFLOW .”
CONVERSION TIME: Selectable 0 .01PLC to 60PLC (50PLC

under 50Hz operation) . (Adjustable from 200µs to 1s)

READING RATE:

To internal buffer 1000 readings/second

To IEEE-488 bus

900 readings/second

1, 2

BUFFER: Stores up to 3000 readings .
PROGRAMS: Provide front panel access to IEEE address,

choice of engineering units or scientific notation, and
digital calibration .

EMC: Conforms with European Union Directive 89/336/

EEC, EN61326-1 .

SAFETy: Conforms with European Union Directive 73/23/

EEC, EN61010-1, CAT I .

ENVIRONMENT:

Operating: 0°–50°C; relative humidity 70% non-

condensing, up to 35°C . Above 35°C, derate humidity
by 3% for each °C .

Storage: –10°C to +65°C .

WARM-UP: 1 hour to rated accuracy (see manual for rec-

ommended procedure) .

POWER: 100–120V or 220–240V, 50–60Hz, (50VA) .
PHySICAL:

Case Dimensions: 90mm high

× 214mm wide ×

369mm deep (3½ in .

× 8

⁄

in .

× 14

⁄

in .) .

Working Dimensions: From front of case to rear

including power cord and IEEE-488 connector:
394mm (15 .5 inches) .

NET WEIGHT: <4 .7 kg (<10 .3 lbs) .

NoTEs

1 .  0 .01PLC, digital filters off, front panel off, auto zero off .
2 .  Binary transfer mode . IEEE-488 .1 .
3 .  Measured from trigger in to meter complete .

Typical analog

5½ Digit

accuracy (1 Year)

rise Time (10% to 90%)

Default

±(% rdg. + offset)

Typical

Damping

range

resolution

18°–28°C, 0–70% rH

rMs Noise

off on

2 nA

10 fA

0 .3 % + 400 fA

20 fA

4 ms

80 ms

20 nA

100 fA

0 .2 % + 1 pA

20 fA

4 ms

80 ms

200 nA

1 pA

0 .15% + 10 pA

1 pA

300 µs

1 ms

2 µA

10 pA

0 .15% + 100 pA

1 pA

300 µs

1 ms

20 µA

100 pA

0 .1 % + 1 nA

100 pA

110 µs

200 µA

1 nA

0 .1 % + 10 nA

100 pA

110 µs

2 mA

10 nA

0 .1 % + 100 nA

10 nA

110 µs

20 mA

100 nA

0 .1 % + 1 µA

10 nA

110 µs

TEMPERATURE COEFFICIENT: 0°–18°C & 28°–50°C . For each °C, add 0 .1

× (% rdg + offset) to accuracy spec .

INPUT VOLTAGE BURDEN: <200µV on all ranges except <1mV on 20mA range .
MAXIMUM INPUT CAPACITANCE: Stable to 10nF on all nA ranges and 2µA range; 1µF on 20µA and 200µA ranges, and on

mA ranges .

MAXIMUM CONTINUOUS INPUT VOLTAGE: 505 VDC .
NMRR

: (50 or 60Hz): 60dB .

ISOLATION (Ammeter Common or Voltage Source to chassis): Typically >1

×10

W in parallel with <1nF .

MAXIMUM COMMON MODE VOLTAGE (between chassis and voltage source or ammeter): 505 VDC .
ANALOG OUTPUT: Scaled voltage output (inverting 2V full scale on all ranges): 2 .5% ±2mV .
ANALOG OUTPUT IMPEDANCE

: <100

W, DC–2kHz .

VOLTAGE SOURCE:

accuracy

Noise

Typical

range step size

±(% prog. + offset)

(p-p)

Temperature

rise Time

6, 8

fall Time

7, 8

(Max.) (typical) 18°–28°C, 0–70% r.H. 0.1–10 Hz

Coefficient

(10%–90%)

(90%–10%)

±10 .100

200 µV

0 .1 % + 1 mV

<50 µV (0 .005% + 20 µV)/°C

250 µs

150 µs

±50 .500

1 mV

0 .1 % + 4 mV

<150 µV (0 .005% + 200 µV)/°C

250 µs

300 µs

±505 .00

10 mV

0 .15% + 40 mV

<1 .5 mV (0 .008% + 2 mV)/°C

4 .5 ms

1 ms

SELECTABLE CURRENT LIMIT: 2 .5mA, 250µA, 25µA for 50V and 500V ranges, 25mA additional limit for 10V range . All current lim-

its are –20%/+35% of nominal .

WIDEBAND NOISE

: <30mVp-p 0 .1Hz–20MHz .

TyPICAL TIME STABILITy: ±(0 .003% + 1mV) over 24 hours at constant temperature (within 1°C, between 18°–28°C, after 5 minute

settling) .

OUTPUT RESISTANCE: <2 .5

W .

VOLTAGE SWEEPS: Supports linear voltage sweeps on fixed source range, one current or resistance measurement per step .

Maximum sweep rate: 200 steps per second . Maximum step count 3000 . Optional delay between step and measure .

RESISTANCE MEASUREMENT (V/I): Used with voltage source; resistance calculated from voltage setting and measured current .

Accuracy is based on voltage source accuracy plus ammeter accuracy . Typical accuracy better than 0 .6% for readings between 1k

and 1T

W .

ALTERNATING VOLTAGE RESISTANCE MEASUREMENT: Offers alternating voltage resistance measurements for resistances from

W to 10

W . Alternates between 0V and user-selectable voltage up to ±505V .

NoTEs

1 .  At 1 PLC – limited to 60 rdgs/s under this condition .
2 .  At 6 PLC, 1 standard deviation, 100 readings, filter off, capped input – limited to 10 rdgs/sec under this condition .
3 .  Measured at analog output with resistive load >2k

W .

4 .  Maximum rise time can be up to 25% greater .
5 .  Accuracy does not include output resistance/load regulation .
6 .  Rise Time is from 0V to ± full-scale voltage (increasing magnitude) .
7 .  Fall Time is from ± full-scale voltage to 0V (decreasing magnitude) .
8 .  For capacitive loads, add C·

∆V/ILimit to rise time, and C·∆V/1mA to fall time .

9 . Measured with LO connected to chassis ground .

rEMoTE oPEraTIoN

IEEE-488 BUS IMPLEMENTATION: SCPI (IEEE-488 .2,

SCPI-1996 .0); DDC (IEEE-488 .1) .

LANGUAGE EMULATION: Keithley Model 486/487

emulation via DDC mode .

RS-232 IMPLEMENTATION:

Supports: SCPI 1996 .0 .
Baud Rates: 300, 600, 1200, 2400, 4800, 9600, 19 .2k,

38 .4k, 57 .6k .

Protocols: Xon/Xoff, 7 or 8 bit ASCII, parity-odd/even/

none .

Connector: DB-9 TXD/RXD/GND .

6487

Picoammeter/ Voltage Source

ode

l 6

7 s

fic

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l 6

7 s

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