A Tektronix Company
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6517B
Electrometer/High Resistance Meter
IEEE-488 BUS IMPLEMENTATION
IMPLEMENTATION:
SCPI (IEEE-488.2, SCPI-1999.0).
TRIGGER TO READING DONE:
150ms typical, with external trigger.
RS-232 IMPLEMENTATION: Supports:
SCPI 1991.0.
Baud Rates:
300, 600, 1200, 2400,
4800, 9600, 19.2k, 38.4k, 57.6k, and 115.2k.
FLOW CONTROL:
None, Xon/Xoff.
CONNECTOR:
DB-9 TXD/RXD/GND.
GENERAL
OVERRANGE INDICATION:
Display reads “OVERFLOW” for readings >105% of range. The
display reads “OUT OF LIMIT” for excesive overrange conditions.
RANGING:
Automatic or manual.
CONVERSION TIME:
Selectable 0.01PLC to 10PLC.
MAXIMUM INPUT:
250V peak, DC to 60Hz sine wave; 10sec per minute maximum on
mA ranges.
MAXIMUM COMMON MODE VOLTAGE (DC to 60Hz sine wave):
Electrometer, 500V peak;
V Source, 750V peak.
ISOLATION (Meter COMMON to chassis):
>10
10
Ω
, <500pF.
INPUT CONNECTOR:
Three lug triaxial on rear panel.
2V ANALOG OUTPUT:
2V for full range input. Non-inverting in Volts mode, inverting when
measuring Amps, Ohms, or Coulombs. Output impedance 10k
Ω
.
PREAMP OUTPUT:
Provides a guard output for Volts measurements. Can be used as an
inverting output or with external feedback in Amps and Coulombs modes.
EXTERNAL TRIGGER:
TTL compatible External Trigger and Electro meter Complete.
GUARD:
Switchable voltage guard available.
DIGITAL I/O AND TRIGGER LINE:
Available, see manual for usage.
EMC:
Conforms to European Union Directive 89/336/EEC, EN 61326-1.
SAFETY:
Conforms to European Union Directive 73/23/EEC, EN 61010-1.
READING STORAGE:
50,000.
READING RATES:
To Internal Buffer:
425 readings/second
1
.
To IEEE-488 Bus:
400 readings/second
1, 2
.
Bus Transfer:
3300 readings/second
2
.
1. 0.01PLC, digital filters off, front panel off, tempe RH off, Line Sync off.
2. Binary transfer mode.
DIGITAL FILTER:
Median and averaging.
ENVIRONMENT:
Operating:
0°–50°C; relative humidity 70% non-condensing, up to 35°C.
Storage:
–25° to +65°C.
ALTITUDE:
Maximum 2000 meters above sea level per EN 61010-1.
WARM-UP:
1 hour to rated accuracy (see manual for recommended procedure).
POWER:
User selectable 100, 120, 220, 240VAC ±10%; 50/60Hz, 100VA max.
PHYSICAL: Case Dimensions:
90mm high
×
214mm wide
×
369mm deep (3½ in.
×
8½ in.
×
14½ in.).
Working Dimensions:
From front of case to rear including power cord and IEEE-488
connector: 15.5 inches.
Net Weight:
5.4kg (11.8 lbs.).
Shipping Weight:
6.9kg (15.11 lbs.).
COULOMBS
ACCURACY
TEMPERATURE
(1 Year)
1, 2
COEFFICIENT
6½-DIGIT
18°–28°C
0°–18°C & 28°–50°C
RANGE RESOLUTION
±(% + offset)
±(% + offset)/°C
2 nC
1 fC
0.4 + 50 fC
0.04 + 30 fC
20 nC
10 fC
0.4 + 500 fC
0.04 + 100 fC
200 nC
100 fC
0.4 + 5 pC
0.04 + 1 pC
2 µC
1 pC
0.4 + 50 pC
0.04 + 10 pC
NOTES
1. Specifications apply immediately after charge acquisition. Add
|Q
AV
|
(4fA + _____ ) T
A
RC
where T
A
= period of time in seconds between the coulombs zero and meas urement and
Q
AV
= average charge measured over T
A
, and RC = 300,000 typical.
2. When properly zeroed, 6½-digit, 1PLC (power line cycle), median filter on, digital filter = 10 readings.
INPUT BIAS CURRENT:
<4fA at T
CAL
. Temperature coefficient = 0.5fA/°C, 2nC range.
TEMPERATURE (Thermocouple)
ACCURACY (1 Year)
1
THERMOCOUPLE
18°–28°C
TYPE
RANGE
±(% rdg + °C)
K
–25°C to 150°C
±(0.3% + 1.5°C)
NOTES
1. Excluding probe errors, T
cal
± 5°C, 1 PLC integration time.
HUMIDITY
ACCURACY (1 Year)
1
RANGE
18°–28°C, ±(% rdg + % RH)
0–100%
±(0.3% +0.5)
NOTES
1. Humidity probe accuracy must be added. This is ±3% RH for Model 6517-RH, up to 65°C probe environment,
not to exceed 85°C.
6517B rear panel.
65
17
B S
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