Datasheet
Coulombs
Temperature Coefficient
0°–18°C & 28°–50°C
(% + offset)/°C
6½-Digit
Resolution
Accuracy (1 Year) 1, 2
18°–28°C, (% + offset)
Range
2 nC
1 fC
10 fC
100 fC
1 pC
0.4 + 50 fC
0.4 + 500 fC
0.4 + 5 pC
0.04 + 30 fC
0.04 + 100 fC
0.04 + 1 pC
0.04 + 10 pC
20 nC
200 nC
2 µC
0.4 + 50 pC
Notes
1. Specifications apply immediately after charge acquisition. Add
|QAV
|
_____
RC
(4 fA +
) TA
where TA = period of time in seconds between the coulombs zero and measurement and QAV = average charge measured over TA and RC = 300,000 typical.
2. When properly zeroed, 6½-digit, 1 PLC (power line cycle), median filter on, digital filter = 10 readings.
Input Bias Current
<4 fA at Tcal. Temperature coefficient = 0.5 fA/°C, 2 nC range.
Temperature (Thermocouple)
Accuracy (1 Year) 1, 18°–28°C
(% rdg + °C)
Thermocouple Type
Range
K
–25°C to 150°C
(0.3% + 1.5°C)
Humidity
Accuracy (1 Year) 2
18°–28°C, (% rdg + % RH)
Range
0–100%
(0.3% +0.5)
Notes
1. Excluding probe errors, Tcal 5°C, 1 PLC integration time.
2. Humidity probe accuracy must be added. This is 3% RH for 6517-RH, up to 65°C probe environment, not to exceed 85°C.
IEEE-488 Bus Implementation
Implementation
SCPI (IEEE-488.2, SCPI-1999.0).
Trigger to Reading Done
RS-232 Implementation
Flow Control
150 ms typical, with external trigger.
Supports: SCPI 1991.0. Baud Rates: 300, 600, 1200, 2400, 4800, 9600, 19.2k, 38.4k, 57.6k, and 115.2k.
None, Xon/Xoff.
Connector
DB-9 TXD/RXD/GND.
8
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