Datasheet

10 Fluke Corporation 8845A and 8846A
Continuity
Continuity Threshold ..................................................Selectable between 1 Ω and 1000 Ω
Test Current...................................................................1 mA
Response Time..............................................................300 samples/sec with audible tone
Accuracy is given as ± (% measurements + % of range)
Range
24 Hour
(23 ± 1 °C)
90 Days
(23 ± 5 °C)
1 Year
(23 ± 5 °C)
Temperature
Coefficient/ °C
Outside 18 to 28 °C
1000.0 Ω 0.002 + 0.01 0.008 + 0.02 0.01 + 0.02 0.001 + 0.002
Diode Test
Test Current...................................................................100 μA or 1 mA
Response Time..............................................................300 samples/sec with audible tone.
Accuracy is given as ± (% measurements + % of range)
Range
24 Hour
(23 ± 1 °C)
90 Days
(23 ± 5 °C)
1 Year
(23 ± 5 °C)
Temperature
Coefficient/ °C
Outside 18 to 28 °C
5.0000 V 0.002 + 0.002 0.008 + 0.002 0.01 + 0.002 0.001 + 0.002
10.0000 V 0.002 + 0.001 0.008 + 0.002 0.01 + 0.002 0.001 + 0.002
Measurement Rates
Measurements/Second
[1]
Function Digits Setting
Integration Time
60 Hz (50 Hz)
8845A 8846A
6½ 100 NPLC 1.67 (2) s 0.6 (0.5) 0.6 (0.5)
6½ 10 NPLC 167 (200) ms 6 (5) 6 (5)
5½ 10 NPLC 16.7 (20) ms 60 (50) 60 (50)
DC Volts, DC Current, and
Resistance
5½ 0.2 NPLC 3 ms 300 300
6½ 3 Hz 0.14 0.14
6½ 20 Hz 1 1
6½ 200 Hz
[3]
1.6 1.6
AC Voltage and AC Current
[2]
6½ 200 Hz
[4]
6 6
6½ 1 s 1 1
5½ 100 ms 9.8 9.8
Frequency and Period
4½ 10 ms 80 80
[1] Typical measurement rates with autozero off.
[2] Maximum measurement rates for 0.01 % of ac step. When dc input varies, additional settling delay is required.
[3] For remote operation or external trigger using default settling delay
[4] Settling delay = 0