Fluke Air Cleaner 80K 15 User Manual

®
80K-15  
Electronic Air Cleaner Probe  
Instruction Sheet  
Introduction  
The 80K-15 Electronic Air Cleaner Probe (hereafter referred  
to as “the probe”) is a low energy probe that extends the  
voltage measuring capability of an ac/dc voltmeter or  
multimeter.  
Properly connected, the probe is rated to 15 kV Overvoltage  
Category I. The use of the probe is restricted to low energy  
applications, which are energy limited circuits like  
electrostatic air cleaners. Do not use this probe to  
measure high voltages on power distribution systems.  
The probe is a precision 1000 : 1 voltage divider formed by  
two matched resistors. The unusually high input impedance  
offered by these resistors minimizes circuit loading and  
thereby optimizes measurement accuracy.  
WRead First: Safety Information  
WWarning  
To avoid possible personal injury or electrical shock:  
Use the probe within its voltage ratings and in dry  
conditions (no condensation is present).  
Be familiar with and exercise all possible high  
voltage safety practices.  
DO NOT use this probe to measure high voltage on  
power distribution systems.  
Always hold the probe by its gray handle. Never  
allow the probe tip or the yellow part of the probe  
to make body contact.  
Before making a measurement, make sure that the  
side of the probe plug with the GND tab is plugged  
into the low (COM) terminal of the meter.  
Attach the grounding lead to earth ground.  
Use a meter with an impedance of 10 M( ± 1% ).  
Using a meter with an input impedance less than  
10 Mreduces the accuracy of the reading by  
causing it to be lower than the voltage present.  
DO NOT use the probe with a Fluke multimeter that  
is in the kChek or Automatic Selection mode (i.e.  
Fluke 16, Fluke 12B etc.). The input impedance in  
these modes is very low.  
Make sure the probe tip is firmly attached to the  
body of the probe.  
DO NOT use the probe around explosive gas,  
vapor, or dust.  
DO NOT use the probe if it operates abnormally.  
Protection may be impaired. When in doubt have  
the probe serviced.  
PN 690385 May 1998  
©1998 Fluke Corporation. All rights reserved. Printed in U.S.A.  
 
80K-15  
Electronic Air Cleaner Probe  
4. Connect the alligator clip of the probe’s grounding lead  
to earth ground.  
Symbols  
Double insulated.  
T
5. Touch the probe tip to the circuit being measured and  
read the measurement on the meter display. If  
necessary, apply a correction factor to the reading.  
(See “Note” in the “Specifications,” below.  
Refer to explanation in this instruction sheet.  
W
X
Lethal voltages may be present.  
Table 1. 80K-15 Circuit Loading and Input/Output  
Characteristics  
Complies with relevant Canadian Standards  
Association directives.  
Earth ground  
Input Voltage  
Loading Current Output Voltage  
10 V  
10 nA  
100 nA  
1 µA  
10 mV  
100 mV  
1 V  
Using the Probe  
100 V  
1 kV  
RMS MULTIMETER  
87III TRUE  
DC  
1
10 kV  
15 kV  
10 µA  
15 µA  
10 V  
MIN MAX  
RANGE  
HOLD  
Hz  
H
REL  
41/2 DIGITS  
PEAK MIN MAX  
15 V  
1
Second  
mV  
mA  
A
V
V
µA  
2
Specifications  
OFF  
V
A
mAµA COM  
The 80K-15 Electronic Air Cleaner Probe achieves its rated  
accuracy when it is used with a voltmeter or multimeter (ac  
or dc) with an input impedance of 10 MΩ ± 1%.  
!
400mA MAX  
FUSED  
CAT II  
1000V MAX  
10A MAX  
FUSED  
!
3
The accuracy of the probe does not include the accuracy of  
the meter. To get the accuracy of the system, the accuracy  
of the meter must be added to the accuracy of the probe.  
4
Note  
5
The input impedance of the Autoranging mode on  
Fluke handheld digital multimeters varies by range.  
The input impedance in almost all ranges of Fluke  
multimeters is ~10 M. The exceptions are: the 3 V  
range on the Fluke Models 21, 23, 25, 27, 70, 73,  
75, 7; and the 4 V range on the Models 10, 11, 12,  
16, 79, 83, 85, 86, 87, 88. In the ranges on these  
multimeters, the impedance is 11.11 M.  
EAOO1F.EPD  
A
B
C
D
E
F
Probe tip  
Probe body  
Plug  
GND tab  
To improve the measurement accuracy of the probe  
when using these ranges on the models indicated,  
apply a correction factor of 0.99 i.e., multiply the  
display reading by 0.99.  
Grounding lead clip  
Multimeter or voltmeter  
Figure 1. 80K-15 Electronic Air Cleaner Probe  
1 kV to 15 kV dc or peak ac,  
10 kV rms ac  
Voltage Range:  
The 80K-15 (Figure 1) is designed to work with a meter that  
has an input impedance of 10 M( ± 1% ). A meter with an  
input impedance less than 10 Mcan produce readings  
lower than the voltage present. This can pose a serious  
hazard when a dangerous voltage is present.  
20 µA  
Maximum Current:  
Input Resistance:  
Division Ratio:  
Accuracy DC:  
Accuracy AC:  
Safety:  
1000 MΩ  
1000 : 1 (1000 x attenuation)  
± 2 % in 10 o C to 45 o C  
± 5 % @ 60 Hz, in 20 o C to 30 o C  
The 80K-15 represents a 1000 Mload to the circuit being  
measured, or 1 µA per 1 kV. Table 1 shows the circuit  
loading and input/output characteristics of the probe over its  
measurement range.  
Taking care to follow the safety practices under “WRead  
First: Safety Information,” use the probe as follows:  
Complies with IEC 1010-2-31:1993,  
Type B, 15 kV dc or peak ac, 10 kV  
rms ac, Overvoltage Category I  
(voltages derived from limited energy  
transformer).  
1. Turn on a compatible voltmeter or multimeter and  
select the voltage measurement function.  
2. Select an appropriate voltage range (i.e., 1 volt reading  
per 1000 volt input. See Table 1).  
2000 meters  
Altitude:  
3. Connect the probe’s output leads to the voltmeter or  
multimeter input terminals.  
 

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