13
Rev. C / January 2012
PRS-812 Resistance Meter
Switch baery buss to the OFF posion before changing baeries to avoid re-
verse polarity damage to the instrument.
14 LED’s across the top of the PRS-812 indicate measurement order of mag-
nitude in decades from <10
3
to >10
12
ohms.
The PRS-812 provides very accurate measurements up to 1.0x10
12
ohms, and
has the capability to “indicate” values up to 2.0x10
14
ohms. However, the user
should be aware that accuracy degrades rapidly above 1.0x10
12
ohms.
When ON Indicates instrument in mode
When ON indicates instrument in mode
When and are , indicates instrument is in
mode.
The one decade analog scale elements darken to indicate measurement in
teger. X1, X10 or X100 darken to indicate the scale mulplier. Combine the
Analog indicators with Ω, KΩ, MΩ, GΩ and TΩ symbols to obtain an analog
measurement.
Provides the number of data points stored in the Memory Register when
is and instrument is in preparaon for a new measurement.
The Memory Register can store up to 80 data points.
Also idenes a displayed data point’s posion in the Memory Register
when in the mode.
Display’s electricaon period required for the measurement when in
during and measurement modes. In ,
provides connuous measurement ming up to 99 seconds, then restarts at
0 seconds.
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