Brother HD-390I Operator's Instruction Manual page 4

Professional analogue multimeter
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Capacitan
ce (uF)
Infrared
Check
AC Live
Transistor
Check
LED
Check
Decibel
Continuity
Check
POWER
Source
NOTE1: The extra indication error will occur as per the waveforms of
measured ACV/ACA other than the sine wave. Its readings of rms value may
be lower or higher than the actual root-mean-square value.
NOTE2: For 10A range, the big current loaded Max. 1min. with 5 min pause
for next testing.
NOTE3: For Diode test, Max. 15 µA in the x10k range; and Max. 0.15 mA in
the x1k range; and Max. 1.5 mA in the x100 range; and Max. 15 mA in the
x10 range; and Max. 150 mA in the x1 range.
Midscale at 0KΩ
X10K: 2K~20MΩ
Midscale at
200KΩ
2,000uF(C)
IR Data
90±15°, < 50cm
AC Live
hFE: 0-1000 via
special hFE
socket
via special hFE
socket
-20 dB ~ + 62 dB
(0dB=1mW at
600Ω)
Internal Battery: R03, AAA,1.5V x2pcs; and 6F22,
NEDA1604, 9V x1pc.
Approx.
Value
The LED Red Light can be lit and
flashing if remote control works well
The LED Red Light can be flashing if
the connected test lead contacts Live
wire or Live terminal of outlet.
Approx.
Value
Approx.
Value
Approx.
Value
Beeper
sounds <
200 Ohm
approx..
2
Use the R x 1K range
At Ω X 10 Range
At Ω X 10 Range
At ACV ranges
Overload protected by
Fuse & Oxide
Varactor .<250V
AC/DC(5s).

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