23
screen.
DC out connector
DC output: 3 V (full scale), 25 mV/dB
Output impedance: 50 Ω
Load impedance:
10 kΩ or more
AC monitor output connector AC output:
1 Vrms
+600 mVrms
-400 mVrms
(at 110 dB)
(Upper limit: 1.8 Vrms)
Overload:
+2 dB
Output impedance: 600 Ω
Load impedance:
10 kΩ or more
Frequency weighting characteristics:
Z weighting
Power requirements
2 size AAA (IEC R03, LR03) batteries
Power consumption:
Approx. 80 mA (when operating at 3 V)
(Approx. 30% in sleep mode)
Battery life (at normal temperature):
Wide range
Approx. 9 hours (using alkaline
batteries)
Approx. 3 hours (using manga-
nese batteries)
Peak range
Approx. 7 hours (using alkaline
batteries)
Approx. 2 hours (using manga-
nese batteries)
Battery life will be reduced by 20% when
a DC output cable is connected.
Power consumption increases by ap-
proximately 20% during calibration.
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