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KMA 41MF
Multi-Function Environment Meter
4
3
Easy to use
Light measuring levers ranging from 0.01 lux to 20,000 lux.
Sound level range:
A LO (low) – Weighting: 35-100 dB
A HI (High)- Weighting: 65-130 dB
C LO (low) – Weighting: 35-100 dB
C HI (High)- Weighting: 65-130 dB
Resolution: 0.1 dB
Humidity measurement from 25
％
RH to 95
％
RH with 0.1
％
RH
resolution and fast time response.
Temperature measuring levers ranging from – 20.0
℃
～ ＋
750
℃
/-4
℉
～＋
1400
℉
3.
SPECIFICATIONS
Display:
Large 1999 counts LCD display with function of Lux , x10
Lux,
℃
,
℉
, %RH and dB, A & dB ,C & dB, Lo & dB, Hi & dB, MAX
HOLD, DATA HOLD indication.
Polarity:
Automatic, (-) negative polarity indication.
Over-range:
"OL" mark indication.
Low battery indication:
The "BAT" is displayed when the battery
voltage drops below the operating level.
Measurement rate:
1.5 times per second, nominal.
Storage temperature:
-10
℃
to 60
℃
(14
℉
to 140
℉
) at
＜
80
％
relative humidity
Auto Power Off:
Meter automatically shuts down after approx.10
minutes of inactivity.
Power:
One standard 9V, NEDA1604 or 6F22 battery.
Dimensions/Wt.:
251.0 (H) x 63.8 (W) x 40 (D) mm/250g
Photo Detector Dimensions:
115 X 60 X 27 mm
Sound Level
Measurement range:
A LO (low) – Weighting: 35-100 dB
A HI (High)- Weighting: 65-130 dB
C LO (low) – Weighting: 35-100 dB
C HI (High)- Weighting: 65-130 dB
Resolution: 0.1 dB
Typical instrument frequency range:
30Hz-10KHz
Frequency Weighting:
A, C –weighting
Time Weighting:
Fast
Maximum Hold:
Decay
＜
1.5dB/3 min
Accuracy:
±3.5 dB at 94 dB sound level, 1KHZ sine wave.
Microphone:
Electric condenser microphone.
Light
Measuring Range:
20, 200, 2000, 20,000lux
(20,000lux range reading x10)
Overrate Display:
Highest digit of "1" is displayed.
Accuracy:
±5
％
rdg
＋
10 dgts (calibrated to standard incandescent
lamp at color temperature 2856k).
Repeatability:
±2
％
.
Temperature Characteristic:
±0.1
％
/
℃
Photo detector:
One silicon photo diode with filter.
Humidity/Temperatur
e
Measurement Range:
Summary of Contents for KMA 41MF
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