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11
Environmental effects
Environmental effects
The typical time intervals needed to stabilize after changes in environmental conditions
include:
For temperature change of 10 ºC (18 ºF) allow at least 5 minutes.
For relative humidity change of 30% (non-condensing) allow at least 30 minutes.
For static pressure change of 10 kPa allow at least 5 seconds.
Temperature Ranges
Operating temperature:
Operating atmospheric pressure:
Relative humidity:
Storage temperature:
Storage atmospheric pressure:
User Interface
Display
Digit Size:
Resolution:
Update Rate: 0.5 sec.
Keypad
5 keys: F/S key, A/C key, Mode key, Run/Stop key, Power On/Off key.
Measurements
Displayed data and status
indicators
Display Range
Linearity Range
Frequency Weighting
Time Response
Exchange Rate (ER)
2 cm ( ¾")
0.1 dB
Sound Pressure Level (SPL), Average value (L
LED Alert
(M
), and Run-Time (max 99 hours), Overload (O
IN
Under-Range (U
40 to 130 dB (Dynamic range)
45 to 130 dB (Dynamic range)
A or C
Fast (125 msec) or Slow (1 sec)
3 dB or 5 dB
32 ⁰F to 104 ⁰F (0 ⁰C to 40 ⁰C)
80–110kPa
0%–90%, non-condensing
-4 ⁰F to 158 ⁰F (-20 ⁰C to 70 ⁰C)
50 -150kPa
, Maximum value (M
)
R
/L
EQ
AVG
), Minimum value
AX
), and
L
),
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