10
MEASUREMENTS
Broadband Values:
X = frequency weightings A and C, or A and Linear, or C and Linear (two
weightings simultaneously)
Y = time weightings Fast, Slow and Impulse (all simultaneously)
Spectrum Values
*
:
X = frequency weightings A, C or Linear
Y = time weightings Fast and Slow (two weightings simultaneously)
Equivalent Continuous Level (L
eq
):
‘I’-weighted value also selectable
(L
AIeq
)
1/3-octave Frequency Range
*
:
12.5 Hz–20 kHz
EVENTS
*
Settings:
Hourly, user-defined on the following parameters:
Detection:
Separate event start/stop triggers
Event Start Trigger:
L
eq
or SPL with minimum threshold exceedance
duration
Event Stop Trigger:
L
eq
or SPL with minimum threshold exceedance
duration
Sound Recording:
Maximum duration, MP3 or WAV format
DATA
Data:
Logging rate: ½ or 1 s
Parameters:
SPL and L
eq
, 1/3-octave spectrum, PNL and PNLT values
BASIC STATISTICAL ANALYSES
Hourly Reports:
Statistical information including Total L
eq
, Distribution
Short Reports:
User-defined period of 1 to 60 minutes. Minimum
values, maximum values, L
eq
, 5 user-defined L
N
values. Sound
recording (Maximum duration, MP3 or WAV format, max. 20% of
monitoring time)
ADVANCED STATISTICAL ANALYSES
Hourly Reports:
Total L
eq
,
Background L
eq
, Noise Event L
eq
PN dB (Perceived Noise Level) and EPN dB (Effective Perceived Noise
Level) of all events according to ICAO Annex 16
OTHER DATA
Calibration Reports:
CIC system calibration checks up to four times a
day
Weather (Requires Optional Weather Station MM-0256):
Wind speed, wind direction, temperature, relative humidity, liquid
precipitation
Weather (Requires Optional Weather Station MM-0316):
Wind speed, wind direction
GPS (Requires Optional GPS Receiver/Antenna ZZ-0249):
Latitude,
longitude, altitude
MEMORY CAPACITY
The capacity of the database is dependent on the size of the hard disk.
Standard configuration consists of a 40 GB hard disk giving at least six
months storage space (90 days for Type 3639-E/G-200 series)
Retention Time:
User-defined
INTERFACE
Configuration dependent (see Tables 1 and 2)
LAN, GPRS:
Type 3639-E/G-200 series NMT Plus/Advanced for ENMS
RS–232 Interface:
using commercially available PSTN or GSM
Modems:
Type 3639-E/G NMT Plus/Advanced, Type 3639-E/G-000
series NMT Plus/Advanced, Type 3639-E/G-300 series NMT Plus/
Advanced for System Integrators
WATCHDOG FUNCTION
Ensures automatic restart of the NMT after failure/power loss
CONTROL SOFTWARE
Configuration dependent (see Table 1 and Table 2)
Environmental Noise Management Software Type 7843:
Type 3639-E/G-200 series NMT Plus/Advanced for ENMS or ANOMS
ANOMS Noise Monitoring Software:
Type 3639-E/G-200 series NMT Plus/Advanced for ENMS or ANOMS
Noise Monitoring Software Type 7802:
Type 3639-E/G-000 series NMT Plus/Advanced
Prepared for Other Software:
Type 3639-E/G-300 series NMT Plus/Advanced for System Integrators
SOUND POWER LEVEL
<36 dB (A) L
w
DIMENSIONS AND WEIGHTS
Weatherproof Cabinet:
•
Height: 829.2 mm (32.65
″
)
•
Width: 397.4 mm (15.65
″
)
•
Depth: 200.9 mm (7.91
″
)
•
Weight: 22.4 kg (49.3 lb) for NMT with one battery, 28.9 kg (63.7 lb)
with two batteries
•
Mounting Kit: 7.5 kg (16.5 lb)
POWER REQUIREMENTS
Voltage:
110/220/240 V AC
Frequency:
47.5 – 66.0 Hz
Operates on external DC voltages between 12 – 24 V using the included
External Aux. DC Cable AO-0649
Power:
Heating option kit for NMT 3639 WU-0682 power consumption
is 30 W per compartment
(60 W total)
Batteries:
1 × QB-0065 @ 12 V included, Max. 2
Typical Operating Time:
14 hours per battery, 24 hours with two
batteries (charged when external AC or DC over 16 V applied)
L
Xeq
L
Xpeak
L
Xim
L
XYinst
L
XYmax/SPL
L
XYmin
* For Type 3639-E-200 series configurations, this requires a license for Event
Analysis Software BZ-7844 to be installed from ENM Software Type 7843.
L
XYinst
L
XYmax
L
XYmin
L
Xeq
