Environmental Noise Measurement Kit User Manual
Page 30
Specifications
Acoustic Measurements
Determined by Optimus Green Sound Level Meter
Microphone Capsule
From Optimus Sound Level Meter
The microphone capsule provided with the sound level meter should be used
with the MK:172 outdoor microphone to maintain the calibrated measurement
chain.
Connectors
Microphone input from MK:172 Outdoor Microphone
External Power
External power
12-18v DC
Weight & dimensions
CK:675B
465x180x355mm
14.1 kg/31 lbs
including 2 x CB:673 batteries, charger & MK:172 Outdoor Microphone
CK:685B
465x180x355mm
14.5 kg/32 lbs
includes modem, 2 x CB:673 batteries, charger & MK:172 Outdoor
Microphone
CB:673 Battery
4.4 kg/9.7 lbs
MK:172 Microphone
335mm with 75mm UA:253 coated windshield & birdspike.
Includes 10m cable with connector
For detailed specifications for the Optimus Sound Level Meters, please refer to the appropriate product data
sheet which can be downloaded from the Cirrus Research website at www.cirrusresearch.co.uk/library
Dimensions & weights do not include the optional CT:9 Tripod.
Battery life
The table below shows typical battery life under different operation conditions.
Kit Type
Battery Life with 1 x CB:673
Battery
Battery Life with 2 x CB:673
Batteries
CK:675B (No Modem or GPS) > 6 days
> 12 days
CK:685B with Modem & GPS
> 4 days
> 8 days
*Please note that these are typical values
