Data Sheet
SM1-WPW Omni-directional
Pre-amplified Microphone
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX 505-888-3926
Website: www.etsnm.com
Description
Weather proof microphone for hostile
environments such as outdoor
applications, on board ships, rooms that
are washed down daily, etc. high
performance, durable electret element
can withstand direct exposure to high
pressure water and even submersion
without affecting operation. Includes a
removable .5 inch wind screen inserted
into a directing tube. Cast Aluminum
plate mounts on any flat surface or on a
single gang “bell box”, gasket included.
Connects directly to our switcher /
mixer / amplifiers or use one of our
many interface products to make
fast and clean connections to DVRs
or remote monitoring equipment.
Includes:
SM1-WPW microphone.
Gasket
Warning label.
Installation instructions.
Wiring requirements:
2 conductor shielded (with drain wire) 22
gauge stranded. Max cable length 1500’.
Caution
It is the responsibility of the installation
company and end user to install this audio
surveillance equipment in compliance with
state and federal privacy laws. If you are
unfamiliar with these laws, consult a qualified
attorney.
Warranty
1 year parts and labor. Made in USA
SM1-WPW Specifications
Omni-directional 25' pickup pattern
Low noise MOSFET pre-amplifier.
Adjustable gain.
Internal peak limiter circuit
(.5 sec response)
500Hz-13Khz Frequency response.
Potted internal electronics. Ideal for high
vibration and harsh environments.
Corrosion resistant electret element.
Directing tube with removable
.5 inch windscreen.
Line level, 100 Ohm, unbalanced output.
Flying leads termination.
Power: 12 to 24 VDC @ 10mA.
On-board voltage regulator and
RFI filtering.
Industrial temperature range:
-40C to 105C
Sensitivity –60db
Cast Aluminum plate mounts on any flat
surface or on a single gang “bell box”,
gasket included.
Dimensions: L 4.6” W 2.8” H 2.3”
Weight 0.16lbs
Sound Surveillance
tm