Series
HL-09
Headset for Protective Helmets
SCORPION
The SCORPION is a headset for protective helmets for
fire brigades, police, civil protection, industries etc.
A high quality noise compensating electret microphone
and a powerful receiver guarantee a safe
communication, even in a noisy environment.
Pursuant to the field of application, only selfextinguishing materials are used.
A wide range of adapters for various helmet types is
available.
• Noise compensating microphone with integrated
windscreen
• Powerful receiver capsule
• Lightweight
• Stable construction
• Clear communication, even while using a respirator
• Easy mounting into various helmet types
• Quick release connector
• Insertion aid for safe mounting onto radio, even with
protective gloves
• Compatible to Holmberg Interface wide range of adapter cables available
Technical specification ________________________________________________________
Housing..............................................................shock-proof plastic housing, self extinguishing acc. to UL 94 V-0
Colour ................................................................black
Length of gooseneck ........................................165 mm (standard version), 215 mm (long version)
Weight without cable .......................................approx. 60 g (standard version, approx. 68 g (long version)
Terminals ...........................................................PUR-cable, black, plug depending on the version (see reverse)
Degree of protection ........................................IP 54
acc. to DIN EN 60529
Temperature range operation: .....................-20 °C up to +60 °C
Nb acc. to DIN EN 60068-2-14
storage: .........................-20 °C up to +60 °C
Nb acc. to DIN EN 60068-2-14
Acceptable relative humidity ...........................≤ 93 %
Db acc. to DIN EN 60068-2-30
Electroacoustic specification___________________________________________________
Microphone
Electroacoustic principle ...................................electret
Directional characteristic ..................................super-cardioid
Free-field nominal sensitivity ...........................7.5 mV/Pa
Short distance nominal sensitivity....................10 mV/Pa
Nominal output impedance .............................2 kΩ up to 6 kΩ
Acceptable terminal voltage Uk ........................1.5 V up to 9 V
Current drain.....................................................0.15 mA up to 0.45 mA
Receiver
Electroacoustic principle ...................................dynamic
DC resistance .....................................................8 Ω
Nominal power handling capability ................0.2 W (short time 0.4 W)
Sound pressure level .........................................90 dB
[(-42 ± 3) dB, rel. 1 V/Pa] UB = 6 V, RL = 2.2 kΩ , f = 1 kHz
[(-40 ± 3) dB, rel. 1 V/Pa] distance 16 mm, f = 1 kHz
f = 1 kHz
± 20 %
acc. to DIN EN 60268-7
± 2 dB, rel. 20 µPa, distance 20 mm, f = 1 kHz, 1 mW
Holmberg GmbH & Co. KG · Ohlauer Straße 5 - 11 · 10999 Berlin · GERMANY · Postbox 360140 · 10971 Berlin · Phone +49 30 617 80-0
Fax +49 30 617 80-200 · info@holmco.de · http://www.holmco.de · Errors excepted · Printed in Germany · 12/13
HL-09
Frequency response ______________________________________________________ HL-09
-30
Receiver:
Microphone:
0 dB
100
1 V/Pa
-40
0 dB
20 mPa
90
10
80
-50
120°
-60
70
1
200
500
1000
measuring distance 16 mm
measuring distance 1 m
100
2000
10000
5000
Frequency [Hz]
200
500
P = 1 mW
measuring distance: 20 mm
1000
2000
5000
Frequency [Hz]
Connecting diagram __________________________________________________________
5-pin LEMO cable jack
PHL.0K.305.KLA.364D
+
output
5
RL
UK
UB
_
2
3
1
4
+
_
with LEMO plug (Holmberg Interface)
2
1
4
with 4-pole NEXUS plug
Cable length
Plug
LEMO
NEXUS
with 5-pole NEXUS plug
Cable
coiled cable
straight cable
coiled cable
Cable length
coiled approx. 38 cm, straight approx. 65 cm
approx. 60 cm
coiled approx. 27 cm, straight approx. 80 cm
Included in delivery ___________________________________________________________
Headset with cable and plug
Order details
Plug
Cable
Gooseneck
Part No.
LEMO
coiled cable
standard
90-26-09951
long *)
90-26-13149
straight cable
standard
90-26-09586
coiled cable
standard
90-26-11523
long *)
90-26-13104
NEXUS, 4 pole
NEXUS, 5-pole
coiled cable
standard
90-26-13609
*) Versions with long gooseneck are dedicated for use with a respirator mask, in case of the standard gooseneck is
too short.
Accessories ___________________________________________________________________
Windscreen for microphone (unsuitable for fire brigade) .....................................Part No. 27-20-80028
Separate data sheets are available:
Data sheet AML-1
Helmet adapters for various helmet types
Data sheet AAC-1
Adapter cables with PTT for various transceivers