Combined with the Loopworks Measure R1 Field Strength Meter, the HLS-2D Metal Loss Test Kit delivers a preset output level to give consistent test results. Ideal as a quick and simple site assessment tool.
The HLS-2D comes with a 12V power supply but can also be used with a suitable 12V battery.
It uses efficient class D current drive technology to reduce power consumption and heat output.
It is the only truly portable loop test driver that is capable of generating test signals to the IEC60118-4 Standard.
The 4mm banana output sockets (included) allow simple connection to test cables.
The unit has a 5 year warranty and free technical support.
Determining metal loss and background noise levels are important steps in designing hearing loop systems to avoid loss of an intelligible signal and to meet the IEC 60118-4 international standard.
To correctly assess an area for metal loss and background noise a temporary loop will need to be used in either a Perimeter loop or figure of eight MultiLoop configuration, depending on the estimated levels of metal in the building structure.
For this you will need a loop driver, a field strength meter, a loop cable, a signal source and a tape measure.
Carrying a full size loop driver around can be cumbersome and impractical to setup every time so Ampetronic developed the HLS-2D Metal Loss Test Driver.
The HLS-2D is a light, portable, loop driver with a preset output level to give consistent test results; and when used in conjunction with the Loopworks Measure R1 or Ampetronic FSM field strength meters, forms part of a quick and simple site assessment system.
Visit the following YouTube videos for Perimeter and MultiLoop test procedures:
Product Code: HLS-2D
| Power | Standard format: 12V DC Connector: 2.1mm DC Power socket, centre positive Nominal voltage: 12V DC Fuse: 1.5A PTC Power Consumption (12V DC supply):
Indication:
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| Input 1 & 2 | Connector: 3.5mm stereo socket, both audio |
| Loop Output | 20VRMS (28Vpk) at maximum output current per channel |
| Loop Output | Connector: 2 x 4mm banana sockets Preset Output: 2.5ARMS Rated temperature limited Output current (pink): 1.5ARMS Rated time for delivery: 1min Rated THD: <1% Output Impedance: >9Ω Current Indication: LED indicates >1ARMS |
| Frequency Response | 100Hz to 5kHz ±1.5dB relative to 1kHz at low level. |
| Automatic Gain Control | The AGC is optimised for speech. Dynamic range >36dB Indication: LED in case |
| Dimensions | Width 77mm Length 150mm Height 16mm |
| Weight | 272g |
| Environment | IP40: <90% relative humidity, -30 to 75 ˚C Heat dissipation <3W maximum, normally less |
Safety, EMC
The HLS-2D is CE marked to indicate compliance with relevant product safety and EMC standards.
Loop Performance
The test kit is the simplest and quickest way to assess whether an induction loop will perform to the IEC60118-4 standard.
Datasheet & Specifications
All information specified on the datasheet has been complied in accordance with the IEC 62489-1: 2010+A1:2014 Standard and reflects actual performance in realistic applications.
Test signals can be downloaded here:
| Signal | Download |
| Combination | |
| Pink Noise – Bandlimited | |
| Sine 1kHz |
Gozo, Malta
Angers, France
London, United Kingdom
