Concept Techno Systems
Digital Multimeter
 
Test & Measuring Instruments
 
 
   

Audio Testers and Analysers

We, Concept Techno Systems are manufacturers of a range of electronics instruments for Audio Testing & Analysis. We also develop custom instruments.
Our instruments - their mechanical designs, circuits, PCBs, embedded operating software - are all developed in-house. They are tested and calibrated using in-house facilities.
We care about manufacturing safe products which meet stated specifications.
 
 

Digital Dual Channel Af Voltmeters - Av 2

 
V2 is a two channel, microcontroller based, audio frequency voltmeter. It also has provision for measuring AF output power & SPL.s

Highlights
• Applications in stereo/ mono audio measurements, signal level, o/p power, sound level.
• AF power & SPL measurement with external (optional) load resistors, microphone.
• Display of channel difference, Dual channel bar graph.
• Built in optional Filters: Lin, A, Band Pass (1KHz)
• Selectable units : V (voltage), W (power), dB, dBm, dBw, dBREL
• True RMS measurements, Auto / Manual range settin
Digital Dual Channel Af Voltmeters

   
 

Programmable Audio Generators - Ag 50

 
Highlights
• Frequency Precision & Stability of Direct Digital Synthesis
• Memory Storage & Recall of upto 100 Freq. & Amplitude settings
• Waveforms : Sine, Swept Freq ( with Calibrated Sync O/P)
• Display : 16x2, LCD, backlit. Displays Freq., Amplitude & Memory Location
• Optional Remote Recall Interface
• Suitable for both Lab & Production use in testing Audio Circuits & components.
Programmable Audio Generators

   
 

Audiometers - Au 208

 
Au 208 is a compact, basic diagnostic/clinical audiometer designed with advanced digital technology. It generates precise, distortion free tones and accurate attenuation steps. Soft, clickless, well spaced keys speed up testing procedure. Threshold data can be transferred to PC for plotting standard audiograms using a specially developed (optional) software. Operation is through in built Key pad as well as TV like Remote Control.

Highlights
• PureTone / Speech / Tone Decay tests
• PC connectivity (Audiograms)
• Clickless, soft keys
• Operation with keys & Remote Control
• AC / BC / FF outputs
• Clear, Precise tones & dB steps
• Bright, 16 x 2 LCD display
• Bar graph for speech signal
   
 
Remotes / PC Controlled AV Receiver / Speaker Switchers - RX 723
 
RX 723, Remote Controlled AV Receiver/Speaker Switcher selects and connects 1-out of- 2, 7-channel Inputs (audio sources) on one hand, and 1-out of- 3, 7-channel outputs (speaker systems/amplifiers) on the other. Thus RX 723 simulates two independent rotary switches, 7-pole 2 way and 7-pole 3 way, with their respective poles connected. All switches are passive and isolated from each other.

Highlights
• 7 channels for each input/output
• Optional balanced / unbalanced I/O
• Versions : 2 inputs, 3 outputs or 1 input, 4 outputs
• Infrared Remote Control / Front panel keypad / PC operation
• Switching across outputs or channels
• Input / output socket options: Binding Posts / RCA / mixed
• Switch capacity > 6A
• Suitable for switching home theatres, AV Receivers, speaker systems, amplifiers
   
 
Loudspeaker Sweep Testers - Ls 106
 
LS 106 is a Sine / Swept Frequency Generator for Sweep Test of loudspeakers, drivers, horns, Headphones. LS 106 can also be used as a powered Audio Signal Generatorin testing audio circuits and devices like Crossover Networks, LMTs.

Highlights
• Low distortion continuous sine & swept frequency waveforms
• Precision & stability of frequency generation
• 40W rms (w.r.t 4 ) * digital level control * Line output
• User setable limit for output voltage (for safety of low power speakers)
• LCD display for output signal's frequency & Voltage level (with bar graph)
   
 
Loudspeaker Multi Testers - Lm 306  
Fo & |Z| measuring instrument and Sine/Swept Frequency Generator for Sweep Test of loudspeakers, drivers, horns, Headphones. LM 306 can also be used as a powered Audio Signal Generator in testing audio circuits and devices like Crossover Networks, LMTs.

Highlights
• Low distortion continuous sine & swept frequency waveforms
• Automatic Fo & |Z| measurement
• Precision & stability of frequency generation
• 50W rms (w.r.t 4 ) * digital level control * Line output
• User settable limit for output voltage (for safety of low power speakers)
• Use settable acceptance limits for Fo & |Z|, Go, No-Go indication
• LCD display for output signal's frequency, Voltage, Current, Fo & |Z|
• Bar graph display (for Voltage)