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AL39WF Non-Backlit - Input -20 to +3vu

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Step One: Configure The Meter
AL39 :: -20 to +3 vu
$70.00
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Step Two: Click to find out more about this product
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Brand: Sifam Instruments
Category: Panel Meters
Sub-Category: Analog Meters:
    Audio Level
Model: AL39 Presentor
P/N: AL39WF Non-Backlit
*Price: $70.00              **Special Pricing
Return Policy on This Item: 25% Restocking Fee. Must be returned in original packaging undamaged in sellable condition.
Estimated Availability

Units in stock are ready for shipment.

  • Usually Ships in 1-2 Days
Approx. Packaged Weight 1-lbs
Approx. Packaged Dimensions 3x3x4 inches
Use: Non-Standard Panel Mount
Input Ranges, Scaling: & Accuracy
  • -20 to +3 vu,  :   Class 1.5
  • 0-100 %,  :   Class 1.5
  • ,  :   
Output Ranges & Accuracy
  •  
Communication Interface
Power Supply:
Relays:
Excitation:
PDF's Sifam_Instruments/Panel_Meters/Analog_Meters/PDF/Audio_Level_Presentor.pdf Audio_Level_Presentor.pdf
Sifam_Instruments/Panel_Meters/Analog_Meters/PDF/Audio_Level_Presentor_Diagonal_Studs.pdf Audio_Level_Presentor_Diagonal_Studs.pdf
Description

Analog Meters:
    Audio Level

Specification

A low range ac voltmeter suitable for connecting across a 600 ohm line and self contained except for requiring an external 3.6k ohm resistor. Calibrated for use with a 3.6k ohm resistor 4vu above the scale marking so that the reference deflection (0vu) is produced by a signal 4vu above 1mW in 600 ohms (1.228v).

The performance of the meter is based upon the requirements of BS 6840: Part 17:1991, IEC 268 - 17: 1990. The dynamic characteristics quoted, which requires the response time to 99% of reference deflection (0vu) to be 0.3 seconds +/-10% with an overswing of at least 1.0% but not more than 1.5% are not fully met.

The overswing, because damping is not so tightly controlled but allowed to spread within normal design restraints, can vary between deadbeat to 5%. To specify the dynamic characteristics in terms of time to 99% of 0vu under such circumstances would give an unrepresentative measure of the speed of response. For this reason the time to reach -3vu with a steady reading of reference deflection (0vu) has been taken as a more realistic measure.

The following comparison can be made based on a rise time to -3vu with steady deflection of 0vu:

  • IEC 0.13 - 0.15 seconds
  • AL39 0.17 - 0.21 seconds

Mounting Option

For back of panel mounting with bezel and with only the scale and pointer visible.
  • Max panel thickness 4.0mm/0.16
  • Meter barrel cut out 27.0mm/1.06
  • Fixing studs M2.5x10.0mm/0.39

Lighting Option

No Backlighting.
RoHS:

Analog Meters:
    Audio Level

  • RoHS Compliant

Mounting Option

  • RoHS Compliant

Lighting Option

  • NA
UL:

Analog Meters:
    Audio Level

  • Not UL Approved / Recognized

Mounting Option

  • Not UL Approved / Recognized

Lighting Option

  • NA
CSA:

Analog Meters:
    Audio Level

  • Not CSA Certified

Mounting Option

  • Not CSA Certified

Lighting Option

  • NA
CE Mark:

Analog Meters:
    Audio Level

  • Not CE Marked

Mounting Option

  • Not CE Marked

Lighting Option

  • NA
ETL Listing:

Analog Meters:
    Audio Level

  • Not ETL Listed

Mounting Option

  • Not ETL Listed

Lighting Option

  • NA

Images

AL 39WF AL 39WF FRONT DIM AL 39WF REAR DIM AL 39WF SIDE DIM

Availability

* Prices are subject to change without notice

** If you are buying in volume, or are a distributor or reseller, please contact us as you may qualify for special pricing

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