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Name of operating software:  2100RT      

2100R2T :  Suitable for Handfree kit with Extra Extended microphone..

Items of combination: 210 + 142EA-S4 (one set) + 140M + 147B   

Test object: Hand free kit or handset

Explanation: (a) Functions: 

( I ) Earphone or receiver unit :

Frequency Response :

100Hz ~ 10KHz by using Model-142EA-S4 

20Hz ~ 18KHz by using Model-142ES4

Sensitivity

AC Impedance Test  ( 2 ~ 1000 Ohms )  

DCR Test  ( 2 ~ 1000 Ohms )

Polarity Test

PAP Test  (Peak Acoustic Pressure Test)

Total Harmonic distortion test  ( 0.1% ~ 20%) or buzz & rattle test.

( II ) Transmitter or microphone :

Frequency Response (100Hz ~ 8KHz) 

Sensitivity  

ECM  DC current test

1KHz Total Harmonic distortion test. ( 0.1% ~ 20%)

Supply power voltage to ECM: +0.9V ~ +9V adjustable

Loading resistor to ECM: 180 Ohms ~ 9 K Ohms, adjustable

Microphone polarity test

(III) Short circuit test between the ground of headphone and microphone.

(b)  Has analysis function

(c) Consists of LAN function, tested data can be uploaded to the Central Monitoring Unit

(d) PASS/FAIL digital signal output, can be linked with the automation installed by the customer

**********  Suitable for Handfree kit or Handset Testing  **********

Model-210

Model-142EA-S4

Model-140M & 147B

 

**********  Suitable for Handfree kit Testing only  **********

 

Model-210	Model-142RT This test fixture can install 142ES4 * 1 and 140M * 1 ( Suitable for mono handfree kit only )	Model-142ES4 　 　 　 　 　 　 　 Model-140M
	Model-142RT This test fixture can install 142ES4 * 2 and 140M * 1 (Suitable for mono or Stereo handfree kit )

 

Model-142RT Connection diagram