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Precision Base Version IEC711 Artificial Ear Headphone In-Ear Frequency Response Tester + Fixtures for Knowles/Sonion
$114.49
Precision Base Version IEC711 Artificial Ear Headphone In-Ear Frequency Response Tester + Fixture for Sonion Balanced Armature
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Precision Base Version IEC711 Artificial Ear Headphone In-Ear Frequency Response Tester + Fixture for Knowles Balanced Armature
$108.66
DM4070 3 1/2 Digital Handheld Bridge LCR Meter Inductance Capacity Meter
DM4070 Features:
Measures Capacitance and Inductance to 2.5% and Resistance to 0.5%
Simultaneous 1999 count display of the primary parameter (L, C or R)
Test frequencies of 1kHz
Selectable Parallel or Series equivalent circuit
3-1/2 digit backlit LCD display provides resolution to 1pF, 1µH and 0.1ohm
Built-in test fixture or use external test leads
Open and Short Zero removes unwanted stray impedances from the measurement
Auto power off
Self-discharge for capacitance test
Powered by 9V battery
Complete with alligator clip test leads, 9V battery, and protective holster
|
Basic function |
Range |
Basic accuracy |
|
Capacitance |
200pF/2nF/20nF/200nF/2uF/20uF/200uF/2000uF |
(2.5%+10) |
|
Inductance |
200uH/2mH/20mH/200mH/2H/20H |
(2.5%+10) |
|
Resistance |
20Ω/200Ω/2kΩ/20kΩ/200kΩ/20MΩ |
(0.5%+3) |
|
Special function |
DM4070 |
|
Low battery indication |
Approx. less than 7.5V |
|
capacitor discharge protect |
√ |
|
Auto power off |
It will power down about 30 minutes if no any measure. |
|
Function protect |
√ |
|
Anti-shock protect |
√ |
|
Sampling rate |
3times/s |
|
Operation way |
Manual range |
|
Max. display |
1999 |
|
LCD size |
65.1mm |
|
Battery |
9V (6F22) |
|
Power dissipation |
Quiescent current approx. 6mA |
Standard accessories:
1) Test leads.
2) English manual;
3) Portable bag;
