Main functions:
1. Check and find the needed cables among so many cables in one time.
2. Continuity test for Lan cables,such as breakage, open, short, cross..
3. Visible indication: pin-to-pin cable map for individual cable (not by pairs).
4. Transmitter with RJ11 connector and pair of alligator clips.
5. Low Voltage alarm function.
6. Used on single conductors, twisted pairs, telephone cable and ed-energized electrical wiring
7. Earphone permits use in noisy environments.
8. LED light assists use in dark corners.

ST-203 Transmitter specifications
Tone frequency	1KHz
Max. distance of transmission	Up to 2 kilometers
Max. working current	Less than 10mA
Volume Regulate Function	Audio volume level control
Tone mode	2 Tones, adjustable
Compatible connectors	RJ45, cable clip with RJ11 connector
Max. signal voltage	8Vp-p
LED lights display	Wiremap, tone, tracing
Battery Type	DC9.0V（NEDA 1604/6F22) x 1pc
Dimensions (LxWxD)	15 x 3.7 x 2cm
ST-203 Receiver specifications
Frequency	1KHz
The Max. working current	Less than 30mA
Earphone jack	1
Battery Type	DC9.0V（NEDA 1604/6F22) x1pc
Dimensions (LxWxD)	12.2 x 4.5 x 2.3cm

Máy dò lỗi và test cáp mạng ST203

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