Measurable cable

Twisted-pair cable
100ohm characteristic impedance, shielded and unshielded, CAT 3, 4, 5, 5e and 6

Compatible connectors

RJ-45 plugs

WireMap check

Wiring condition and shielding can be confirmed using the HIOKI TERMINATOR 9690 Detectable errors: open, short, reversed, transposed, split pairs and other miswiring

Cable length check

Measurable lengths: 2 to 300 m, 6.6 to 984 ft 
Measurement accuracy: ± 4% rdg. ± 1 m, ± 4% rdg. ± 3.3 ft 
Display resolution: 0.1 m, 0.3ft

Direction check

Up to 21 cables can be identified using the supplied TERMINATOR 9690 and optional Models 9690-01 to 9690-04

Display

128 x 64 dot matrix LCD (with backlight)

Functions

Auto Backlight: pressing a button turns the backlight on (it turns off automatically after about 20 seconds) 

Beeper: sounds when pressing buttons and when measurement results are displayed Energy-Saving Mode: enter into energy-saving mode after measurement (and resume when the TEST button is pressed) 

Auto Power Save: the 3665-20 turns off automatically about 10 minutes after the last button press 

Battery Check: Battery indicator blinks when voltage falls below 2.4 V Unit Switch: Select between meters or feet

Power supply

Two AA-size (LR6) alkaline batteries 1.4VA Approx. 50 hours

Dimensions, mass

Approx. 85 W x 130 H x 33 D mm, approx. 160 g

Accessories

TERMINATOR 9690 (1) 
CARRYING CASE(1) (Stores the HiTESTER 3665-20 and TERMINATORs 9690)