Đồng hồ kiểm tra line Pro'skit MT-8100

Loop limit

2 KΩ maximum at 48 VDC
(nominal 20 mA minimum loop current)

DC resistance

Talk mode

300Ω typical

Monitor impedance

39kΩ nominal at 1 kHz

Rotary dial output

Pulsing rate

10pps+0.8pps

Percent break

61%±2%

Interdigit interval

1000 ms typical

Leakage during Break

>50 kΩ

DTMF output

Tone frequency error

±1.2% maximum

Tone level

-8±2dBm combined (typical)

High versus low tone difference

4 dB maximum

Memory dialing

Memory capacity

13 memories including M1, last number redialing

Digit capacity

16 digits per memory

PBX pause duration

4 seconds

Line voltage test

5 Phase AC/DC voltage
indication (under24V,24~100V,101~150V, 151~200V,more than 200V)

Monitor amplifier

9V transistor; provides 25 hours continuous use, typical

Power source

Continuous use, typical

Automatic power shut off(Monitor type)

After 5 min. of no audio signal

Speaker phone levels

Electronically adjustable

Power source

Battery (9V) 6F22 (Not included)

Physical

Measurement

230 ×82 × 89mm
(9-1/16” × 3-15/64” × 3-1/2”)

Weight

635g typical

Water resistance

Dust protection & Waterproof tested to an IEC/EN 60529 IP54 rating

Cord sets

Angled bed of nails and RJ11 plug

Environmental

Temperature

Operating: 0 to 50°C
Storage:-10 to 60°C

Altitude

To 10,000 feet (3,000M) max

Relative humidity

5 To 95%