3M 965AMS Manual Do Utilizador

Tone output 
ID tone 

Precision tone- 
600 Ω Zout 

200 to 1000 Hz, 
fixed level 
200 to 9999 Hz,  
-20 to +1 dBm 
10 k to 19.99 kHz,  
-20 to +1 dBm 

8 volt peak to peak 

1 Hz, 0.1 dB 

1 Hz, 0.1 dB 

+1 Hz 

1% Hz, 0.2 dB 

2% Hz, 1 dB 

Ringers 

0.0 to 4.0 ringer 
0 to 2000 nF 

0.1 ringer 
10 nF 

Load coil count 

0 to 5 

1 

±1 load coil 

Ground resistance 

5 to 500 Ω 

1 Ω 

1% ± 1 Ω 

Ohms/distance calculator 0-9999 Ω

0-99999 ft (0-30 km) 

0.01 
1 ft (0.1 m) 

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—

TDR
Ranges

100 ft, 200 ft, 500 ft, 
1,000 ft, 2,000 ft, 5,000 
ft, 10,000 ft, 20,000 ft, 
30,000 ft (30 m, 60 m, 
150 m, 300 m, 600 
m, 1.5 km, 3km, 6 km, 
10 km)

1 ft (1 m)

5 nS, 34 nS, 135 nS, 
1660 nS, 600 nS 

*
0.3% range

Fixed values

Velocity input

0.50 to 0.99 
(150 to 299 m/μs)

—

—

Modes

Single trace, dual trace, 
differential, memory, 
crosstalk, peak, memory 
diff. 

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—

Loss (and frequency) 

With 600 Ω Zin

 -40 to +10 dBm, 200 to 
3000 Hz,
 -40 to +10 dBm, 3000 
to 9995 Hz,
-40 to +10 dBm, 10 k to 
19.9 kHz 

0.1 dB, 1 Hz, 

0.1 dB, 10 Hz

1 dB, 10 Hz 

±0.5 dB, 2 Hz 

±0.5 dB, 10 Hz 

±1 dB, 20 Hz 

Noise metallic 600 ΩZin 
C and psophometric

0 to 50 dBrnc (-90 to 
–40 dBm0p) 

1 dB 

±2 dB 

Noise to ground  
600 ΩZin

40 to 100 dBrnc  
(-50 to 10 dBm0p)

1 dB 

±2 dB 

Longitudinal balance 

0 to 85 dB

1 dB 

±2 dB 

Dial mode

DTMF, pulse

Standard

Standard