TB 9-6625-2020-35
Test instrument
Performance
parameters
specifications
Type DM 502
Ac decibels
Range: -40 to +40 dB in 4 ranges
0.5 dB from 0 to +20 dB from 20 Hz to 20 kHz
Accuracy:
0.5 dB from 0 to -10 dB from 20 Hz to 2 kHz
1.0 dB from 0 to -10 dB from 2 to 20 kHz
0.5 dB from -10 to -20 dB from 20 Hz to 2 kHz
1.0 dB from -10 to -20 dB from 2 to 7.5 kHz
2.0 dB from -10 to -20 dB from 7.5 to 20 kHz
Range: 0 to 20 MΩ in 6 ranges
Ohms
200Ω range; (0.5% 1 count) +0.1Ω
Accuracy:
2, 20, 200 kΩ, and 2 MΩ range; 0.5%, 1 count
20 MΩ range; 1%, 1 count
Dc current
Range: 0 to 2000 mA in 5 ranges
0.2% of reading, 1 count
Accuracy:
Ac current1
Range: 0 to 2000 mA in 5 ranges
0.6% of reading, 1 count
Accuracy:
Type DM 502A
Dc volts
Range: 0 to 1000 V in 5 ranges
200 mV, 2, 20, and 200 V range: (0.1% of reading +0.05% of FS)
Accuracy:
1000 V range: (0.1% of reading +0.1% of FS)
Ac volts
Range: 0 to 500 V in 5 ranges
Accuracy:
200 mV, 2, 20, and 200 V range:
20 to 40 Hz, (1.5% of reading +0.3% of FS)
40 Hz to 20 kHz, (0.6% of reading 0.3% of FS)
500 V range:
20 to 40 Hz, (1.5% of reading +1.2% of FS)
40 Hz to 20 kHz, (0.6% of reading +1.2% of FS)
True rms decibels
Range: -10 dB to +50 dB in 4 ranges with measurement capability to -60 dB
Accuracy: 0.5 dB from +50 dB to -50 dB from 20 Hz to 20 kHz
0.5 dB from -50 dB to -60 dB from 20 Hz to 2 kHz
1.5 dB from -50 dB to -60 dB from 2 kHz to 10 kHz
Range: 0 to 20 MΩ in 6 ranges
Ohms
200Ω, 2 kΩ, 20kΩ, 200 kΩ, and 2000 kΩ range:
Accuracy:
(0.5% of reading +0.05% of FS +0.2 Ω)
20 MΩ range: (1% of reading +0.05% of FS)
Dc current
Range: 0 to 2000 mA in ranges
(0.2% of reading, +0.05% of FS)
Accuracy:
Ac current1
Range: 0 to 2000 mA in 5 ranges
Accuracy: (0.6% of reading +0.3% of FS)
1Ac
current verified during dc current check since same shunt resistors are utilized for both checks.
3