TB 9-6625-2265-35
IDENTIFICATION AND DESCRIPTION
calibration of Digital Multimeter, Ballantine, Model 3100A. The manufacturer's manual
was used as the prime data source in compiling these instructions. The equipment being
calibrated will be referred to as the TI (test instrument) throughout this bulletin.
a. Model Variations . None.
hour using the dc and low frequency technique.
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. Report only those adjustments made and designated with (R).
pertain to this calibration are listed in table 1.
Test instrument
Performance specifications (3 1/2 digit display)
parameters
Dc voltage
Range: 0 to 1000 V (in 5 ranges)
Accuracy: (0.1% of reading + 1 digit)
Ac voltage
Range: 0 to 750 V (in 5 ranges)
Frequency: 40 Hz to 5 kHz
Accuracy: (% of reading + digits)
Range
Frequency
40 Hzto 1 kHz
1 to 2 kHz
2 to 5 kHz
200
mV
.75 + 2
1.5 + 3
5.0 + 5
2
V
20
V
200
V
N/A
750
V
1.0 + 2
N/A
N/A
Range: 0 to 20 MΩ (in 6 ranges)
Accuracy: (% of reading + digits)
Range:
200Ω ...............................................................
0.2
+
3
2 through 200 kΩ .........................................
0.1
+
1
2 MΩ ...............................................................
.15
+
1
20 MΩ .............................................................
2.0
+
1
