15B+/17B+/18B+ 
Calibration Manual 
14 
Table 4. Performance Specifications for 18B+ (cont.) 
Step Function 
Calibrator Output  UUT reading limit 
Value 
Frequency or 
Amplitude 
Lower Limit  Upper Limit 
16 
OHM 
0 Ω  Ω -0.3 0.3 
17 350 Ω  Ω 348.0 352.0 
18 3.5 kΩ  Ω 3.480 3.520 
19 35 kΩ  Ω 34.80 35.20 
20 350 kΩ  Ω 348.0 352.0 
21 3.5 mΩ  Ω 3.480 3.520 
22 10 mΩ  Ω 9.82 10.18 
23  BEEPER ON  40 Ω  Ω X X 
24  DIODE  0.7 V  0 Hz  0.622  0.778 
25 
CAP 
35 nF  Ω 32.75 37.25 
26 350 nF Ω 342.4 357.6 
27 3.5 μF  Ω 3.320 3.680 
28 35 μF  Ω 33.20 36.80 
29 350 μF  Ω 332.0 368.0 
30 
ADC 
3.5 A  0 Hz  3.444  3.556 
31  -10 A  0 Hz  -10.18  -9.82 
32 
AAC 
3.5 A  50 Hz  3.444  3.556 
33  10 A  400 Hz  9.82  10.18 
34 
mADC 
35 mA  0 Hz  34.44  35.56 
35  -350 mA  0 Hz  -355.6  -344.4 
36 
mAAC 
35 mA  400 Hz  34.44  35.56 
37  350 mA  50 Hz  344.4  355.6 
38 
μADC 
350 μA 0 Hz  344.4 355.6 
39 -3500 μA 0 Hz  -3556  -3444 
40 
μAAC 
350 μA 40 Hz  344.4  355.6 
41 3500 μA 400 Hz  3444  3556 
42 
LED 
-5.5 V  0 Hz  -6.05  -4.95 
43  5.5 V  0 Hz  4.95  6.05