TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Extech, Model 38389 Continued
Table B-59. AC Current (≤1000 A) (w/50-Turn Coil).
Calibrator output
Ammeter calibrator
Test instrument
Applied
Range
Range
Limits (A ac)
(V ac)
(A ac)
(A ac)
Min
Max
1.08 @ 50 Hz
20
600
510
570
1.08 @ 60 Hz
20
600
510
570
Table B-60. Resistance.
Calibrator output
Test instrument
Limits (%/Ω)
Applied
Range
(Ω)
(Ω)
Min
Max
190
400
-1.2105% (187.7)
+1.2105% (192.3)
1.9 k
4k
-1.605% (1870)
+1.605% (1930)
19 k
40 k
-1.605% (18.70 k)
+1.605% (19.30 k)
190 k
400 k
-1.605% (187.0 k)
+1.605% 193.0 k)
1.9 M
4M
-2.158% (1.859 M)
+2.158% (1.941 M)
19 M
40 M
-3.263% (18.38 M)
+3.263% (19.62 M)
Table B-61. Capacitance.
Capacitance standard
Test instrument
Limits (F)
Applied
Range
(F)
Min
Max
36 n
40 nF
34.13 n
37.87 n
360 n
400 nF
346.9 n
373.1 n
3.6 μ
4μ
3.469 μ
3.731 μ
36 μ
40 μ
34.69 μ
37.31 μ
90 μ
100 μ
85.45 μ
94.55 μ
Table B-62. Temperature.
Cool/Heat source
Test instrument
Limits ()
Applied
Range
()
Min
Max
32 F
-4 to 14000 F
26.04 F
37.96 F
1200 F
-4 to 14000 F
1159 F
1241 F
0C
-20 to 760 C
-3 C
3C
650 C
-20 to 760 C
627.5 C
672.5 C
B-17
