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Introduction and Specifications
Specifications
1
1-13
Table 1-3. 2620A/2625A Specifications (cont)
Ohms Input
Range
Resolution
Typical Full
Maximum Current
Maximum Open
Slow
Fast
Scale Voltage
Through Unknown
Circuit Voltage
300
Ω
10 m
Ω
0.1
Ω
0.22V
1 mA
3.2V
3 k
Ω
0.1
Ω
1
Ω
0.25V
110
µ
A
1.5V
30 k
Ω
1
Ω
10
Ω
0.29V
13
µ
A
1.5V
300 k
Ω
10
Ω
100
Ω
0.68V
3.2
µ
A
3.2V
3 M
Ω
100
Ω
1 k
Ω
2.25V
3.2
µ
A
3.2V
10 M
Ω
1 k
Ω
10 k
Ω
2.72V
3.2
µ
A
3.2V
4-Wire Accuracy
±
(%
±
Ω
)
Range
18
°
C to 28
°
C
0
°
C to 60
°
C
90 Days, Slow
1 Year, Fast
1 Year, Fast
1 Year, Fast
1 Year, Fast
300
Ω
0.056% + 20 m
Ω
0.060% + 20 m
Ω
0.060% + 0.2
Ω
0.175% + 20 m
Ω
0.175% + 0.2
Ω
3 k
Ω
0.053% + 0.2
Ω
0.057% + 0.2
Ω
0.057% + 2
Ω
0.172% + 0.2
Ω
0.172% + 2
Ω
30 k
Ω
0.055% + 2
Ω
0.059% + 2
Ω
0.059% + 20
Ω
0.176% + 2
Ω
0.176% + 20
Ω
300 k
Ω
0.053% + 20
Ω
0.057% + 20
Ω
0.057% + 200
Ω
0.184% + 20
Ω
0.184% + 200
Ω
3 M
Ω
0.059% + 200
Ω
0.063% + 200
Ω
0.063% + 2 k
Ω
0.203% + 200
Ω
0.203% + 2 k
Ω
10 M
Ω
0.115% + 2 k
Ω
0.120% + 2 k
Ω
0.200% + 30 k
Ω
0.423% + 2 k
Ω
0.423% + 30 k
Ω
2-wire Accuracy
Not specified
Input Protection
300V dc or ac rms on all ranges
Crosstalk Rejection
Refer to "Crosstalk Rejection" at the end of this table.
Frequency Inputs
Frequency Range
15 Hz to greater than 1 MHz
Range
Resolution
Accuracy
±
(%
±
Hz)
Slow
Fast
Slow
Fast
15 Hz - 900 Hz
9 kHz
90 kHz
900 kHz
1 MHz
0.01 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
1 Hz
0.05% + 0.02 Hz
0.05% + 0.1 Hz
0.05% + 1 Hz
0.05% + 10 Hz
0.05% + 100 Hz
0.05% + 0.2 Hz
0.05% + 1 Hz
0.05% + 10 Hz
0.05% + 100 Hz
0.05% + 1 kHz
Summary of Contents for 2620A
Page 4: ......
Page 18: ...HYDRA Service Manual 1 2...
Page 48: ...HYDRA Service Manual 1 32...
Page 140: ...HYDRA Service Manual 3 16...
Page 234: ...HYDRA Service Manual 5A 34...
Page 236: ...HYDRA Service Manual 6 2...
Page 254: ...HYDRA Service Manual 6 20 2620A 1601 s63f eps Figure 6 3 2620A 2625A A1 Main PCA...
Page 258: ...HYDRA Service Manual 6 24 2635A 1601 s64f eps Figure 6 4 2635A A1 Main PCA...
Page 260: ...HYDRA Service Manual 6 26 2620A 4002 CKT 1 CKT 2 s65f eps Figure 6 5 A2 Display PCA...
Page 272: ...HYDRA Service Manual 6 38...
Page 274: ...HYDRA Service Manual 7 2...
Page 282: ...HYDRA Service Manual 7 10...
Page 284: ...HYDRA Service Manual 8 2...
Page 285: ...Schematic Diagrams 8 8 3 Figure 8 1 A1 Main PCA 2620A 2625A 2620A 1601 s88f eps...
Page 288: ...Schematic Diagrams 8 8 6 Figure 8 1 A1 Main PCA 2620A 2625A cont 2620A 1001 3 of 4 s73f eps...
Page 292: ...Schematic Diagrams 8 8 10 2635A 1001 2 of 5 Figure 8 2 A1 Main PCA 2635A cont s76f eps...
Page 293: ...Schematic Diagrams 8 8 11 2635A 1001 3 of 5 Figure 8 2 A1 Main PCA 2635A cont s77f eps...
Page 296: ...Schematic Diagrams 8 8 14 2620A 4002 CKT 1 CKT 2 Figure 8 3 A2 Display PCA s90f eps...
Page 300: ...Schematic Diagrams 8 8 18 2620A 1003 2 of 3 Figure 8 4 A3 A D Converter PCA cont s82c eps...
Page 301: ...Schematic Diagrams 8 8 19 2620A 1003 3 of 3 Figure 8 4 A3 A D Converter PCA cont s83c eps...
Page 302: ...Schematic Diagrams 8 8 20 2620A 1604 Figure 8 5 A4 Analog Input PCA s92f eps...
Page 304: ...Schematic Diagrams 8 8 22 2620A 1605 Figure 8 6 A5 IEEE 488 Interface PCA 2620A Only s93f eps...
Page 306: ...Schematic Diagrams 8 8 24 2625A 1606 Figure 8 7 A6 Memory PCA 2625A s94f eps...
Page 310: ...Schematic Diagrams 8 8 28...