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OPERATING SPEED (cont’d)
RANGE CHANGE SPEED
1
SINGLE FUNCTION SCAN SPEED
4
(Internal Scanner)
2-Wire Ohms
4-Wire Ohms
TC
RTD
DCV (20V)
7
(2k
Ω
)
7
(2k
Ω
)
7
ACV
Frequency
Temperature
Temperature (2-Wire)
Time
Rate
Time
Rate
Time
Rate
Time
Rate
Time
Rate
Time
Rate
Time
Rate
per
(Chan./
per
(Chan./
per
(Chan./
per
(Chan./
per
(Chan./
per
(Chan./
per
(Chan./
TYPE
Chan.
second)
Chan. second)
Chan. second)
Chan.
second)
Chan.
second)
Chan.
second)
Chan.
second)
Ratio or Delta
5
(2 channels)
4 ms
250
4.4 ms
230
18.5 ms
54
Fast Scan
(using solid state
channels)
5.5 ms
181
7 ms
140
520 ms
1.9
958 ms
1
13.8 ms
72
Normal Scan
10.3 ms
97
12.1 ms
80
21 ms
47
532 ms
1.8
974 ms
1
18 ms
55
95 ms
10
AUTO ZERO OFF
AUTO ZERO ON
RATE
RATE
FUNCTION
From
To
TIME
(per second)
TIME
(per second)
DCV
200mV, 2V
20V
4.5 ms
220
3.1 ms
190
200V, 1000V
20V
8.0 ms
120
8.6 ms
110
200mV, 2V, 20V
200mV, 2V, 20V
4.5 ms
220
36
ms
27
200V, 1000V
200mV, 2V
8.0 ms
120
38
ms
26
200mV, 2V, 20V
200V
24
ms
41
52
ms
19
1000V
200V
9
ms
110
37
ms
27
Any
1000V
11
ms
165
10.1 ms
190
ACV
Any
Any
5 6 3
ms
1 . 8
5 6 3
ms
1 . 8
DCI
Any
200
μ
A, 2mA, 20mA
4 . 5 ms
2 2 0
5 . 2 ms
1 9 0
200mA, 2A
6 . 0 ms
1 6 0
6 . 6 ms
1 5 0
ACI
Any
Any
5 2 5
ms
1 . 9
5 2 5
ms
1 . 9
Ohms (2-wire)
Any
20
Ω
, 200
Ω
, 2k
Ω
, 20k
Ω
6 . 0 ms
1 6 0
3 4
ms
2 9
Any
2 0 0 k
Ω
2 6
ms
3 8
6 6
ms
1 5
Any
2M
Ω
9 5
ms
1 0
4 2 0
ms
2 . 3
Any
2 0 M
Ω
2 6 5
ms
3 . 7
6 9 0
ms
1 . 4
Any
200M
Ω
, 1G
Ω
3 6 6
ms
2 . 7
5 . 5 ms
1 8 0
Ohms (4-wire)
Any
20
Ω
, 200
Ω
, 2k
Ω
, 20k
Ω
8
ms
1 6 0
3 4
ms
2 9
Any
2 0 0 k
Ω
2 6
ms
3 8
6 6
ms
1 6
OPERATING SPEED NOTES
1. With Display off, 1 power line cycle, autorange off, filter off, triggers halted. Display on may
impact time by 3% worst case. To eliminate this impact press ENTER (hold) to lock out
display from front panel.
2. Based on using 20V, 2k
Ω
, 200mA ranges.
3. Auto Zero off, using 386SX/16 computer, average time for 1000 readings, byte order
swapped, front panel disabled.
4. Typical times for 0.01 power line cycle, autorange off, Delay=0, 100 measurements into buffer.
5. Ratio and delta functions output one value for each pair of measurements.
6. Time to measure, evaluate limits, and set digital outputs are found by summing
measurement time with limits calculation time.
7. Auto Zero off.
8. Based on 100kHz input frequency.
MIXED FUNCTION SCAN SPEED
1
(Internal Scanner)
SCAN CONFIGURATION
Average Time/
Average Rate
(Channels)
Channel
(Channel/s)
5 chan. DCV, 5 chan. 2w
Ω
20 ms
50
3 DCV, 3 2w
Ω
, 4 TC
22 ms
45
5 2wRTD, 5 TC
60 ms
17
5 2w
Ω
, 5 2wRTD
60 ms
17
9 DCV, 1 ACV
73 ms
13
2 DCV, 1 ACV, 2 2w
Ω
, 1 4w
Ω
122 ms
8
5 DCV, 5 Freq.
490 ms
2
3 DCV, 3 ACV, 2 4w
Ω
220 ms
5
TRIGGER SPEED (External Trigger or Trigger-Link)
Auto Zero On
Auto Zero Off
Trigger Latency:
1.2 ms typical
2
μ
s
Trigger Jitter:
±
0.5
μ
s
MATH AND LIMITS CALCULATION SPEED
1
NOMINAL
NOMINAL
MAXIMUM
CALCULATION
TIME
RATE (per second)
TIME
mX + b
0.35 ms
2850
0.44 ms
Percent
0.60 ms
1660
0.64 ms
Limits
6
0.35 ms
2850
0.37 ms
None
0.07 ms
0.08 ms
ENGINEERING UNIT CONVERSION SPEED
Included in reading times for multiple measurements; add to total time for single
measurements only.
CONFIGURATION
TIME
RATE (per second)
DCV
2.4 ms
416
DCV, Filter on
2.4 ms
416
DCV, Relative on
2.5 ms
400
DCV, Ratio on
3.7 ms
270
ACV
5.3 ms
188
ACV, Relative on
5.3 ms
188
ACV, Filter on
6.8 ms
147
ACV, dB
9.4 ms
106
ACV, dBm
17.3 ms
57
DISPLAY SPEED
Display updated at up to 20 times per second. Display update can be suspended
by holding the display (press ENTER) or setting Display Enable Off from GPIB.
GPIB DATA FORMATTING TRANSMISSION TIME
3
READINGS
READINGS WITH
ONLY
TIME STAMP
FORMAT
Time
Rdg./s
Time
Rdg./s
DREAL
(Double precision real)
0.30 ms
3330
2.0 ms
500
SREAL
(Single precision real)
0.37 ms
2710
2.1 ms
475
ASCII
3.9 ms
255
8.2 ms
120