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Chapter 9 Specifications
Measurement Rates and System Characteristics
Measurement Rates and System Characteristics
Single Channel Measurement Rates
Function
Resolution
DCV, 2-Wire Ohms:
6
(10 PLC)
1 2
5
(1 PLC)
1 2
4
(0.02 PLC)
1 2
Thermocouple:
0.1 C (1 PLC)
(0.02 PLC)
RTD, Thermistor:
0.01 C (10 PLC)
0.1 C (1 PLC)
1 C (0.02 PLC)
ACV:
6
Slow (3 Hz)
1 2
6
1 2
Medium (20 Hz)
6
Fast (200 Hz)
1 2
[3]
6
1 2
Frequency, Period:
6
1 2
Digits (1s gate)
5
1 2
Digits (100 ms)
4
1 2
Digits (10 ms)
[4]
System Speeds
INTO Memory
Single Channel DCV
34902A Scanning DCV
34907A Scanning Digital Input
34902A Scanning DCV, scaling and 1 alarm fail
34907A Scanning Totalize
34902A Scanning Temperature
[3]
34902A Scanning ACV
34902A Scanning DCV/Ohms, alternate channels
34901A/34908A Scanning DCV
INTO and OUT of Memory to HP-IB or RS-232 (INIT, FETCh)
34902A Scanning DCV
34902A Scanning DCV with Time stamp
OUT of Memory to HP-IB
Readings
Readings with Time stamp
Readings with all Format Options ON
OUT of Memory to RS-232
Readings
Readings with Time stamp
Readings with all Format Options ON
DIRECT to HP-IB or RS-232
Single Channel DCV
34902A Scanning DCV
Single Channel MEAS DCV 10 or MEAS DCV 1
Single Channel MEAS DCV or MEAS OHMS
408
[1] [2]
System Characteristics
Readings/s
Scan Triggering
6 (5)
Scan Count:
57 (47)
Scan Interval:
600
Channel Delay:
External Trig Delay:
57 (47)
External Trig Jitter:
220
Alarms
Alarm Outputs:
6 (5)
57 (47)
Latency:
220
Memory
0.14
Readings:
1
States:
8
Alarm Queue:
100
General Specifications
Power Supply:
1
Power Line Frequency:
9
Power Consumption:
70
Operating Environment:
Storage Environment:
Weight (Mainframe):
Ch/s
Safety:
600
RFI and ESD:
250
Warranty:
250
220
170
160
[1] Reading speeds for 60 Hz and (50 Hz) operation; autozero OFF
100
[2] For fixed function and range, readings to memory,
90
scaling and alarms off, autozero OFF
60
[3] Maximum limit with default settling delays defeated
[4] Speeds are for 4
Using 115 kbaud RS-232 setting.
180
[5] Storage at temperatures above 40 C will decrease battery life
150
800
450
310
600
320
230
440
200
25
12
1 to 50,000 or continuous
0 to 99 hours; 1 ms step size
0 to 60 seconds/channel; 1 ms step size
< 5 ms; With Monitor On, < 200 ms
< 2 ms
4 TTL compatible. Selectable TTL logic
HI or LO on Fail
5 ms (typical)
Battery Backed, 4 year typical life
50,000 readings
5 instrument states
Up to 20 events
100 V / 120 V / 220 V / 240 V 10%
45 Hz to 66 Hz automatically sensed
(12 W) 25 VA peak
Full accuracy for 0 C to 55 C
Full accuracy to 80% R.H. at 40 C
[5]
-40 C to 70 C
Net: 3.6 kg (8.0 lbs)
Conforms to CSA, UL-1244, IEC 1010 Cat I
CISPR 11, IEC 801/2/3/4
3 years
1 2
digits, delay 0, display off, autozero off.
[5]
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