34906A AGILENT TECHNOLOGIES, 34906A Datasheet - Page 17

• Manufacturer Part Number: 34906A
• Description: Computers, Data Switches
• Manufacturer: AGILENT TECHNOLOGIES

Specifications of 34906A

• Frequency Range: 45Hz To 66Hz
• Bandwidth: 2GHz
• Isolation: -35dB
• Insertion Loss: -2dB
• Lead Free Status / RoHS Status: na

Measurement characteristics
DC voltage
Measurement Method
A/D linearity
Input resistance
Input bias current
Input protection
True RMS AC voltage
Measurement method
Crest factor
Additional crest factor
Input impedance
Input protection
Resistance
Measurement method
Offset compensation
Maximum lead resistance
Input Protection
Frequency and period
Measurement method
Voltage ranges
Gate time
Measurement timeout
DC Current
Shunt resistance
Input protection
True RMS AC current
Measurement method
Shunt resistance
Input protection
Thermocouple
Conversion
Reference junction type
Open thermocouple check
Thermistor
RTD
Measurement noise rejection 60 (50) Hz
dc CMRR
ac CMRR
Integration time
200 plc/3.33s (4s)
100 plc/1.67s (2s)
20 plc/333 ms (400 ms)
10 plc/167 ms (200 ms)
2 plc/33.3 ms (40 ms)
1 plc/16.7 ms (20 ms)
< 1 plc
100 mV, 1 V, 10 V ranges
100 V, 300 V ranges
errors (non-sinewave)
Continuously Integrating
Multi-slope III A-D converter
0.0002% of reading + 0.0001 % of range
Selectable 10 MΩ or > 10,000 MΩ
10 MΩ ± 1%
< 30 pA at 25 °C
300 V all ranges
AC coupled True RMS — measures the
AC component of the input with up to
300 Vdc of bias on any range
Maximum of 5:1 at Full Scale
Crest Factor 1-2
Crest Factor 2-3
Crest Factor 3-4
Crest Factor 4-5
1 MΩ ± 2% in parallel with 150 pF
300 Vrms all ranges
Selectable 4-wire or 2-wire Ohms
Current source referenced to LO input
Selectable on 100 Ω, 1 kΩ, 10 kΩ ranges
10% of range per lead for 100 Ω and
1 kΩ ranges. 1 kΩ on all other ranges
300 V on all ranges
Reciprocal counting technique
Same as AC Voltage function
1s, 100 ms, or 10 ms
Selectable 3 Hz, 20 Hz, 200 Hz LF limit
5Ω for 10 mA, 100 mA; 0.1 Ω for 1 A
1A 250 V fuse on 34901A module
Direct coupled to the fuse and shunt.
AC coupled True RMS measurement
(measures the ac component only)
5 Ω for 10 mA; 0.1 Ω for 100 mA, 1 A
1 A 250 V fuse on 34901A module
ITS-90 software compensation
Internal, Fixed, or External
Selectable per channel. Open > 5 kΩ
44004, 44007, 44006 series
α = 0.00385 (DIN) and α = 0.00391
140 dB
70 dB
Normal mode rejection
110 dB
105 dB
100 dB
95 dB
90 dB
60 dB
0 dB
[3]
[3]
[3]
[3]
[1]
[7]
0.05 % of reading
0.15 % of reading
0.30 % of reading
0.40 % of reading
[2]
Operating characteristics
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
Single channel measurement rates
Function
dcV, 2-wire resistance 6½ digits (10 plc)
Thermocouple
RTD, thermistor
acV
Frequency, period
For 1 KΩ unbalance in LO lead
For power line frequency ± 0.1%
For power line frequency ± 1% use 80 dB or ± 3% use 60 dB
Reading speeds for 60 Hz and (50 Hz) operation
For fi xed function and range, readings to memory, scaling and
alarms off, AZERO OFF, USB datalogging OFF
Maximum limit with de fault settling delays defeated
Isolation voltage (ch-ch, ch-earth) 300 Vdc, ac rms
6½ digits = 22 bits, 5½ digits = 18 bits, 4½digits = 15 bits
Resolution
5½ digits (1 plc)
4½ digits (0.02 plc)
0.01 C (10 plc)
0.1 °C (1 plc)
(0.02 plc)
0.01 °C (10 plc)
0.1 °C (1 plc)
1 °C (0.02 plc)
6½ Slow (3 Hz)
6½ Med (20 Hz)
6½ Fast (200 Hz)
6½
6½ digits (1 s gate)
5½ digits (100 ms)
4½ digits (10 ms)
[6]
[8]
[4]
[5]
34970A/34972A
readings/sec
54 (47)
52 (47)
49 (47)
6 (5)
6 (5)
6 (5)
0.14
500
280
200
100
70
1
8
1
9
17