HP 3438A - Page 8

Model 3438A
Section I
Table 1-1. Specifications (Cont'd).
OHMMETER
Specifications
* (2% of
* 11.2%of reading
reading
t 4 digits)
* 4 digits)
t I1 .7% of
reading
k 4 digits)
? (0.9% of reading
t 4 digits)
30 Hz 50 Hz
10 kHz
Frequency of lnput
Slgnal
Temperature Coefficient. 0 - 15'~ and 30 - 55'~
? 10.05% of reading + 0.2 digits) l0C.
Voltage Burden:
lnput Type: Floating 500 V
max COM to ground.
Response Time: 1.6 seconds on any range to within
3 digits of final value.
lnput Protection: 250 V rms
Ranging: Automatic, or manual
Sensitivity: 10 milliohm on 20 C2 range.
Accuracy: 1 year 15 to
30'~ at 95% Rk:
Range
20
n
--
Specification
2 (0.5% of reading + 10 digits)
200 C2 to 2 Ma
20 M57
20 Ma
( ? (.18% of reading + 0.2 digits) /OC
t (0.2% of reading + 2 digits)
2 (0.8% of reading + 2 digits)
Temperature Coefficient:
0 - 15'~ and 30 - 55OC.
Configuration: 2 wlre.
Range
Open Circuit Voltage:
< 5 V max
Specifications
20
C2 to2Mn ( 2 (0.04% of reading + 0.2 digits) 1°C
Current through unknown:
In accordance
w~th IEEE-488-1975, the 3438A Multin~etel
meets the following Interface Function Specifications.
I
Interface
Function
DT
1
R L2
LLO
SRQ
PPO
DCO
Response Time: 0.8 seconds to within 1 digit of final
value. Add 0.8 seconds for each range change.
Description
Source handshake
Acceptor handshake
Talker (basic talker, talk only mode
unaddress-to-talk if addressed-to-
listen
Listener (basic listener,
unaddress-
to-listen ~f addressed-to-talk)
Open collector Bus driver
Device trigger
Remote!Local
Local lockaut
Servlce Request
Parallel poll
Device clear
Controller
2Mn
500nA
Range
Current
3438A Capability
20Mn
50nA
2052
5mA
200R
5rnA
20kR
50pA
2kn
500pA
200kn
5pA