8508A
Users Manual
Using Platinum Resistance Thermometers to obtain Temperature.
The following commands are used to select the
PRT function and set its configuration.
,
PRT
phs identity
DEG_K
DEG_C
DEG_F
RESL5
RESL6
RESL7
RESL8
adj356f.eps
Platinum Resistance Thermometers
Identity
This is a string value and thus must be enclosed in double quotes and must be identical in
all respects with the identity of an already entered PRT. This command will set the
selected PRT as the active measurement probe.
DEG_K / DEG_C / DEG_F
This selects the format for presentation of the temperature.
RESL5 / RESL6 / RESL7 / RESL8
Sets the resolution of the measurement and the temperature display to 5.5, 6.5, 7.5 or 8.5
digits.
Execution Errors
If the identity does not match one of the stored PRT identities the error 1026 is generated.
Power On and Reset Conditions
The active probe identity if available, DEG_C, RESL6
Determine the PRT identity.
PRT?
adj353f.eps
PRT Identity
Response:
(string) Active Probe, (string) next inactive probe
There is always the one identity returned as a string, but the second identity is obtained
from an incremental search of the available identities. If no other identities exist then the
second string with the separating comma is not appended.
This command can be used to increment through the list of PRT’s stored. The user should
check for a second appearance of the inactive identity to determine when all possible
identities have been viewed.
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