Lake Shore Model 218 Temperature Monitor User’s Manual
Service
7-15
GCAL?
Returns the Gain Calibration Constant for the Selected Input
Input:
GCAL? <input>, <type>
Returned:
Value of gain calibration constant for the selected input.
Remarks:
See GCAL command for description of returned data.
<input> Specifies which input to query gain calibration constant for.
Valid entries are 1
–
8.
<type>
Specifies the input groups sensor type. Valid entries are:
0
= 2.5V Diode
2
= 250
Ω
Platinum
4
= 5k
Ω
Platinum
1
= 7.5V Diode
3
= 500
Ω
Platinum
5
= Cernox
RAWAD?
Querys Raw A/D Value for the Selected Input
Input:
RAWAD? <input>
Returned:
Raw A/D value
Format: n.nnnnnn[term]
Remarks:
Returns 7 digit value of selected input reading. Used for ZCAL and GCAL functions.
<input> Specifies which input to query. Valid entries are 1
–
8.
CALCLEAR
Returns All Calibration Constants to Their Default Value
Input:
CALCLEAR
Returned:
Nothing
Remarks:
Returns all A/D Linearity, ZCAL, and GCAL calibration constants to their default value.
CALSAVE
Saves all Calibration Constants
Input:
CALSAVE
Returned:
Nothing
Remarks:
Saves all A/D Linearity, ZCAL, and GCAL calibration constants.