Crystal 30 Series Digital Pressure Calibrator User Manual
Page 5

Communication
3
30 Series Programming Instruction Manual
Data String Format Table
Prefix (3 bytes)
,
Data
,
Data
,
Data
,
P(S)(R) S = Sensor number R = Range number
,
8 bytes of direct ADC output
,
8 bytes of displayed data
,
8 bytes of internal offset/tare value
*
mA(R)
R = Range number
,
8 bytes of direct ADC output
,
8 bytes of displayed data
n/a 18 bytes of ASCII spaces
*
P(S)T S = Sensor number
,
8 bytes of direct ADC output of sensor
temperature signal
n/a 18 bytes of ASCII spaces
*
Amb
,
8 bytes of direct ADC output of sensor
temperature signal
n/a 18 bytes of ASCII spaces
*
BxC
x = Z for zero -or- x = S for span
C = ADC channel number
n/a
27 bytes of ASCII spaces.
This is a background calibration of the
analog to digital converter - no data.
*
,
= Delimiter
n/a = no delimiter is present for marked location in that string
*
= Terminator:
>
or
<
or
?
> = good battery
< = low battery
? = expired battery (readings are not valid)
Model Ranges
The standard Model 33 range serial numbers
2262
*
-xxxxxx are:
LP Sensor
HP Sensor
(Eight Ranges)
(Three Ranges)
(Five Ranges)
P11= inH
2
O
P21= bar
P21= kg/cm
2
P12= mbar
P22= kPa
P22= bar
P13= kg/cm
2
P23= PSI
P23= Mpa
P14= mmHg
P24= kPa
P15=mmH
2
O
P25= PSI
P16= kPa
P17= inHg
P18= PSI