4 RS-232C communications
4.4 Data request commands and responses
114
HORIBA
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pH calibration history request command and response
Request command format
pH meter response format
Header
Channel number (1 or 2)
Command code
Channel number (1 or 2)
Header
Channel number 1-digit, 1: CH1, 2: CH2
Calibration points 1-digit, 0 - 3
Calibration result 0: good; 1: check; 2: error; 3: uncalibrated
Temperature setting 1-digit, 0: ATC, 1: MTC
Asymmetric potential (5-digit value including decimal
point and sign)
Slope (sensitivity), potential (5 digits including
decimal point and sign)
*Potential is output for 1-point and 2-point cali-
bration data.
Year, 4-digit (A.D.)
Month, 2-digit, 01 - 12
Day, 2-digit, 01 - 30
Hours, 2-digit, 00 -23
Minutes, 2-digit, 00 - 59
Seconds, 2-digit, 00 - 59
Calibration solution value
(6-digit value including decimal point and sign)
Temperature
(5-digit value including decimal point and sign)
Potential
(5-digit value including sign)
Repeatability
(5-digit value includ-
ing decimal point and sign)
First calibration data
Second calibration data
Third calibration data
Third calibration data
Data for check before
use
Summary of Contents for D-25
Page 2: ......
Page 11: ...CONTENTS VIII HORIBA ...
Page 31: ...1 Overview of the Meter 1 9 Using the protective cap D 53 54 55 20 HORIBA ...
Page 75: ...2 Taking Measurements 2 9 Dissolved oxygen DO measurement D 55 64 HORIBA ...
Page 139: ...4 RS 232C communications 4 5 Communication example using the HyperTerminal 128 HORIBA ...