Apera Instruments EC400 User Manual

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9 APPENDIX 1: TABLE OF PARAMETER SETTING AND FACTORY DEFAULT
SETTING
Mode
Symbo
l
Parameter
Abbreviation
Content
Factory
Default
P1.0
pH
P1.1
Select Buffer Series
USA－NIST
－
P1.2
Restore to factory default
settings
No－Yes
No
P2.0
Conductivity
P2.1
Select electrode’s constant
1.0－10.0－0.1
1.0
P2.2
Select reference temperature
15°C – 30°C
25°C
P2.3
Adjust temperature
compensation coefficient
0.00 - 9.99
2.00
P2.4
Adjust TDS factor
0.40 - 1.00
0.71
P2.5
Restore to factory default
setting
No－Yes
No
P4.1
Select temperature unit
/
°C - °F
－
P4.2
Select lasting time for
backlight
1－2－3－On
－
P4.3
Select time for auto power-off
10－20－30－On
－
P4.4
Set up auto-lock reading
mode
/
Off—On
－
10 APPENDIX 2: TABLE OF SELF-DIAGNOSIS
Symbol
Self-Diagnosis Information
pH
Conductivity
Wrong conductivity calibration solution or the meter
recognition of calibration solution out of range.
√
√
Press key when measuring value is not stable during
calibration.
√
√
During calibration, the measuring value is not stable for ≥
3 min.
√
√
pH electrode zero electric potential out of range
(<-60mV or >60mV)
√
pH electrode slope out of range (<85% or >110%)
√

Apera Instruments EC400 Specifications

General

Brand	Apera Instruments
Model	EC400
Category	Measuring Instruments
Language	English