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7+Series Version 2.0
Submenu of pH parameter setting (pH7+DHS, PC+DHS)
Select pH standard solution (USA-NIST-CUS)
In P1.0 mode, press to enter in P1.1, refer to the left Diagram.
When press key, USA blinks, press directional keys to select blinking
NIST→CUS. When parameter blinks, press to confirm ( USA series: 1,68 pH,
4.00 pH, 7.00 pH, 10.01 pH, NIST series: 1,68 pH, 4.01 pH, 6.86 pH, 9.18 pH, CUS
– customer-defined).
After confirm parameter, press key to return to the measurement mode.
Select resolution (0.01 – 0.1)
Press key, 0.01 blinks, press directional keys, 0.1 blinks, when
parameter blinks, press key to confirm.
After confirm parameter, press to return to the measurement mode.
Restore factory setting (No – Yes)
1. Press key, No blinks, press directional keys, Yes blinks, press
key to confirm, the meter returns to the measurement mode.
No – Do not restore Yes – Restore to factory setting.
2. Press key to return to the measurement mode.
Set reading stability criteria (Normal – High – Low)
Press key, nor blinks. Press directional keys, Hi and then Lo blinks. When
parameter blinks, press to confirm.
Nor – Normal, Hi – High, Lo – Low.
Press key to return to the measurement mode.
Temperature Calibration ( Calibration range ±5℃)
1. Press key, the temperature value blinks, press directional keys to adjust
the temperature value, press key to confirm.
2. When parameter is confirmed, press key to return to the measurement
mode.
Note: When make calibration, insert the temperature probe in the standard
temperature source (eg. thermostatic bath) and calibrate until the display value
is stable. The calibration range is ±5℃. When set up “Yes” in P1.5, the
temperature value restores to factory setting.
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