Hach 2100Qis, User Manual

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Option Description
Cal.Curve Select one of the calibration curves for calibration:
StablCal
®
RapidCal
™
(0–40 NTU)
StablCal
®
(0–1000 NTU)
Formazin RapidCal
™
(0–40 NTU)
Formazin (0–1000 NTU)
Degrees (0–100 mg/L)
SDVB (0–1000 NTU)
Custom (0–1000 NTU)
Cal Reminder
Repeat The meter will make an audible sound when calibration is
due. Select one of the following options for time interval
and push OK: Off, 1 d, 7 d, 30 d, 60 d, 90 d
Restore Factory
Calibration All user calibrations will be deleted. The original factory
calibration is restored.
Calibration standard overview
Refer to Table 1 for the calibration standard overview.
Table 1 Calibration overview
Type of calibration Required standards
StablCal ® RapidCal ™
(0–40 NTU)
– 20 NTU – –
StablCal
®
(0–1000 NTU)
– 20 NTU 100 NTU 800 NTU
Formazin RapidCal
™
(0–40 NTU)
Typically deionized or
distilled water
1
20 NTU – –
Formazin
(0–1000 NTU) Typically deionized or
distilled water
1
20 NTU 100 NTU 800 NTU
Degrees (0–100 mg/L) Typically deionized or
distilled water
1
20 NTU 100 NTU –
Table 1 Calibration overview (continued)
Type of calibration Required standards
SDVB (0–1000 NTU) Typically deionized or
distilled water
1
20 NTU 100 NTU 800 NTU
Custom (0–1000 NTU) Typically deionized or
distilled water
1
Select values
1
The water must have a turbidity <0.5 NTU to prepare the calibration standards.
14 English