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12
Commissioning
Inserting the Batteries
With four AA batteries, the Portavo has an
operating time of over 1000 h.
Open the battery compartment on the
rear of the device. Be sure to observe the
correct polarity when inserting the batter-
ies (see markings in the battery chamber).
Close the battery compartment cover and
fasten it finger tight.
Check the shipment for transport damage and completeness (see Package
Contents).
CAUTION!
Do not operate the device when one of the following conditions applies:
• the device shows visible damage
• failure to perform the intended function
• prolonged storage at temperatures above 70 °C / 158 °F
• after severe transport stresses
In this case, a professional routine test must be performed.
This test should be carried out at our factory.
A special lithium-ion battery (ZU 0925) suited to the battery compartment is
available for the Portavo 904. Only this battery type can be charged directly from
the USB port.
Note:
Not available for the Portavo 904X (device variant for applications in
hazardous locations).
Note on Use in Hazardous Locations
WARNING! Impairment of explosion protection.
Only open the battery compartment of the Portavo 904X outside the hazardous
location.
• The device cannot be repaired by users. For inquiries regarding repairs, please
contact Knick Elektronische Messgeräte GmbH & Co. KG at www.knick.de.
• Never use the USB port within the hazardous location.
Содержание PORTAVO 904X PH
Страница 1: ...www knick de Read before installation Keep for future use Portavo 904 X PH Portable Meter User Manual ...
Страница 2: ......
Страница 50: ...50 pH Buffer Tables 01 Mettler Toledo Nominal values in bold C pH ...
Страница 51: ...51 pH 02 Knick CaliMat Nominal values in bold C pH Buffer Tables ...
Страница 52: ...52 pH 03 Ciba 94 Nominal values 2 06 4 00 7 00 10 00 C pH 1 extrapolated Buffer Tables ...
Страница 53: ...53 pH 04 Technical Buffers to NIST Nominal values in bold C pH 1 values added Buffer Tables ...
Страница 55: ...55 pH 06 HACH Nominal values 4 01 7 00 10 01 0 02 at 25 C C pH Buffer Tables ...
Страница 56: ...56 pH 07 WTW Technical Buffers Nominal values in bold C pH Buffer Tables ...
Страница 57: ...57 pH 08 Hamilton Nominal values in bold C pH Buffer Tables ...
Страница 58: ...58 pH Buffer Tables 09 Reagecon Nominal values in bold C pH 1 values added ...
Страница 59: ...59 pH Buffer Tables 10 DIN 19267 Nominal values in bold C pH 1 extrapolated ...
Страница 66: ...66 V Value added features 8 Viewing recorded data 32 Viewing the logger data 32 Index ...
Страница 67: ......