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Jumper definition and connection
Jumper J2: Choice between normal working status and automatic flow calibration
status Factory
III.
Functions and operating instructions
Figure 1
Buttons’ operation, LCD display to indicate their location (see Figure 1)
1. Normal work status and operations
A. Buttons’ operation
To press “ DISPLAY “ shortly can shift current
cumulative
TTL1 and total
cumulative
TTL2, When TTL1 displayed, hold down the “DISPLAY button” about 2
seconds, cumulative flowrate of TTL1 can be cleared “0”, while TTL2 can not.
To press “ CALIBRATE “ can shift the unit LTR and GAL, and the corresponding
characters will be showed on the LCD display
To press “DISPLAY” and “CALIBRATE” at the same time about 2 seconds will enter the
user manual flow coefficient (k) calibration status.
B. LCD Description:
TTL1: current flow can be cumulative in which can be cleared zero;
TTL2: current flow displayed is total cumulative in which can not be cleared zero, to
clear TTL2 flow for zero, take the batteries from the body and install again.
LTR: flow unit
GAL: flow unit (U.S. GAL)
Figure: five field characters, used to display the flow value of calibration coefficient (k)
value and the error symbols
Tel:86-21-57632436 Fax:86-21-57634942
Shanghai Cixi instrument Co., ltd
www. gnflowmeter.com
