Honeywell UDA2182 manual Press Enter when stable

			Input Calibration
Step	Action		Screen
6	Once the reading is stable	“Change to Buffer 1 value”
	Press Enter	Use	to change the value to
		match the actual pH of the
		Buffer 1 solution at its current
		temperature.
		“Enter to save, Exit to cancel”

7Rinse the electrode thoroughly with distilled or de-ionized water.

8	Percent Theoretical Slope	“Place probe in Buffer 2”
	Adjustment	The display will show the pH of
	Press Enter	the buffer 2 solution as
		measured by the electrode
	Follow the prompts at the top	system.
		“Press Enter when stable”
	and bottom of the screen.
9	Once the reading is stable	“Change to Buffer 2 value”
	Press Enter	Use	to change the value to
		match the actual pH of the Buffer
		2 solution at its current
		temperature.
		“Enter to save, Exit to cancel”
10	If the calibration fails, an error	Error Messages:
	message will be displayed	Buffer span too low
	across the bottom stripe of the
	screen.	Slope (Percent Theoretical
	Make necessary adjustments	Slope) underrange
	and re-calibrate	Slope(Percent Theoretical
		Slope) overrange
		Solution Unstable
		See Table 12-2 for definitions

January 2009 UDA2182 Universal Dual Analyzer Product Manual 147