Honeywell UDA2182 manual Calibration functions, Standard pH Buffer Values

Input Calibration

Calibration functions

Calibrating the pH Offset (Standardization) –. In auto buffer recognition calibration, you can select one of the other buffer pH values directly above or below the recognized buffer value in the current buffer group. (See Table 8-1.)

Calibrating the Slope - In auto buffer recognition calibration, you can select one of the other buffer pH values directly above or below the recognized buffer value in the current buffer group. (See Table 8-1.)

Table 8-1 Standard pH Buffer Values

Temperature °C		0	5	10	15	20	25	30	35	40	45	50
Group	Buffer
NIST/USP	1.68	1.67	1.67	1.67	1.67	1.68	1.68	1.68	1.69	1.69	1.70	1.71
	4.01	4.01	4.00	4.00	4.00	4.00	4.01	4.01	4.02	4.03	4.04	4.06
	6.86	6.98	6.95	6.92	6.90	6.88	6.86	6.85	6.84	6.84	6.83	6.83
	9.18	9.46	9.40	9.33	9.28	9.23	9.18	9.14	9.10	9.07	9.04	9.01
	12.45	13.42	13.21	13.01	12.80	12.64	12.45	12.30	12.13	11.99	11.84	11.71
USA	2.00	2.01	2.01	2.01	2.00	2.00	2.00	2.00	2.00	2.00	2.00	2.00
	4.00	4.01	3.99	4.00	3.99	4.00	4.00	4.01	4.02	4.03	4.04	4.06
	7.00	7.13	7.10	7.07	7.05	7.02	7.00	6.99	6.98	6.97	6.97	6.97
	10.00	10.34	10.26	10.19	10.12	10.06	10.00	9.94	9.90	9.85	9.82	9.78
	12.00	12.60	12.44	12.28	12.14	12.00	11.88	11.79	11.66	11.53	11.43	11.32
Europe	1.00	0.98	0.98	0.99	0.99	1.00	1.00	1.01	1.01	1.01	1.01	1.02
	3.00	3.02	3.02	3.02	3.02	3.00	3.00	2.99	2.99	2.98	2.98	2.97
	6.00	6.03	6.02	6.01	6.00	6.00	6.00	6.00	6.01	6.02	6.04	6.05
	8.00	8.15	8.11	8.07	8.03	8.00	7.97	7.94	7.91	7.88	7.87	7.86
	10.00	10.22	10.17	10.12	10.05	10.00	9.95	9.90	9.86	9.82	9.78	9.74
	13.00	13.81	13.60	13.39	13.19	13.00	12.83	12.68	12.53	12.38	12.25	12.11

142 UDA2182 Universal Dual Analyzer Product Manual January 2009