Agilent Technologies manual U1251A ± 20 mV ± 17.5 mV 500 ± 200 mV 1000 ± 800 mV

7 Performance Tests and Calibration

Step		Test Function	Range	5520A Output	Error from nominal 1 year
					U1251A	U1252A
4	Turn the rotary switch to		5 V	5 V	± 2 mV	± 1.75 mV
	V position (for model U1252A), to
		V position (for model
	U1251A)
			50 V	50 V	± 20 mV	± 17.5 mV
			500 V	500 V	± 200 mV	± 200 mV
			1000 V	1000 V	± 800 mV	± 800 mV
5	Press	button to go to the	5 V	5 V,1 kHz	N/A	± 22.5 mV
		V mode [1]		5 V, 10 kHz	N/A	± 22.5 mV
				5 V, 20 kHz	N/A	± 41.5 mV
				4.5 V, 100 kHz	N/A	± 169.5 mV
			50 V	50 V, 1 kHz	N/A	± 225 mV
				50 V, 10 kHz	N/A	± 225 mV
				50 V, 20 kHz	N/A	± 415 mV
				45 V, 100 kHz	N/A	± 1.695 V
			500 V	500 V, 1 kHz	N/A	± 2.25 V
				500 V, 10 kHz	N/A	± 2.25 V
			1000 V	1000 V, 1 kHz	N/A	± 8.0 V

122 Agilent U1251A/U1252A User’s and Service Guide