Stanford Research Systems SR844 User Manual page 165

6. DC Outputs and Inputs (continued)
Output Voltage
AUX OUT 1 -10.000 V
-5.000 V
0.000 V
+5.000 V
+10.000 V
Output Voltage
AUX OUT 2 -10.000 V
-5.000 V
0.000 V
+5.000 V
+10.000 V
Input Voltage
AUX IN 1 -10.000 V
-5.000 V
0.000 V
+5.000 V
+10.000 V
Input Voltage
AUX IN 2 -10.000 V
-5.000 V
0.000 V
+5.000 V
+10.000 V
7. Input Noise
Frequency Sensitivity
1.000 MHz 300 nV
Lower Limit DVM Reading (V)
-10.010 V
-5.010 V
-0.005 V
+4.990 V
+9.990 V
Lower Limit DVM Reading (V)
-10.010 V
-5.010 V
-0.005 V
+4.990 V
+9.990 V
Lower Limit CH1 Reading (V)
-10.200 V
-5.200 V
-0.200 V
+4.800 V
+9.800 V
Lower Limit CH2 Reading (V)
-10.200 V
-5.200 V
-0.200 V
+4.800 V
+9.800 V
CH1 Reading (nV)
SR844 Test Record 5-21
Upper Limit
-9.990 V
-4.990 V
0.005 V
+5.010 V
+10.010 V
Upper Limit
-9.990 V
-4.990 V
0.005 V
+5.010 V
+10.010 V
Upper Limit
-9.800 V
-4.800 V
0.200 V
+5.200 V
+10.200 V
Upper Limit
-9.800 V
-4.800 V
0.200 V
+5.200 V
+10.200 V
Upper Limit
2.5 nV
SR844 RF Lock-In Amplifier