Trek 320C 高精度静電電壓表
0 to ±100 V DC or peak AC
• Sensitivity: 1 mV
• Speed of Response:
Less than 300 ms for a 100 V step
• Measurement Accuracy:
Better than 0.05% of full scale
• Null Voltage Source:
10 volt nulling supply for contact potential measurements
• Response Speed Control:
AC response adjusted for speed/noise
• Drift Spacing/Null
Minimizes variations in voltage values as probe to test surface spacing changes
• Available Monitor Outputs:
1:1 of Voltage Monitor Output 10:1 or 20:1 (switch selectable)
The Model 320C has adjustments to compensate for many sensitive testing conditions. A calibrated Null Voltage supply of ±10 volts nulls contact potentials when measuring voltages on dissimilar materials. The Null Voltage source may be used to null different work function voltages of the test surface or to function as a zero suppression voltage source. The response Speed Control adjusts the speed/noise tradeoff of the Model 320C AC response. The self locking Drift/Spacing Null Adjustment minimizes the variation in monitored voltage values as the probe to test surface spacing changes.
Factory set for one of two ranges: 90 to 127 V AC or 180 to 250 V AC, at 48 to 63 Hz.
(Specify when ordering.)
Operating Conditions Temperature
0°C to 40°C.
To 90%, noncondensing.
108 mm H x 223 mm W x 370 mm D
(4.25" H x 8.75" W x 14.5" D).
3.6 kg (8 lb).
Voltage Monitor Connector
BNC coaxial connector.
AC Line Cord Receptacle
Standard three-prong line cord receptacle with integral fuse holder.