• Trek 320C 高精度静電電壓表

Trek 320C 高精度静電電壓表

• Measurement Range:
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
Adjustment:
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)
型號 : Trek 320C

The Trek Model 320C Electrostatic Voltmeter is a versatile instrument which is used for a variety of electrostatic applications including contact potential measurements, materials evaluation, and electret studies. The Model 320C makes highly accurate, noncontacting measurement of electrostatic potentials of 1 mV to 100 V over a wide range of probe-to-surface distances. The Model 320C is specifically designed for high sensitivity applications.

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.

Line Supply
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.

Relative Humidity
To 90%, noncondensing.

Dimensions
108 mm H x 223 mm W x 370 mm D
(4.25" H x 8.75" W x 14.5" D).

Weight
3.6 kg (8 lb).

Voltage Monitor Connector
BNC coaxial connector.

Ground Receptacle
Banana jack.

AC Line Cord Receptacle
Standard three-prong line cord receptacle with integral fuse holder.

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