TREK Hand-Held Non Contacting Electrostatic Voltmeter MODEL 520 Series

รายละเอียด

Measurement Range
- - Accurately measures surface voltage at a wide range of spacings
  - No need to maintain a fixed spacing
  - Chopper stabilized for drift-free operation in ionized environments
  - NIST-traceable Certificate of Calibration provided with each unit
Measurement Accuracy : Better than ±5% of full scale over the recommended probe-to-surface spacing
Recommended spacing : Model 520 : M 5 mm to 25 mm. Model 523 : M 30 mm to 60 mm
Accurately measures surface voltage at a wide range of spacings
No need to maintain a fixed spacing
Chopper stabilized for drift-free operation in ionized environments
NIST-traceable Certificate of Calibration provided with each unit