Electrostatic Voltmeters 244A 244AK 244AL 279 279L

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	244A \| 244AK \| 244AL \| 279 \| 279L

		244A ISOPROBE® Electrostatic Voltmeter The Model 244A ISOPROBE® Electrostatic Voltmeter measures surface potential in the range of ±3000 volts without contacting the measured surface. It features high-accuracy (0.1%), drift-free measurements that are almost fully independent of probe-to-surface separation. It enjoys a proven record and long, successful history in both laboratory and manufacturing environments. Side- and end-viewing probes accommodate various mounting requirements. Specialty high-resolution probes allow the 244A to resolve spot diameters as small as 1 mm. Probes include air purge capability to prevent ingress of particulate. • Electrophotographic measurements • Radiation effect studies • Electret research • Electric field studies • Process monitoring and control • Integrated circuit manufacturing and handling Data Sheet PDF Probes and Accessories To Top of Page
		244AK ISOPROBE® Electrostatic Voltmeter with 200:1 Output Data Sheet PDF Prodes and Accessories To Top of Page
		244AL ISOPROBE® Electrostatic Millivolt Meter Model 244AL is a Model 244A ISOPROBE® Electrostatic Voltmeter with its measurement range reduced to make precision high-speed, low-noise electrostatic measurements in the range of ±15 volts. This range reduction enables the instrument to resolve 10 mV on the surface. Front panel zero and balance controls elminate zero shift with spacing changes. • Contact potential measurements • Electrophotographic measurements • Radiation effect studies • Electret research • Bioelectric potential studies • Disk drive media research Data Sheet PDF Probes and Accessories To Top of Page

		279 ISOPROBE® Electrostatic Voltmeter The Model 279 ISOPROBE® Electrostatic Voltmeter measures surface potential in the range of ±3000 volts without contacting the measured surface It features high-accuracy (0.1%), drift-free measurements that are almost fully independent of probe-to-surface separation. Its low-profile design is optimized for rack mounting of multiple 279's in a minimum space. Side- and end-viewing probes accommodate various mounting requirements. Specialty high-resolution probes allow the 244A to resolve spot diameters as small as 1 mm. Probes include air purge capability to prevent ingress of particulate. • Electrophotographic measurements • Radiation effect studies • Electret research • Electric field studies • Process monitoring and control • Integrated circuit manufacturing and handling Data Sheet PDF Probes and Accessories To Top of Page

		279L ISOPROBE® Electrostatic Voltmeter This instrument is a Model 279 ISOPROBE® Electrostatic Voltmeter with its measurement range reduced to ±300 volts. This change improves the voltage resolution and noise performance for measurements below ±300 volts, and optimizes arc safety for sensitive measurements. • Radiation effect studies • Contact potential measurements • Bioelectric field studies • Disk drive media research Data Sheet PDF Probes and Accessories To Top of Page


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