Desco 19492 Operation And Maintenance

Digital Static Field Meter
Operation and Maintenance
Figure 1. Desco 19492

Description

The Desco Digital Static Field Meter indicates surface
voltage and polarity on objects. The meter can measure
ranges of 0 to ±1.999kV or 0 to ±19.99kV at a distance
of 25mm with an accuracy of ±5% of the displayed
value. The automatic zero button allows adjustment to
zero with no screws or dials to turn. The hold button
allows the user to "freeze" a displayed measurement
for evaluation. A LED range finder helps the operator to
place the meter at the correct distance from the surface
being measured. The meter will automatically turn off
after 20 minutes to conserve battery power (9V). The
Digital Static Field Meter is calibrated with accepted
procedures and standards traceable to the National
Institute of Standards and Technology.
TB-3040.E Page 1 of 5 March 2018
TECHNICAL BULLETIN TB-3040.E
Digital Static Field Meter
DESCO EUROPE - 2A DUNHAMS LANE, LETCHWORTH, HERTFORDSHIRE, SG6 1BE, UK
Phone: +44 (0) 1462 672005 • E-mail: Service@DescoEurope.com, Website:
"All non-essential insulators and items (plastics and
paper), such as coffee cups, food wrappers and
personal items shall be removed from the workstation or
any operation where unprotected ESDS are handled.
The ESD threat associated with process essential
insulators or electrostatic field sources shall be
evaluated to ensure that:
• the electrostatic field at the position where the
ESDS are handled shall not exceed 5 000 V/m;
or
• if the electrostatic potential measured at the surface
of the process required insulator exceeds 2 000 V,
the item shall be kept a minimum of 30 cm from the
ESDS; and
• if the electrostatic potential measured at the surface
of the process required insulator exceeds 125 V,
the item shall be kept a minimum of 2,5 cm from the
ESDS.
If the measured electrostatic field or surface potential
exceeds the stated limits, ionization or other charge
mitigating techniques shall be used." [IEC 61340-5-1
Clause 5.3.4.2 Insulators]
Packaging
1 Digital Static Field Meter
1 9V Alkaline Battery
1 Certificate of Calibration
DescoEurope.com
Made in the
United States of America
© 2018 DESCO INDUSTRIES INC
Employee Owned