Desco 19442 TB-3090 Digital Static Field Meter

Electrostatic Field Meter, measures static charge and polarity on objects up to ±19.99 kV at a distance of 1″

Chopper-Stabilized Sensor, yields accurate measurements in both normal and ionized environments

Dissipative Enclosure with 7 mm Ground Snap, grounds the meter when held by a grounded operator or bonded to ground using the included ground cord

Rotary Zero Knob, sets the zero-reference point with finely tuned precision

LED Range Indicator, assists with placing the meter at the correct distance from the object being measured

Hold Button, allows the measurements to be retained for easy reading and extends battery life

19440 Ionization Test Upgrade Kit, provides the accessories needed to test the balance (offset voltage) and discharge times of air ionizers

19441 Aluminum Conductive Plate Accessory, allows the operator to measure the balance (offset voltage) of air ionizers

NIST Calibrated with Certificate Included, calibrated with accepted procedures and standards traceable to the National Institute of Standards and Technology. For more information on the calibration of Desco products, see Calibration.

Made in the United States of America.

Specifications

Performance Measurement Range: 0 to ±19.99 kV / inch

Performance Measurement Accuracy: Better than ±5% of reading, ±2 counts

Performance Measurement Stability: ±10 counts

Ranging System: LED distance indicator; aligned targets indicate 1″

Range: LED distance indicator

Rotary Zero Knob: Sets the zero-reference point

Low Battery Indicator: An LCD icon indicates when the battery is low

Hold Switch: Retains the LCD display reading when depressed

Front Panel Meter Voltage Display: 3-1/2 digit LED display

Sampling Rate: 3 readings per second

Dimensions: 0.9″ H x 2.8″ W x 4.9″L (24 mm x 70 mm x 126 mm)

Weight: 4.9 oz. (140 g) with battery

Operating Temperature: 50 to 86°F (10 to 30°C)

Relative Humidity: To 80%, non-condensing

Altitude: To 2000 m

Certifications: CE

Power Requirements: One (1) 9-volt alkaline battery

Operating Time: Greater than 50 hours, with a new battery at 21°C continuous

Product Overview