ACL 450B Operation Manual Rev. Jan 10, 2022 MKB ACL 450B Ionized Environment Electrostatic Locator OPERATION MANUAL Meter is warranted for one year from the date of purchase on parts and labor. Calibration is recommended every twelve months. Page 1 of 6 15 1.888.610.7664 10 20 0 30 5 25 www.calcert.com sales@calcert.
ACL 450B Operation Manual Rev. Jan 10, 2022 MKB DESCRIPTION The ACL 450B Ionized Environment Electrostatic Locator is a pocket-sized, non-contacting static meter which produces consistently accurate readings and is easy to use. The ACL 450B features: Drift-free accuracy even in ionized environments Range: ±20kV @ 1 inch (25mm) Pulsing-beam range finder for always obtaining the correct 1-inch distance HOLD button to capture transient readings 0.375” (9.
ACL 450B Operation Manual Rev. Jan 10, 2022 MKB OPERATION 1. Power ON: Slide the power switch to the ON position and verify activity on the display. The kV/Inch light will illuminate red when the meter is on, and the pushbutton is in the HOLD position. With power ON, check the display. Battery low is indicated by all four decimal points illuminated. If low battery is indicated, replace the battery before use. 2.
ACL 450B Operation Manual Rev. Jan 10, 2022 MKB 3. Set distance For voltages between 19.99kV to +19.99kV, move the sensor plate of the instrument toward the target surface. When the instrument is the correct distance (1 inch) from the target, the projected range finder appears as a stationary concentric ring. To read voltages of 20 kV, use the distances and multiplying factors given under Range in Specifications. 4.
ACL 450B Operation Manual Rev. Jan 10, 2022 MKB SPECIFICATIONS LCD. 3½-digit numeric display, 0.375” digit height Displays measure voltage in kV when measurement distance is 1 inch -19.99 kV to +19.99 kV at a distance of 1 inch (25mm). Higher voltages may be measured at distances greater than 1 inch ±5% Display Range Accuracy Controls Power ON/OFF slide switch MEASURE/HOLD pushbutton (latching push-ON/push-OFF) ZERO adjustment knob 2.
ACL 450B Operation Manual Rev. Jan 10, 2022 MKB MAINTENANCE Replacing the battery When replacing battery, turn the power switch to the OFF position. Remove the battery before longterm storage. See Specifications for replacement type. If unit fails to operate after replacing the battery, turn power switch to OFF position, remove battery, press and release the MEASURE /HOLD button, then reconnect the battery.
