dv-22N DIGITAL VACUUM GAUGE OPERATING MANUAL
SPECIFICATIONS Vacuum Reading Range 100,000 to 10 microns Working Temperature +32°F to 120°F (+0°C to 48.9°C) Power Supply Three AA batteries Dimensions DV-22N: 9" length x 3.25" width x 1.5" depth DV-24N: 10" length x 8.25" width x 2.75" depth Shipping Weight DV-22N: .86 lbs (.39 kg) DV-24N: 1.6 lbs (.
OPERATING INSTRUCTIONS Power Settings To power on, press and hold the POWER button for two seconds. To power off, press and hold the POWER button for three seconds. Note: Power save feature will automatically power off the gauge after 30 minutes to conserve battery life. Main Menu Settings To access the main menu user settings, press and hold ENTER button for three seconds. Alarm Settings To enable the Low Limit Alarm, press and hold the ENTER button for three seconds to access the main menu.
Battery Status Indicator When the startup sequence is complete, the BATTERY STATUS INDICATOR will show current battery life status. While the unit is on, the status is updated once every second. Battery voltage status is as follows: 3.5v or above 3.0 ~ 3.5v 2.7 ~ 3.0v 2.4 ~ 2.7v 2.1 ~ 2.4v When the battery voltage drops below 2.4 volts, the battery outline will flash and the unit will beep once per minute to alert the low battery condition. When battery voltage falls below 2.
MENU SETTINGS Accessing Main Menu and Sub Menu Settings 1. Press and hold ENTER button for three seconds to access main menu settings. 2. Press ENTER button to cycle through all main menu options. Available main menu options: • “UNIT” • “LO--AL” • “B-LITE” • “BEEP” • “HI RES” • “AU-OFF” 3. T o select a main menu option, press and hold the ENTER button for three seconds. You are now in the sub menu of your selection. Press the ENTER button to cycle through the sub menu options. 4.
Low Alarm Setting (LO--AL) The Low Alarm setting determines the pressure level for which an alarm will be sounded. Available alarm settings: OFF, 50, 100, 250, 500, 1000, 1250, 1500, 2000 microns. Factory default setting is “500” microns. The available alarm setting values will be displayed in the current unit selection setting.
Display Resolution (HI RES) The Display Resolution menu determines whether pressure will be shown at high resolution. High resolution means that pressure is shown as-is, in one unit increments. When the setting is OFF, the reading display is rounded. Available settings are: ON, OFF. Factory default setting is “OFF”. From the HI RES sub menu: 1. Press the ENTER button to scroll through available options. 2.
PARTS LIST PART NO. DESCRIPTION DV-22N Digital vacuum gauge DV-24N DV-22N with carrying case DV-27N Carrying case for DV-22N (models after July 2017) RETURN FOR REPAIR Every effort has been made to provide reliable, superior quality products. However, in the event your instrument requires repair, please contact JB Customer Service Department to obtain a Return Goods Authorization (RGA) number. Ensure that all returned products are packed to avoid any damage in shipment.
