MasterCool 98063-BT Instruction Manual Download Page 1

1

www.mastercool.com

98063-BT DIGITAL VACUUM GAUGE with Bluetooth

®

 Wireless Technology

INSTRUCTION MANUAL

ENTER

ALARM

UNITS

Micron

Torr

mTorr

mmHg

mBar

Pa

FEATURES:

•  Sintered bronze inlet filter to protect the sensor
•  5-digit LCD screen features an ultra-vibrant blue back-light allowing for easy readability
•  Chemical resistant sensor for ease of cleaning
•  Low battery icon displayed on the LCD indicates that the batteries are low and need to be 

replaced

•  Calibration can be performed while in the field environment
•  Audio and visual alarm when vacuum goes below a user adjustable set point
•  Bluetooth

®

 wireless technology provides communication to hand-held smart devices through 

the Mastercool Connect app

SPECIFICATIONS:

•  Sensor: Glass bead thermistor with temperature compensation
•  Connection Fitting: 1/4 SAE F-FL with stem depressor
•  Operating Temperature: 32 to 120˚F  (0 to 45˚C)
•  Vacuum Units: Micron, Torr, mTorr, mmHg, mBar, Pa
•  Range: 20,000 to 1 micron
•  Accuracy: ±10% of reading (from 10,000 to 100 microns)
•  Proof Pressure: 450 psi
•  Auto-Off: Automatic after 10 minutes, blue backlight after 3 minutes
•  Power: 2 AA batteries included
•  Battery Life: 100+ continuous hours (depending on backlight use)
•  Weight: 0.3 lb (0.13 kg) without batteries / 0.5 lb (0.23 kg) with batteries
•  Dimensions: 1.9” x 6.3” x 1.4” (50 mm x 160 mm x 36 mm)

Specifications for Bluetooth

®

 wireless technology:

•  260’ (80m) maximum line-of-sight range
•  Bluetooth

®

 4.2 and 5

WARNINGS

Wear Safety Glasses. Wear Gloves
Keep in a dry place. Do not allow moisture to enter the unit.

 

WARNING:

 This product can expose you to chemicals including lead and lead compounds, 

which are known to the State of California to cause cancer and birth defects or other 
reproductive harm. For more information go to www.P65Warnings.ca.gov.

REPLACEABLE PARTS

42010 

Replacement gasket for 1/4” fitting   

42014 

Replacement depressor for 1/4” fitting   

 

99333 

1/4 FL-M x 1/4 FL-M x 1/4 FL-F tee (optional) 

BATTERY INSTALLATION

Slide to remove the battery compartment cover. Make sure to place the batteries into the 
compartment with the correct polarity. Replace battery cover.

BASIC SET-UP

•  POWER

 

Press the   button to turn the unit on. The vacuum gauge’s display will count down during 
warm-up, then the vacuum will be displayed. Above 20,000 microns, dashes will be displayed.

•  UNITS

 

Press the UNITS button once to enter unit mode. Use the UNITS button to scroll through the 
units until desired selection is displayed. To save the selected unit and return to sensing 
vacuum, press the ENTER button.

•  VACUUM LEVEL ALARM

 

The alarm indicates when the vacuum has dropped below a set value. Press ALARM once to 
display the current setting. Use the 

 and 

 arrows to adjust the alarm setting. Press ENTER 

to save the new setting. To acknowledge the alarm and silence it, press any button. To keep 
the alarm from engaging, set the alarm to 0.

•  BACKLIGHT

 

The backlight will turn on when the unit turns on. The backlight will automatically turn off 
after 3 minutes. To turn the backlight back on, press any key.

•  AUTO OFF

 

The vacuum gauge will turn off after 10 minutes at atmospheric pressure. The vacuum gauge 
will not turn off at deep vacuum or if Bluetooth

®

 is connected.

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