
Vacuum Gauge 605
TestProducts International, Inc.
The Value Leader
Visit www.testproductsintl.com

A. INTRODUCTION
1. Congratulations: Thank you for purchasing TPI products. The 605 is
easy to use and built to last. Please remember to complete and return
your product warranty registration card.
2. Product Description: The 605 vacuum gauge measures vacuum in
Micorns for accurate evacuation of refrigeration systems. Please follow
manufactures recommendations on all HVAC equipment.
B. SAFETY CONSIDERATIONS
1. Wear safety gogles.
2. Make sure system is at atmospheric pressure before attaching vacuum
gauge.
3. Check all connections making sure they are secure with no leaks.
4. Observe all mnufacturers recommendations.
C. General Specifications
Sensor Type Thermistor
Connector Type Standard 1/4” Male Flare Fitting
Range 12,000 - 0 Microns
Units of Measure Microns, PSI, InHg, mBar, Pascals
Torr, mTorr
Over Pressure 500 PSI
Operating Temperature 32° to 120°F (0° to 150°C)
Power Supply 9 Volt Alkaline
D. Accuracy
Measurement Range Resolution Accuracy
0 - 50 1 Micron
Microns 151 - 400 5 Microns
401 - 500 10 Microns +/- 10% of reading,
501 - 1000 20 Microns + 10 digits
1001 - 2000 50 Microns
2001 - 12000 500 Microns

E. MEASUREMENT TECHNIQUES
1. Attach the 605 to the system to be evacuated.
2. Select the desired unit of measure.
3. Start the vacuum pump and proceed to evacuate the system.
Please note: The 605 will not start to display a reading until 12,000 microns
(-29.4 inHg) is reached.
F. ACCESSORIES
Item # Description
A009A ....................................9 Volt Alkaline Battery
A100 ......................................Soft Carrying Pouch
Microns InHg below ATM
12000 29.47
10000 29.53
8000 29.69
4000 29.76
2000 29.84
1000 29.88
500 29.90
300 29.91
200 29.91
150 29.92
100 29.92
50 29.92
0 29.92

G. MAINTENANCE
1. Clean the surface of the instrument and optical lens with a damp cloth.
2. Replace the 9 Volt battery when the low battery indicator appears on
the LCD.
H. TROUBLE SHOOTING
Symptom Probable Cause
Display reads “-------” • Vacuum out of range
• Low battery.
• Clogged inlet.
605 does not turn on. • Dead or low battery.
• Defective POWER ON switch.
• Broken battery connector.
I. WARRANTY
This product is warranted to the purchaser against defects in material and workmanship for three years from
the date of purchase.
Covered by Warranty: Repair parts and labor; or replacement of the product at company’s option. Normal
transportation charges to the purchaser are also covered.
Not Covered by Warranty: Damages to the product which are the result of abuse, improper use or maintenance are not covered. Any other expense, consequential damages, incidental damages, or incidental expenses including damages to property are not covered. Transportation expenses to the company are not covered.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations or exclusions may not apply to you.
To Obtain Warranty Performance: Include with the product: your name, address, phone number, written
description of the problem and proof of purchase date. Carefully package and return to:
TPI, Inc. TPI, Ltd. TPI, Europe Ltd..
9615 SW Allen Blvd. 342 Bronte Rd. S., Unit 9 Longley House, East Park
Beaverton, OR 97005 Milton, Ontario L9T 5B7 Crawley
USA Canada West Sussex RH10 6AP
Implied Warranties: Any implied warranties including implied warranties of merchantability and fitness for a
particular purpose, are limited in duration to three years from date of purchase. To the extent any provision
of this warranty is prohibited by federal or state law and cannot be preempted, it shall not be applicable. This
warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
England