Beta
Test Products International (TPI) is a leading manufacturer of affordable, high-performance test and measurement instruments for HVAC, electrical, industrial, and automotive professionals.
Parts that are not part of a series
Company background and product focus
Test Products International, Inc. has been providing cutting-edge test and measurement technology at affordable prices since 1997. Headquartered in Beaverton, Oregon, TPI operates globally with subsidiaries in the UK and Canada.
Known as the "Safety Green Meter Company," TPI offers a comprehensive product line including digital multimeters, clamp-on testers, thermometers, oscilloscope probes, connector kits, test lead sets, gas analysis instruments, and handheld oscilloscopes. Most products are cULus listed and backed by a 3-year warranty.
© 2026 Zenode. All rights reserved.
Product families from TPI (Test Products Int)
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
Parts from TPI (Test Products Int) that are not part of a series
| Part Information | Pricing (lowest) | Includes | Function | Display Digits | Display Count | Style | Response | Rating (CAT III) | Ratings | Ranging | Type | Display Type | Features | For Measuring | Functions, Extra | Package / Case | Frequency Range (Max) | Frequency Range (Min) | Attenuation Value | Power (Watts) | Impedance | Kit Contents | Kit Contents - Total Pieces | Kit Contents - Case | Kit Contents - Attenuators | Kit Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 TPI (Test Products Int) DMM AUTO RANGE W/BOOT | Sign in to see pricing | Battery, Manual, Test Leads | Resistance, Voltage | 3.75 | 4000 | Handheld | Average | 600 V | CAT III | Auto | Digital (DMM) | LCD | Auto Off | — | — | — | — | — | — | — | — | — | — | — | — | — |
 TPI (Test Products Int) INDOOR AIR QUALITY METER | Sign in to see pricing | Battery, Boot, Case, Manual, Software | — | — | — | — | — | — | — | — | Air Quality | — | — | Indoor Air Quality (IAQ) | — | — | — | — | — | — | — | — | — | — | — | — |
 TPI (Test Products Int) DMM POCKET MANUAL RANGE 3DIGIT | Sign in to see pricing | Battery, Manual, Test Leads | Resistance, Voltage | 3.5 | 2000 | Handheld | Average | 600 V | CAT III | Manual | Digital (DMM) | LCD | Hold | — | Continuity | — | — | — | — | — | — | — | — | — | — | — |
 TPI (Test Products Int) RF ATTENUATOR 3DB 50OHM BNC | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | BNC In-Line Module | 1 GHz | 0 Hz | 3 dB | 1 W | 50 Ohm | — | — | — | — | — |
 TPI (Test Products Int) RF ATTENUATOR 6DB 50OHM BNC | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | BNC In-Line Module | 1 GHz | 0 Hz | 6 dB | 1 W | 50 Ohm | — | — | — | — | — |
 TPI (Test Products Int) RF ATTENUATOR 10DB 50OHM BNC | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | BNC In-Line Module | 1 GHz | 0 Hz | 10 dB | 1 W | 50 Ohm | — | — | — | — | — |
 TPI (Test Products Int) RF ATTENUATOR 20DB 50OHM BNC | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | BNC In-Line Module | 1 GHz | 0 Hz | 20 dB | 1 W | 50 Ohm | — | — | — | — | — |
 TPI (Test Products Int) KIT ATTENUATOR 3DB 6DB 10DB 20DB | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Attenuators, Case | 5 pcs | 1 | 4 | BNC Attenuator |
 TPI (Test Products Int) COMPACT DIGITAL MULTIMETER | Sign in to see pricing | Battery, Manual, Test Leads | Resistance, Voltage | 3.5 | 2000 | Handheld | Average | 600 V | CAT III | Manual | Digital (DMM) | LCD | Hold | — | Continuity | — | — | — | — | — | — | — | — | — | — | — |
 TPI (Test Products Int) DMM POCKET AUTO-RANGE 4DIGIT | Sign in to see pricing | Battery, Manual, Test Leads | Current, Resistance, Voltage | 3.75 | 4000 | Handheld | Average | 600 V | CAT III | Auto | Digital (DMM) | LCD | Auto Off, Hold, Min/Max | — | Continuity, Diode Test | — | — | — | — | — | — | — | — | — | — | — |