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Description
TPI-32A 3-Phase electrical test adaptor 5 pin 32ANote: This product is not a general purpose 3 phase adaptor it is only suitable for electrical testing in accordance with AS3760. Overview A 5 pin 32 Amp 3 Phase Adaptor for Earth Continuity and Insulation testing of appliances and leads. Works with both 4 and 5 pin (M) connections. TPI Overview Can be used with any appliance tester Users set the appliance tester to Class I test The adaptor allows the appliance tester to check insulation resistance
Note: This product is not a general purpose 3-phase adaptor - it is only suitable for electrical testing in accordance with AS3760.
Overview
A 5-pin 32 Amp 3 Phase Adaptor for Earth Continuity and Insulation testing of appliances and leads.
Works with both 4 and 5 pin (M) connections.
TPI Overview
- Can be used with any appliance tester
- Users set the appliance tester to Class I test
- The adaptor allows the appliance tester to check insulation resistance and earth continuity
- All phases and neutral are tested for insulation resistance simultaneously to earth
- For 4-pin appliances/extension leads, the neutral test is omitted
Capability Summary
The adaptor provides the following test capability*
- Earth continuity - Yes
- Insulation resistance - Yes
- Extension lead current leakage - No
- Appliance current leakage - No
- Polarity - Yes (L123/N only) - No
- RCD Trip Time/Trip Current - No
- Loop/Line Impedance - No
- Phase rotation/wiring - (L1-L1, L2-L2,L3-L3) - No
*Only in conjunction with suitable test instruments that have the required test functionality (not included):
Applications
- Testing of earth continuity and insulation resistance of 32A 3-Phase appliances
- Testing of earth continuity and insulation resistance of 32A 3-Phase leads
Checking 3 Phase Appliances
- The adaptor's 3-pin plug is connected to the appliance tester
- The 3-phase appliance is plugged into the female 3-phase socket of the adaptor
- The appliance tester's earth clamp/probe is attached to the metal body of the 3-phase appliance
- User selects Class I test on the appliance tester
- The appliance tester conducts the earth continuity test
- The appliance tester conducts the insulation resistance test
Checking 3 Phase Extension Leads
- The adaptor's 3-pin plug is connected to the appliance tester
- The 3-phase extension lead is plugged into the female 3-phase socket of the adaptor
- The appliance tester's earth clamp/probe is attached to the earth pin on the female socket of the 3-phase extension lead
- User selects Class I test on the appliance tester
- The appliance tester conducts the earth continuity test
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
IMO, a filter coffee lovers best scale option on a budget. Solid grade A choice.
Color: Black
I have two other .1mg "coffee" or food scales that I used regular for pour overs. I saw this has 4x display on real time flow rate, g/mg weight, timer, and grounds to water ratio for a solid price and purchased this after reading some reviews. One of my scales has these features, but the workflow on this scale just clicked a ton better for me.
The beep isn't super loud annoying which is a major relief, as I just couldn't keep sound on on my other scale due to that trigger honestly. I tried brew mode immediately and will now only use that when making a pour over. Loved the beep alerting when I finally hit the proper ratio and I like it keeps my final info on screen after the brew for my study. I can actually practice my technique now and not have split attention as much.
This is still compact, but fits a larger carafe well whereas my other scale is a better fit for the espresso machine. The display is clear and buttons have a slight tactile sensation from the print, but are still the capacitive touch based style. I tested it with weights and it is my most accurate scale, it hit the .1g accurately every time or at worst would fluctuate back and forth quickly from the true value (more than enough for me to trust it). It updates and tares from power on fairly fast, it reacts fast enough to touch to not make me pause much.
My nitpicks are that the front clear matte plastic isn't quite uniform flat viewed at an off angle giving it a cheaper look, but that doesn't affect functionality at all and truth is, it really was very affordable for the feature set I feel.
The second nitpick was that the scale's mat does not grip well or fit securely over prompting it to move around easily. For this I had to modify using some rubberized grip tape on the surface of scale underneath the mat itself. Now it doesn't slide from vibration and if any pressure down it doesn't slip. I could have removed it totally, but it is attractive and useful once stabilized. With that modification done, I can fully recommend this scale for filter coffee lovers at any price. Great product, hopefully lasts me a long time.
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Top of the line scale.
Color: Black
Fantastic scale. The best coffee scale I have ever owned and can be used for all kinds of kitchen items as well.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Product was as described and meet my need for a scale measuring 0.1 g
Color: Black
Product was as described. Works well. I use it for measuring the amount of coffee for my drip coffee maker. I have not done any testing with respect to actual accuracy so cannot comment. But it seems close to the other scale that I have that only measures to the nearest gram. Construction seems good. Nice looking unit.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Nice scale
Color: Black
Works as expected, nice size. Makes a big difference when adjusting espresso extraction. I haven't used the timer. One improvement for my use would be to move the power switch from the back to the front, on the side or on the control panel.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
accurate scale
Color: Black
great product
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Reviewed in the United States on June 1, 2026