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Description
Metrel MI 3125 Combination Multifunction TesterOverview The Metrel Installation Tester is designed for compliance testing to the AS NZ3000 standard. This multifunctional device is suitable for testing appliances and installations, combining the capabilities of 12 instruments into one highly specified tester. Specifically built to meet Australian standards, it provides the ultimate all in one testing solution. Clever accessories, such as the optional 3 phase adaptor kit, allow for easy deployment
Overview
The Metrel Installation Tester is designed for compliance testing to the AS/NZ3000 standard. This multifunctional device is suitable for testing appliances and installations, combining the capabilities of 12 instruments into one highly specified tester. Specifically built to meet Australian standards, it provides the ultimate all-in-one testing solution.
Clever accessories, such as the optional 3-phase adaptor kit, allow for easy deployment of the tester in various environments. An optional resistor box (not included) can be connected to the switchboard during installation testing, eliminating the need for lengthy trailing earth leads during outlet socket testing. Built-in thresholds deliver clear results with PASS/FAIL indications in accordance with AS3000 specifications, similar to an appliance tester.
Single Measurement Functions
- Voltage
- Frequency
- Phase rotation
- Resistance to earth connection and equipotential bonding
- Insulation Resistance
- Polarity
- Correct Circuit Connections
- Fault Loop Impedance/PSC
- RCD Test (including ramp current testing)
Insulation Resistance
Nominal Voltages: 50V, 100V & 250V DC
| Measuring Range (MΩ) | Resolution (MΩ) | Accuracy |
|---|---|---|
| 0.00 ... 19.99 | 0.01 | +(5% of reading + 3 digits) |
| 20.0 ... 99.9 | 0.1 | +(10% of reading) |
| 100.0 ... 199.9 | 0.1 | +(20% of reading) |
Insulation Resistance: 500V and 1000V DC
| Measuring Range (MΩ) | Resolution (MΩ) | Accuracy |
|---|---|---|
| 0.00 ... 19.99 | 0.01 | +(5% of reading + 3 digits) |
| 20.0 ... 199.9 | 0.1 | +(5% of reading) |
| 200.0 ... 999 | 1 | +(10% of reading) |
Voltage
Measuring Range
| Measuring Range (V) | Resolution (V) | Accuracy |
|---|---|---|
| 0 ... 1200 | 1 | +(3% of reading + 3 digits) |
Resistance (R LOWΩ)
Measuring Range
| Measuring Range (Ω) | Resolution (Ω) | Accuracy |
|---|---|---|
| 0.00 ... 19.99 | 0.01 | +(3% of reading + 3 digits) |
| 20.0 ... 199.9 | 0.1 | +(5% of reading) |
| 200.0 ... 1999 | 1 | +(5% of reading) |
RCD Testing
General Data
- Nominal residual current (A, AC): 10mA, 30mA, 100mA, 300mA, 500mA, 1000mA
- Nominal residual current accuracy: +5%
- Test current shape: sine-wave (AC), pulsed (A)
- RCD Type: G (non-delayed), S (time-delayed)
- Test current starting polarity: 0° or 180°
- Voltage range: 50V ... 264V (45Hz ... 65Hz)
Trip-out Time
| Measuring Range (ms) | Resolution (ms) | Accuracy |
|---|---|---|
| 0.0 ... 40.0 | 0.1 | +1ms |
| 0.0 ... max. time | 0.1 | +3ms |
Trip-Out Current
| Measuring Ranges IΔ | Resolution IΔ | Accuracy |
|---|---|---|
| 0.2xIΔN ... 1.1, 1.5, 2.2xIΔN (AC type) | 0.05xIΔN | +0.1xIΔN |
Socket Test (RLN, RLPE, RNPE, RPE)
- Measuring current: min. 200mA into load resistance of 2Ω
Measuring Range
| Measuring Range (Ω) | Resolution (Ω) | Accuracy |
|---|---|---|
| 0.00 ... 19.99 | 0.01 | +(3% of reading + 3 digits) |
| 20.0 ... 199.9 | 0.1 | +(5% of reading) |
| 200.0 ... 1999 | 1 | +(5% of reading) |
Fault Loop Impedance
No RCD and With RCD
| Measuring Range (Ω) | Resolution (Ω) | Accuracy |
|---|---|---|
| 0.00 ... 9.99 | 0.01 | +(5% of reading + 5 digits) |
| 10.0 ... 99.9 | 0.1 | +(5% of reading + 5 digits) |
| 100 ... 999 | 1 | +(10% of reading) |
| 1.00k ... 9.99k | 10 | N/A |
Prospective Fault Current (Calculated Value)
| Measuring Range (A) | Resolution (A) | Accuracy |
|---|---|---|
| 0.00 ... 9.99 | 0.01 | N/A |
| 10.0 ... 99.9 | 0.1 | N/A |
| 100 ... 999 | 1 | N/A |
| 1.00k ... 9.99k | 10 | N/A |
| 10.0k ... 23.0k | N/A | N/A |
Voltage, Frequency & Phase Rotation
Voltage
- Result type: TRUE RMS
- Nominal frequency range: 0Hz, 14Hz ... 500Hz
Measuring Range
| Measuring Range (V) | Resolution (V) | Accuracy |
|---|---|---|
| 0 ... 550 | 1 | +(2% of reading + 2 digits) |
General Data
- Overvoltage Category: 600V CAT III/300V CAT IV
- Protection Degree: IP40
- Display: 128 x 64 dot matrix display with backlight
- Dimensions: 14cm x 8cm x 23cm
- Weight: 1.0kg (without batteries)
- Temperature Range: 0°C to 40°C
- Maximum Humidity: 95% RH
- Power Supply Voltage: 9 V DC (6 x 1.5 rechargeable batteries) - 20 hours operation
Included Accessories
- Neck carrying belt
- Short instruction manual
- Instruction manual
- Calibration certificate
- Mains measuring cable (1.5m)
- Universal test cable (Black, Red, Green test clips)
- 3 x Test Leads
- 3 x Test Probes
- 3 x Crocodile Clips
- 6 x Rechargeable batteries
- Power supply adaptor
Standard Warranty
1-year warranty for the unit.
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
4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
SLP toolbox
Format: Board book
So adorable; love this set for my bilingual clients 💗
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
★★★★★ 5
Fun stories for my little Spanish learners!
Format: Board book, Format: Board book
Great set of 3 books for my entry-level Spanish learning kids who are 5 & 7.
The book of opposites is their favorite with a cute storyline. Everyone loves twins and piñatas!
They also love to repeat the instrument names in Spanish. la guitarra 🎸 el microfono 🎤
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Bilingual Books that cultivate cultural connections
Format: Board book
We absolutely LOVE the Si Sabo Kids collection. My son is obsessed with Street Vendors and I fear that without this exposure through books, he wouldn’t be exposed or know of the thrill of chasing down a paletero or buying flores fr your local flower cart.
With this new collection of La Plaza we were just as excited to flip through the pages!
What I love most is how the author’s honor Spanish and English in their text, but the exposure is to Spanish print first! This is very unique and purposeful for our younger generations.
You will not be disappointed. My little guy has me read these daily!
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Amazing Bilingual Books for Kiddos!
Format: Board book
We are obsessed with the Si Sabo Kids books! We got the first set of Street Vendors and now this is such a great addition. Our daughter loves these and reads them over and over. My husband is a spanish speaker but I am not, so this has been a great way to pass down spanish to our daughter regardless of whether you speak spanish or not. Plus, the case the books come in are so cute and stylish sitting on our bookshelf. Really makes a great present because it's a great set!
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Love this set of books!
Format: Board book
As a dual language educator and mother of a bilingual child, I absolutely love these books! The set is bright, colorful and culturally rich; the three books are inspired by Latin American marketplace scenes, which makes learning feel playful and meaningful! Such a wonderful addition to any household or classroom bookshelf!
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Reviewed in the United States on December 2, 2025