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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
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Great Strong Chew Toy but not too Hard
Color: Red Pulse, Size: Medium
Great strong chew toy. It's very strong and does not tear apart like everything else. At the same time it is not hard plastic like the last brown one I ordered that could break my dog's teeth. My dog is a 2 yr old 14 lb Chi mix with a super strong bite. He tore all the stuffies up and even the nylon toy that was supposed to withstand a lot. This is the one toy that could outsmart him. I play fetch with him and it has a nice weird hop due it's shape so it keeps him interested and surprised. It's a bit heavier than other similar toys and I'm guessing bigger dogs would definitely like it too. I'm very pleased after buying so many others that were easily chewed up or too hard.
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Reviewed in the United States on November 9, 2025
★★★★★ 1
Unsafe and absolutely garbage
Color: Yellow Frisbee, Size: Large
If I could give this zero stars, I would. My dog had it for approximately two minutes of playtime, I didn’t even get to throw it, and it already had holes in it. He wasn’t chewing it or playing aggressively. He simply had it folded in half in his mouth and it tore. This toy is not safe for dogs.
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Reviewed in the United States on June 13, 2025
★★★★★ 5
Perfect ball for my Chihuahua
Color: Multi Meteor Ball, Size: Small
My dog is a Chihuahua. The small size is perfect for her. She loves chewing on the ball and loves the crackling noise from the material inside. I love that it is strong enough, she cannot tear it apart or is she able to remove the material inside. Perfect for her.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
Best toy for our dogs!
Color: Yellow Frisbee, Size: Large
These are great for our labs. They love to fetch and play in the back yard. Loved how sturdy these have been the last few days. The material is tough enough to withstand our boys.
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Reviewed in the United States on August 22, 2025
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value.
By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026