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        Learn more by watching our Major Tech MT330 | Earth Resistance Tester video.

        Major Tech MT330 | Earth Resistance Tester

        Description:

        The MT330 is an ideal earth resistance tester for the measurement of earth rods and lighting conductors. Other ranges have been included such as AC voltage measurement up to 750V and DC voltage up to 1000V, plus a 200kΩ resistance range. The large backlit dual display LCD indicates the range measured as well as the battery voltage. The advanced circuit design permits the instrument to operate with minimum influence from earth voltage and earth resistance of auxiliary spikes. The double mould rubber injection housing ensures that the meter can handle the rough terrain when used in the field while performing earth tests.

        Features:

        • CAT IV 600V and CAT III 1000V
        • Earth Resistance 2000Ω
        • Earth voltage to 200V
        • Indicates if resistance of auxiliary spikes is within tolerance
        • Direct readout of the earth resistance on the LCD display
        • 750V AC & 1000V DC
        • Overrange indicator
        • Zero adjustment of leads
        • Data Hold
        • Overmould casing
        • Dual LCD with backlight
        • Ideal for earth rods and lightning conductors

        (MT330)

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Domestic Use: 2 Year
        Commercial Use: 2 Year
        Warranty Method: Return to Sparky Direct

        All Major Tech Meters sold through Sparky Direct are covered by the manufacturer’s warranty. If you believe your meter is faulty or defective, you may request an assessment under this warranty policy.

        How to Lodge a Warranty Claim

        To initiate a warranty claim:

        1. Return to Sparky Direct
          Ship the meter back to Sparky Direct along with:

          • A copy of your proof of purchase
          • A brief description of the issue
          • Your contact details

          Please ensure the unit is securely packaged to prevent damage in transit.

        2. Forwarded for Assessment
          Upon receiving your meter, we will forward it to Major Tech’s authorised service centre for inspection, testing, and calibration.

        Assessment Process

        Major Tech’s service lab will assess the returned unit to determine:

        • Whether the fault is due to a manufacturer’s defect (covered under warranty), or
        • If the issue is the result of user error or no fault is found.

        Outcomes

        • If approved under warranty: The product will be repaired or replaced at no cost to you.
        • If not covered under warranty: The lab may offer repair services, which will be quoted and billed directly to you by the service provider.

        Important Notes

        As Major Tech’s service labs are independent providers, Sparky Direct cannot govern or guarantee turnaround times or any costs incurred for repairs outside of warranty coverage.

        Please allow up to 7-14 working days for the return of your product.

        Specifications

        Function Range Resolution Accuracy
        DC Voltage 1000V 1V ±(0.8% + 3 Digits)
        AC Voltage 750V 1V ±(1.2% + 10 Digits)
        Resistance 200kΩ 0.1kΩ ±(1% + 2 Digits)
        Earth Resistance 20/200/2000Ω 0.01Ω ±(2% + 10 Digits)
        Earth Voltage 200V 0.1V ±(3% + 3 Digits)
        Frequency 40 to 400Hz    
        Display LCD Display
        Back Light Yes
        Enclosure Over moulded case
        Low Battery Indication Yes
        Batteries 6 x AA
        Weight 700g
        Dimensions 200 x 92 x 50mm
        Safety Specs IEC61010-1 CAT IV 600V

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand Major Tech
        SKU MT330
        Barcode # 6008229008108
        Package Weight 2.336kg
        Package Width 0.220m
        Package Height 0.110m
        Package Length 0.270m
        View Datasheet
        TYPE VALUE
        Type Resistance Tester
        Brand Major Tech
        Frequency 40 to 400Hz
        Batteries 6 x AA
        Safety Specs IEC61010-1 CAT IV 600V
        Dimensions (mm) 200 x 92 x 50
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