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        Learn more by watching our Major Tech MT990 | Process Current Calibrator video.

        Additional related video.

        Major Tech MT990 | Process Current Calibrator

        Description:

        The MT990 is a portable instrument used for calibrating process devices and measuring process signals, as well as general purpose signal injection applications. This meter has four modes to provide the quality and accuracy of a bench top calibrator; these include a precision current source up to 24mA, current measurement of current signal, DC mV source and the power and measurement of a two-wire loop.
        The MT990 ensures correct measurements on mass, volume, length, electricity, flow, pressure, heat and thermal energy. Saves you money by reducing waste due to accurate measurements. Enables smooth production processes.

        Features:

        • Measuring process signals
        • General purpose signal injection applications
        • Current loop calibrator
        • Load output 0 – 24mA
        • Calibrator drives loads to 500Ω
        • Adjustable – 199.9mV to 199.9mV DCV source
        • Powers or measures a two wire current loop
        • 4 Functions – current source, current measurement, DC mV source, power and current measurement of two wire loop
        • 1999 Count LCD Resolution

        (MT990)

        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 Current 0-24mA 0.01mA ±(0.5%FS + 1 Digit)
        DC Voltage -199.9mV to 199.9mV 0.1mV ±(0.25%FS + 1 Digit)
        4-20mA% Yes
        Digital Display 1999 count
        Data Hold Yes
        Back Light Yes
        Enclosure Double Moulded case
        Low Battery Indication Yes
        Battery 9V
        Weight 232g
        Dimensions 150 x 70 x 40mm

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

        Brand Major Tech
        SKU MT990
        Barcode # 6008229028656
        Package Weight 0.442kg
        Package Width 0.120m
        Package Height 0.170m
        Package Length 0.070m
        View Datasheet
        TYPE VALUE
        Type Process Loop Calibrator
        Brand Major Tech
        Battery 9V
        Dimensions (mm) 150 x 70 x 40mm
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