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Learn more by watching our Major Tech MT993 | Loop Calibrator PLC Testing video.
The Major Tech MT993 is a versatile loop calibrator and signal generator, perfect for PLC debugging, process instrumentation, and valve testing. It can source and measure voltage (0-24V), current (0-24mA), and frequency (0-9999Hz), making it a must-have tool for industrial applications. With dual independent channels, users can measure and source different signals simultaneously, improving efficiency on the job.
Its 2.4-inch high-definition TFT LCD, with adjustable backlighting, provides clear readings in any environment. The real-time curve display tracks signal changes over time, while the PWM output function allows for independent frequency and duty cycle adjustments. Powered by a 3000mAh rechargeable lithium battery, it delivers up to 26 hours of standby time, making it ideal for fieldwork.
Q: What signals can this calibrator measure and source?
A: It supports voltage (0-24V), current (0-24mA), and frequency (0-9999Hz).
Q: Does it support real-time monitoring?
A: Yes, the real-time curve display allows users to monitor voltage and current changes over time.
Q: How long does the battery last?
A: The built-in 3000mAh lithium battery provides up to 26 hours of standby time and 8-10 hours of continuous use at 20mA output.
(MT993)
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.
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
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
Contact us via our chat to arrange the return.
Exclusions
We can’t accept returns for:
How to Request a Return
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.
To initiate a warranty claim:
Return to Sparky Direct
Ship the meter back to Sparky Direct along with:
Please ensure the unit is securely packaged to prevent damage in transit.
Forwarded for Assessment
Upon receiving your meter, we will forward it to Major Tech’s authorised service centre for inspection, testing, and calibration.
Major Tech’s service lab will assess the returned unit to determine:
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.
| Function | Range | Precision | Resolution |
|---|---|---|---|
| Active Current Output | 0 - 24mA | ±(0.1%+0.005) | 0.01mA |
| Passive Current Output | 0 - 24mA | ±(0.1%+0.005) | 0.01mA |
| Voltage Output | 0 - 24V | ±(0.1%+0.005) | 0.01V |
| 24V Loop | 0 - 24mA | ±(0.1%+0.005) | 0.01mA |
| Frequency Output | 0 - 9999Hz | ±(2%) | 5 digits |
| Current Input | 0 - 24mA | ±(0.1%+0.005) | 0.01mA |
| Voltage Input | 0 - 30V | ±(0.1%+0.005) | 0.01V |
| Dimensions | 112 x 82 x 27mm | ||
| Weight | 165g | ||
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Major Tech |
| SKU | MT993 |
| Barcode # | 6008229040979 |
| Package Weight | 0.470kg |
| Package Width | 0.150m |
| Package Height | 0.095m |
| Package Length | 0.155m |
| TYPE | VALUE |
|---|---|
| Type | Earth/Loop/PSC Testers |
| Brand | Major Tech |
| Maximum Load | 750Ω |
| Output Voltage | 0 - 24V |
| Dimensions | 112 x 82 x 27mm |
| Battery | 3000mAh Rechargable |
| Weight | 165g |
| Output Current | 0 - 24mA |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
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