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Triplett® - Model 6-in-1 Digital Multimeter - 9055

Auto Ranging 53 Measurement Ranges including AC/DC Voltage and Current

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Triplett® - Model 6-in-1 Digital Multimeter - 9055 Features

Use this TRIPLETT 9055 Autoranging Digital Multimeter to take light and sound measurements in addition to traditional ones, such as voltage, current, resistance and frequency. The meter features a rubberized overmolded housing to shield against damage caused by drops. A built-in stand lets you enjoy freestanding measurements while you use the test leads.


  • Covers 53 measurement ranges, including AC/DC voltage, AC/DC current, resistance, Lux, continuity, relative humidity, capacitance, temperature and sound
  • The sound level meter measures decibels from 35 to 100 dBC
  • Use the light meter to measure illumination from 0 to 40,000 lux
  • Cat IV design delivers protection against transient overvoltages in industrial settings
  • Rubberized overmolded housing helps protect against impacts when dropped
  • Ergonomic design offers comfortable handling
  • Automatic power-off function extends the battery life
  • Built-in stand allows hands-free use
  • Backlit display with 3.75-digit resolution shows the readings
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Product Details

The Triplett Model 9055 is a 3-3/4 digit (4000 counts) high-performance digital multimeter with an array of environmental functions. It offers over 50 measurement ranges including AC/DC Voltage, AC/DC Current, Resistance, Frequency, Capacitance, Temperature (Type K and ambient), Relative Humidity (RH), Light (LUX), and Sound (dBC). Additional features include an NCV Detector, Continuity, and Diode Test. The rubberized over-molded housing with built-in stand provides impact and drop resistance in a sleek ergonomic design, and the user-friendly Auto Power Off feature helps maximize battery life. With an industry-leading CAT IV design, it provides superior resistance to damage from transient overvoltages in any demanding industrial settings. The Model 9055 is suited for a variety of industrial and residential applications such as security, home theater, electrical, HVAC installations and more. Includes test leads, alligator clips, Type K Temperature probe, and 9V battery. 3-year warranty.

Product Specifications

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  • DC Voltage up to 1000V
  • AC Voltage up to 700V
  • DC Current up to 10A
  • AC Current up to 10A
  • Resistance (Ohms) 400 to 40M
  • Diode Test
  • Capacitance 50nF to 100uF
  • Continuity Test
  • Frequency Test 5Hz to 10MHz
  • Light Meter 0 to 40,000 Lux
  • Sound Level Meter 35.0 to 100 dBC
  • Overload protection
    • CAT I, II & III to 1000VDC, 700VAC. CAT IV to 600V AC/DC
    • Ohms ranges: 600V AC/DC
    • Diode Test: 600V AC/DC
    • Continuity: 600V AC/DC
    • Fuses: uA, Ma Jack – 500mA/600V fuses. 10A Jack – 10A/600V Fuse
    • Agency Approval CE
  • Dimensions: 3.2 x 6.75 x 1.4 in
  • Weight: 0.70 lbs.
  • Battery life: 200 hours (9 volt)

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Frequently Asked Questions

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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can fill out the ORDER RETURN FORM HERE. If your return is accepted, we’ll send you the instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products (such as special orders or personalized items). Please get in touch if you have questions or concerns about your specific item. Certain Items will Carry restocking fees for us to take back into our stock, This is due to items being made to order or for being an oversized item.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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