mini multimeter digital multimeter
MESTEK DM90 mini multi-meter digital multi-meter auto range tester
Description:
This multimeter is designed to safely and accurately troubleshoot a variety of automotive and household eletrical problems,it is provided with a LCD display for clear reading,it can be used to measure DC/AC voltage/current ,resistance,capacitance,frequency,duty cycle,diode,continuity and live wire.
Features:
Max display value:6000
LCD display with backlight for clear reading.
Can measures AC/DC voltage/current,resistance,capacitance,frequency,duty cycle,diode,continuity and live wire.
VFC test and NCV test with warning alarm function.
Includes True RMS,data hold and low battery indication functions.
Auto power off in 15mins if there's no operation.
Built-in LED flashlight,convenient to use at night or dark environment.
With overload protection on all ranges.
Equipped with a back bracket for supporting multimeter,and also can collect test probe for your convenience.
Protected by rubber for drop protection.
Great for troubleshooting automotive and household electrical problems.
Specifications:
Maximum Display:6000
Range Control:Auto Range
DC Voltage:60mV/600mV/6V/60V/600V
AC Voltage:60mV/600mV/6V/60V/600V
V.F.C Range:200V~600V
DC Current:600uA/6000uA/60mA/600mA/10A
AC Current:600uA/6000uA/60mA/600mA/10A
Resistance:600ohm/6Kohm/60Kohm/600Kohm/6Mohm/60Mohm
Capacitance:9.999nF/99.99nF/999.9nF/9.999uF/99.99uF/999.9uF/9.999mF/99.99mF
Frequency(HzVGrade):99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz/9.999MHz/99.99MHz
V/A Frequency Range:10Hz-10kHz
Duty Cycle:10%~95%
Overload Protection:DC/AC 250V(True RMS)
Diode Test:YES
Continuity Buzzer:Yes
Auto Power Off: about 15mins
Sampling Rate:0.4s
Altitude:2000m
Power Supply:3*1.5V AAA Batteries(NOT Included)
Operating Temperature:0~40C(32~104F),45~80% relative humidity
Storage Temperature:-20~60C(-4~140F),45~80% relative humidity
Package List:
1x digital multimeter
1x pair of test leads
1x user manual
🔧 Battery Rebuild Service
We rebuild your existing battery using fresh, high-quality cells to restore or increase capacity and performance.
- Full disassembly, rebuild, and testing
- Upgraded capacity options available
- Uses brand new name-brand cells
- Turnaround time: Approximately 14 business days
- Timeline includes the time it takes for us to receive your battery and complete the rebuild
⚡ Custom Battery Builds
Fully custom battery solutions designed to meet your exact specifications. This is ideal for unique applications or when a standard battery will not fit your needs.
- Custom shapes and sizes
- Custom BMS (Battery Management System) configurations
- Choice of cells and performance levels
- Option for enclosed case or raw (naked) pack
- Built specifically for your application
- Turnaround time: Approximately 21 business days
🔋 Battery Packs (Encased)
Battery packs built using one of our in-stock cases. These are a great option if you want a reliable, ready-to-fit solution.
- Uses pre-designed cases from our inventory
- Proven, reliable configurations
- Faster than fully custom builds
- Turnaround time: Approximately 14 business days
🔬 Battery Cells (Individual Cells)
We supply high-quality lithium-ion cells for repairs, upgrades, and custom builds.
- In-stock cells: Ship within 3–6 business days
- Out-of-stock (air shipping): Approximately 10 business days
- Out-of-stock (sea shipping): Approximately 40 days
📦 Shipping & Intake Process
- Place your order or request a quote
- Fill out our Battery Intake Form
- Send in your battery (include charger and key if required)
- We inspect and test your battery
- We contact you with results and recommended options
Important Information
Turnaround times begin once your battery is received and checked into our system.
During high demand periods or for complex builds, timelines may be slightly extended.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
4856 Judson Ave Suite 155 Las Vegas, NV 89115
Monday– Thursday, 9:00 AM – 4:00 PM ( Friday by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
