











Model 393
True RMS Handheld Digital Multimeter with USB interface
Price: 255€ / 3 yr Warranty
DiscontinuedNov 16, 2023
Name | Qty | Last Updated | ||
---|---|---|---|---|
MOUSER ELECTRONICS | 12 | 2025-08-29 |
Overview
The 393 has been replaced by the: 393B
High performance and value priced, this Test Bench® Series model 393 offers more features for the dollar than other multimeters. In addition to measuring voltage and current, the meter also measures capacitance, frequency and temperature, and includes component test, and diode test capabilities. A double injection molded case provides improved grip and protection.
- 60000 count LCD display
- 0.08% basic accuracy
- True RMS AC+DC
- Temperature, frequency and capacitance measurement
- Auto power off
- All current ranges are fused protected
- IEC61010 1: CATIII 1000V, CAT IV 600V
- USB interface for remote communication
Documents
Documentation
Software
Description |
Version |
Download |
---|---|---|
Operating Software (Supports Windows(R) 7/8/8.1)
|
V1.0.03
|
Accessories

DMM Carrying Case
LC 29B
- Light weight, durable Cordura nylon Protects your instruments
- Made in the U.S.A.
- Room to hold your test leads
- Approximate Internal Dimensions: 4" x 2.5" x 8" (102 x 64 x 203mm)

40kV High Voltage DMM Probe
PR 28A
If the voltages you need to measure are above the specifications of the general purpose probe, B+K Precision has higher voltage probes for you.
- 40,000VDC or 20,000Vac Max input voltage
- X1000 Attenuation
- 1000M ohms Input Impedance
- 60Hz Bandwidth
- 48" (1.2m) Cable Length

Thermocouple Bead Probe, -50 to 200 C
TP 29
Replacement thermocouple temperature probe for meters with K-type thermocouple inputs. PTFE insulated wire with exposed junction allows for fast air, gas, or general purpose measurments.

USB Interface for model 390A and 393
USB390A
Opto-Isolated PC Interface cable for the models 390A and 393
One USB390A is included with each 390A and 393. This is the replacement part.

Red and Black CAT III (IV) 1000V (600V) Test Leads
TL37
Right-angled sheathed banana replacement 10A test leads for digital multimeters.

General Purpose DMM Kit
TL130B
If you need only one basic accessory kit for your meter, this is the one. Attach probes or clips to the sheath plug to complete your test. Soft, flexible silicone leads make movement easy. Kit is voltage and current rated for electronic or electrical applications.
- Probes are 1000 V, CAT III (600 V, CAT IV)
- Alligator clips are 300 V, CAT II 5A
- UL Listed test leads
- Silicone lead wire length 60" (1 m)
- Tri-fold velcro pouch

Maxi-Pro DMM Kit
TL50B
- Complete accessory kit for all your testing needs.
- Includes soft, flexible silicone lead wire easy movement and Tri-Fold Velcro Pouch for convenient storage.
- 1000 V, CAT III (600 V, CAT IV)
- UL Listed test leads
- Silicone lead wire length 60" (1.5m)
- Tri-fold Velcro Pouch