











Model 393
True RMS Handheld Digital Multimeter with USB interface
Price: $250 / 3 yr Warranty
DiscontinuedNov 16, 2023
Name | Qty | Last Updated | ||
---|---|---|---|---|
MOUSER ELECTRONICS | 13 | 2025-03-21 |
Overview
The 393 has been replaced by the: 393B
Documents
Documentation
Software
Description |
Version |
Download |
---|---|---|
Operating Software (Supports Windows(R) 7/8/8.1)
|
V1.0.03
|
Accessories

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
- MSRP: $115

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.
- MSRP: $14

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.
- MSRP: $17

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)
- MSRP: $21

Red and Black CAT III (IV) 1000V (600V) Test Leads
TL37
Right-angled sheathed banana replacement 10A test leads for digital multimeters.
- MSRP: $14