OTC 3940-HD Digital Multimeter Kit for HD Truck, Metal Plastic Heavy-Duty Diagnostic Set
- The OTC 3940-HD is a heavy-duty truck diagnostic kit featuring the OTC 550 Series autoranging multimeter, a mid-range amp probe (2-600 A), and 5 ft test leads. It is engineered for electrical diagnostics on heavy-duty trucks.
- Features:
- OTC 550 Series multimeter supports frequency, duty cycle, diode, continuity, and voltage/resistance measurement
- Mid-range amp probe enables non-intrusive AC/DC current measurement from 2 to 600 A-covering heavy truck electrical loads
- 5 ft test leads provide extended reach across large vehicle chassis
- Detachable probes allow the amp probe to use the same lead set; packaged in a molded tray for organized storage
- Includes:
- OTC 550 Series autoranging multimeter
- Mid-range amp clamp probe (2-600 A AC/DC)
- 5 ft insulation-rated test leads with detachable probes
- Specifications:
- Manufacturer: OTC (Bosch Automotive Service Solutions)
- Part Number: 3940-HD
- Piece Count: 3 components (multimeter, amp probe, test leads)
- Voltage/Measurement Functions: frequency, duty cycle, diode, continuity, and DC/AC voltage measurement
- Amp Probe Range: 2-600 A AC/DC
- Test Lead Length: 5 ft
- Application: Designed for heavy-duty truck electrical diagnostics
- Also known as OTC 3940 HD Kit, OTC HD Truck Multimeter Set, OTC 550 Multimeter Kit, OTC Heavy-Duty Diagnostic Kit, or 3940-HD Multimeter Pack.
OTC, under Bosch Automotive Service Solutions, designed the 3940-HD as a robust multimeter kit for heavy-duty truck systems. It combines a high-performance multimeter, amp probe, and long test leads for comprehensive diagnostics.
Q: What is the current measurement range of the included amp probe?
A: The amp probe measures from 2 to 600 A (AC/DC), suitable for heavy-duty truck electrical loads.
Q: Are the test leads long enough for large truck use?
A: Yes. The included 5 ft test leads provide sufficient reach across a truck chassis.
Q: Does the multimeter support standard automotive modes?
A: Yes. The OTC 550 Series multimeter includes automotive test modes such as frequency, duty cycle, diode, continuity, and DC/AC voltage measurement.
