Description
TR DMO200 MicroOhmmeter
The TR DMO200 High Current Digital MicroOhmmeter is a precision instrument designed for accurate measurement of very low resistances in electrical systems, including busbars, cables, switches, transformers, and connections. Engineered for high-current testing, it delivers reliable and repeatable results even in challenging industrial environments.
Equipped with a digital display and user-friendly interface, the DMO200 allows technicians to quickly measure micro-ohm resistance with minimal setup. Its robust construction ensures durability in field and laboratory applications, while advanced measurement technology reduces errors caused by contact resistance or external interference.
Ideal for maintenance, commissioning, and troubleshooting, the TR DMO200 supports high-current testing up to 200 A, ensuring precise evaluation of electrical components and systems. Its portable design, combined with fast measurement capabilities, makes it an essential tool for engineers and electricians seeking accurate low-resistance diagnostics.
Key Features:
High-Current Measurement – Capable of testing up to 200 A for accurate micro-ohm readings.
Precision & Accuracy – Provides reliable and repeatable low-resistance measurements.
Digital Display – Clear, easy-to-read readings with user-friendly interface.
Portable & Rugged Design – Suitable for field and laboratory applications.
Minimal Setup – Quick connection and testing for efficiency in maintenance or troubleshooting.
Low Contact Resistance Error – Advanced technology reduces errors from leads and contacts.
Versatile Applications – Ideal for busbars, cables, switches, transformers, and electrical connections.
Maintenance & Commissioning Tool – Supports preventive maintenance, commissioning, and troubleshooting of electrical systems.
Specifications
Type & Function
• Low-resistance measurement instrument (micro-ohm) for testing contacts, connections, busbars, insulators, and switchgear.
Test Current
• 1 – 200 A DC with ripple < 2.5 % for high-precision measurement.
Resolution & Range
• Resolution: 0.1 μΩ (micro-ohm)
• Resistance calculated automatically from test current and sense voltage.
Display & Indicators
• Back-lit LCD showing resistance, voltage, and current in real-time.
Data Storage & Communication
• Store test results via USB memory key.
• USB keyboard included for adding comments to measurement records.
• Results saved in CSV format with timestamp.
Voltage & Power Supply
• Operating voltage: 90 – 264 V AC (universal).
Preset Current & Control
• Preset buttons for common test currents (e.g., 50 A / 100 A / 200 A).
• Measurement range automatically selected by the instrument.
Size & Weight
• Weight: approx. 6.9 kg (portable for field use).
• Dimensions: approx. 360 × 290 × 165 mm.
Protection & Standards
• Thermal and overcurrent protection for user and device safety.
• IP rating approximately IP54 (depending on model/configuration).
Standard Accessories
Included with the unit:
• 3 m output cables
• Sense cables
• Ground cable
• USB memory key
• USB keyboard
• Spare fuses
• Carrying case
• User manual







Reviews
There are no reviews yet.