FUZRR FR205B vs FR205D Clamp Meter Comparison Malaysia

FUZRR FR205B vs FR205D Clamp Meter Comparison Malaysia


The FUZRR FR205B and FUZRR FR205D are compact True RMS digital clamp multimeters for electrical testing and maintenance.


Although both models look similar and share several common functions, the FR205D offers a higher measurement range and one major advantage: DC current measurement.


The FR205B is suitable for general AC electrical work, while the FR205D provides wider application coverage for electricians, automotive technicians, solar installers and industrial maintenance teams in Malaysia.


Quick Comparison


FeatureFUZRR FR205BFUZRR FR205DMaximum display4000 counts6000 countsDC voltageUp to 400VUp to 600VAC voltageUp to 400VUp to 600VAC currentUp to 400AUp to 600ADC currentNot availableUp to 600AResistanceUp to 40MΩUp to 60MΩCapacitanceUp to 40mFUp to 100mFFrequencyUp to 10MHzUp to 10MHzDuty cycle0.1%–99.9%0.1%–99.9%Temperature-20°C to 1000°C-20°C to 1000°CTrue RMSYesYesAutomatic rangingYesYesNCV detectionYesYesJaw dimensions28 × 42mm28 × 42mm


Main Difference: DC Current Measurement


The most important difference is that the FR205D measures both AC and DC current, while the FR205B measures AC current only.


This difference determines which applications each model can cover.


The FR205B can measure current in:


Building AC wiring


Distribution boards


Conventional AC motors


Pumps and fans


Household appliances


General AC machinery


The FR205D can cover all these applications plus:


Automotive battery systems


Alternator charging current


Solar PV DC circuits


Battery charging and discharging


DC motors


DC power systems


Telecommunications backup systems


Battery-powered machinery


If DC current measurement is required, choose the FR205D.


Measurement Range


The FR205D has a higher current and voltage range.


FUZRR FR205B


AC current: up to 400A


AC voltage: up to 400V


DC voltage: up to 400V


DC current: not available


FUZRR FR205D


AC current: up to 600A


DC current: up to 600A


AC voltage: up to 600V


DC voltage: up to 600V


For general low-voltage AC maintenance where current remains below 400A, the FR205B may be sufficient.


For wider measurement coverage and mixed AC/DC work, the FR205D is the better choice.


4000 Counts vs 6000 Counts


The FR205B has a 4000-count display, while the FR205D has a 6000-count display.


Display count determines the highest value the meter can show before changing to another range.


A higher count can provide:


Better display resolution


More detailed readings


Fewer automatic range changes


Easier observation of smaller changes


However, display count is not the same as accuracy. Accuracy must be evaluated separately according to the published specification.


For everyday electrical troubleshooting, both displays are practical. The FR205D provides the advantage when greater resolution and a wider range are preferred.


AC Current Applications


Both models can measure AC current without disconnecting the conductor.


Common AC applications include:


Electrical distribution boards


Motor current inspection


Pump maintenance


Fan and blower testing


HVAC troubleshooting


Building maintenance


Appliance servicing


Factory machinery inspection


To measure current correctly, place only one conductor inside the clamp. If live and neutral conductors are clamped together, their magnetic fields may cancel and produce a near-zero reading.


Automotive Applications


The FR205D is the suitable choice for automotive current testing because vehicle electrical systems operate primarily on DC.


Possible FR205D automotive applications include:


Alternator charging-current checks


Battery charging-current measurement


Battery discharge observation


Starter-circuit inspection


Cooling-fan current measurement


DC motor testing


Electrical accessory load checks


The FR205B can measure automotive DC voltage, but it cannot measure the vehicle’s DC current through the clamp.


Solar PV Applications


A solar PV system contains both DC and AC circuits.


The FR205D can assist with:


Solar-string DC current measurement


Battery charging-current checks


Battery discharge-current checks


Charge-controller inspection


Inverter DC input-current checks


Inverter AC output-current checks


The FR205B can measure inverter AC current, but it cannot measure current on the solar or battery DC side.


Both models have voltage limits. Users must confirm the maximum possible PV string voltage before connecting either instrument.


True RMS Measurement


Both the FR205B and FR205D provide True RMS measurement.


True RMS is useful when measuring distorted AC waveforms produced by equipment such as:


Variable-frequency drives


Inverter air conditioners


Solar inverters


LED drivers


Switching power supplies


Electronic motor controllers


Industrial automation equipment


A True RMS instrument generally provides more dependable AC measurements on non-linear loads than an average-responding meter.


Resistance and Capacitance


The FR205D also provides wider resistance and capacitance ranges.


FunctionFR205BFR205DResistanceUp to 40MΩUp to 60MΩCapacitanceUp to 40mFUp to 100mF


These functions can support general component checks and troubleshooting.


Capacitors must be safely discharged and isolated from the circuit before measurement. An in-circuit measurement may be affected by other connected components.


Temperature Measurement


Both models support temperature measurement from approximately -20°C to 1000°C, subject to the supplied or compatible temperature probe.


Possible applications include:


HVAC inspection


Motor-temperature checks


Electrical-panel inspection


Machinery maintenance


Heating-system troubleshooting


Contact temperature readings do not replace thermal imaging when a complete temperature pattern or remote inspection is required.


Functions Shared by Both Models


Both the FR205B and FR205D provide:


True RMS measurement


Automatic range selection


Frequency measurement


Duty-cycle measurement


Resistance measurement


Capacitance measurement


Temperature measurement


Diode testing


Continuity testing


NCV non-contact voltage detection


Live-wire identification


Data hold


Maximum and minimum recording


Backlit LCD display


Automatic shutdown


Low-battery indication


The selection therefore depends mainly on current type, required range and display resolution.


Choose the FR205B If:


The FUZRR FR205B may be sufficient when:


You measure AC current only


The expected current is below 400A


The voltage is within the 400V range


You perform basic building or appliance maintenance


You do not work with automotive, battery or solar DC current


A more economical model is preferred


Choose the FR205D If:


The FUZRR FR205D is the better choice when:


You need both AC and DC current measurement


The expected current may reach 600A


You need voltage measurement up to 600V


You work with vehicles or battery systems


You test solar PV equipment


You maintain DC motors or power systems


You prefer a 6000-count display


You want a wider resistance and capacitance range


For MTM Precision’s industrial product positioning, the FR205D is the stronger and easier model to promote because it covers more customer applications.


Can Either Model Replace Every Electrical Tester?


No. These are general-purpose clamp multimeters.


Depending on the application, technicians may still require:


Insulation-resistance tester


Earth-resistance tester


Leakage-current clamp meter


Power-quality analyser


Phase-sequence meter


Solar PV tester


Thermal camera


Battery tester


Low-current DC clamp meter


Select the instrument according to the measurement range, required accuracy, safety category and application.


FUZRR FR205B or FR205D: Which Is Better?


For simple AC electrical testing, the FR205B offers the essential functions.


For a small difference in equipment category, the FR205D provides substantially wider application coverage through:


AC and DC current measurement


Higher 600A current range


Higher 600V voltage range


6000-count display


Wider resistance range


Wider capacitance range


For electricians who occasionally handle solar, automotive or battery systems, the FR205D is generally the more practical long-term choice.


Buy FUZRR FR205B or FR205D in Malaysia


Contact MTM Precision for the FUZRR FR205B and FR205D Clamp Meter in Malaysia.


Tell us whether you need to test building wiring, motors, HVAC systems, automotive batteries, solar PV systems or industrial machinery. We can help select the appropriate model based on your application and measurement range.


MTM Precision Sdn. Bhd. (744811-A)


Telephone: +603-8080 7172

WhatsApp: +6016-660 7346

Email: mtmpre@yahoo.com / enquiry@mtmpre.com.my

Website: www.mtmpre.com.my


Showroom & Service Centre:

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia.



19 Sep 2026