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3 mΩ to 3 Ω/60V Handheld Battery Tester for Diagnosing and Managing UPS Batteries



Hioki portable battery testers support the maintenance of UPS and storage batteries critical to the life support of all businesses. The 3554 sets the standard for assessing the deterioration and remaining life of lead-acid batteries by giving a complete diagnosis via battery resistance testing. BATTERY HiTESTER 3554


Note: The thresholds for determining the pass/fail condition of a battery depends on the specifications and standards of the battery manufacturer, battery type, capacity, etc. It is important and necessary to always conduct battery testing against the internal resistance and terminal voltage of a new or reference battery. In some cases, it may be diffcult to determine the deterioration state of traditional open type (liquid) lead-acid or alkaline batteries which demonstrate smaller changes in internal resistance than sealed lead acid batteries.


Key Features

• Measurement circuit that’s more resistant to noise than previous models

• Instantaneously diagnose degradation (PASS, CAUTION FAIL) by measuring internal resistance and voltage

• Increased measurement efficiency thanks to new compact, lightweight probes

• Store up to 4,800 data points in built-in memory and transfer to PC via USB

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)


Resistance measurement range


3 mΩ (Max. display 3.100 mΩ, resolution 1 μΩ) to 3 Ω (Max. display 3.100 Ω, resolution 1 mΩ), 4 ranges
Accuracy: ±0.8 % rdg. ±6 dgt. (3 mΩ range: ±1.0 % rdg. ±8 dgt.)
Testing source frequency: 1 kHz ±30 Hz, testing current: 150 mA (3m/30 mΩ range), 15 mA (300 mΩ range), 1.5 mA (3 Ω range), Open-circut Voltage: 5 V peak


Voltage measurement range


± 6 V (Max. display ±6.000 V, resolution: 1 mV) to ± 60 V (Max. display ±60.00 V, resolution: 10 mV), 2 ranges, Accuracy: ±0.08 % rdg. ±6 dgt.


Absolute max. input voltage


60 V DC max. (No AC input)


Sampling rate


1 time/s (at resistance, voltage, and temperature measurement combination)


Comparator functions


Setting: First and second resistance limits, and lower voltage limit, Number of comparator setting: 200 sets
Comparator output: LCD display of PASS, WARNING, or FAIL. (Select beeper to sound on PASS/WARNING or FAIL)


Data storage


Max. storable data: 4800 sets. (Saved items: Date, time, resistance value, voltage value, temperature, comparator setting values, and comparator judgement.)


Other functions


Temperature measurement (-10.0 to 60.0 °C), USB interface (includes dedicated software for transferring data to a PC), Averaging, Zero-adjustment, Hold, Auto-hold, Auto-memory, Auto-power-save, Clock


Power supply


LR6 (AA) Alkaline dry battery ×8, Continuous operating time: 10 h


Dimensions and mass


192 mm (7.56 in) W × 121 mm (4.76 in) H × 55 mm (2.17 in) D, 790 g (27.9 oz) (including batteries)




Pin Type Lead 9465-10 × 1, USB cable ×1, Application software CD × 1, Strap × 1, Instruction manual × 1, Carrying case × 1, Zero adjustment board × 1, LR6 alkaline batteries × 8, Fuse × 1


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