Hioki Digital Hitester 3255-50

Industrial-Grade DMM with Clamp Sensor Terminals for Optimal Safety and IP54 Protection

The 3255-50 is an industrial-grade digital multimeter with a built-in current-limiting resistor and 1000 V withstanding fuse to prevent short-circuit accidents.

Built-in with current-limiting resistor and 1000 V withstanding fuse to prevent short-circuit accidents
• Polarized terminal design prevents incorrect insertion of test leads
• Dust-proof and water-proof structure prevents dust and moisture from entering the product (IP54)
• Measure AC load current with optional Clamp On Probes

■ Basic specifications (Accuracy guaranteed for 1 year)

Regarding DMM Accuracy
Due to the many ranges and functions available in a DMM, only the basic accuracy is indicated for reference. Please refer to the individual catalogs for detailed accuracy information.

DC voltage 419.9 mV to 1000 V, 5 ranges, Basic accuracy: ±0.5% rdg. ±4dgt.
AC voltage 50 to 500Hz 419.9 mV to 1000V, 5 ranges, Basic accuracy: ±1.2% rdg. ±4 dgt. (Average rectified)
Resistance 419.9 Ω to 41.99 MΩ, 6 ranges, Basic accuracy: ±0.7% rdg. ±4 dgt.
AC current 50 to 500Hz Use with optional Clamp-on probes, Display the actual current value by scaling the sensor's 0.2 VAC f.s. output. Basic accuracy: ±2.0 % rdg. ±4 dgt. plus clamp-on probe's accuracy
Continuity buzzer Threshold 50 Ω ± 40 Ω or less, Open terminal voltage: 3.4 V or less
Diode check Open terminal voltage: 3.4 V or less, Testing current 850 μA or less
Auto power save Yes (Cancel possible)
Display Digital LCD, max. 4199 digits
Sampling rate 2.5 times/s
Other functions Hold auto
Protection rating IP 54 (EN 60529)
Protection structure Protected against internal short-circuit with protective resistor (5 Ω current-limiting resistor) and built-in 0.44 A fuse (1000 VAC/10 kA interrupting capacity)
Power supply R03 (AAA) manganese battery ×2, Continuous use: 200 hours
LR03 (AAA) alkaline battery ×2, Continuous use: 500 hours
Dimensions and mass 70 mm (2.76 in) W × 145 mm (5.71 in) H × 31 mm (1.22 in) D, 210g (7.4 oz) (including batteries)
Accessories Instruction manual ×1, R03 (AAA) Manganese batteries ×2 (for trial purposes only), Test Lead L9207-10×1, Carrying case 9371 ×1

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