• the shielding locks, which prevent the incorrect connection of the test wires
• wide range, swing. induced [znach]. the display of 4200 numbers
• the high speed of response, the point histogram
• the correspondence to standard IEC1010
• the function of the automatic retention it is maximal of the value of voltage or current and minimum value of the resistance
• Function of checking diodes, retention of values, detection of stress.
• Function of automatic turning off of the nourishment

• 3257 - True RMS
  

Specification

Stress DC	0 - 1000 beside, 5 ranges, the best error: ± 0.5% of IV. ±2 of [e].[m].[r].
Stress AC	0 - 1000 beside, 5 ranges, the best error: ± 1.2% of IV of ±3 of [e].[m].[r].
Frequency characteristics (AC stress)	to 420.0 mV: 50- 100 Hz, 4.2 - 1000 [v]: 50- 500 Hz
Resistance	0-42 M[Om], 6 ranges, the best error: ± 0.7% of IV of ±2 of [e].[m].[r].
Current DC	0 - 10A, 6 ranges, the accuracy: ± 1.5% of IV of ±4 of [e].[m].[r].
Current is THE ACE	0 - 10A, 6 ranges, the best error: ± 2.5% of IV of ±5 of [e].[m].[r].
Frequency characteristics (AC current)	50- 500 Hz
Frequency	0 - 500 kHz, [vkh].[uroven]: 800 mV - 1000 [v] of rms, the accuracy: ± 0.02% of IV of ±1 of [e].[m].[r].
Checking the integrity	50 Ohm ±30 Ohm or is less
Checking the diodes	3.4 V stress beyond the contacts of the test wires
Other functions	Automatic retention of values, the automatic regime of energy-economy, automatic or manual band selection
Display	LCD, swing. induced [znach]. the display of 4200 numbers., max. of 19999 numbers for the frequency, the 42- point histogram
Access time	2.5 times/s. (all regimes), 5 times/s. (frequency), 25 times/s. (histogram)
Nourishment	R03 (AAA) × 2 (continuous use before the flow of 100 hours)
Sizes, the mass	116 mm altitudes × of 76 mm latitude × 33 mm of thicknesses. Mass: 260[g].
Accessories	Test wires 9207-10 (1), movable case 9378 (1) only 3256-50 and 3257-50, rubber housing (1) only 3256-51 and 3257-51