HIOKI 3257-50 / 3257-51 DIGITAL HiTESTER[10 Mar. 2009, 22:29:52]
Keterangan
Terminal shutter interlock mechanism for safety :
- Duty ratio measurement for pulse signal analysis
- Overload protect up to 1000V for all measurement functions
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.
Basic specifications (Accuracy guaranteed for 1 year) :
DC Voltage : 420.0mV to 1000V, 5 ranges (Basic accuracy: ±0.5% rdg. ±2dgt.)
AC Voltage 50 to 500Hz : 420.0mV to 1000V, 5 ranges (Basic accuracy: ±1.2% rdg. ±3dgt. /true RMS rectified, crest factor 3 or less)
Resistance : 420.0& to 42.00M&, 6 ranges (Basic accuracy: ±0.7% rdg. ±2dgt.)
DC Current : 42.00¼A to 420.0mA, 10A, 6 ranges (Basic accuracy: ±1.5% rdg. ±4dgt.)
AC Current 50 to 500Hz : 42.00¼A to 420.0mA, 10A, 6 ranges (Basic accuracy: ±2.5% rdg. ±5dgt. /true RMS rectified, crest factor 3 or less)
Hz (Frequency) : 199.99Hz to 500.0kHz (Basic accuracy: ±0.02% rdg. ±1dgt./Input level: 0.8V to 1000V 4 ranges, minimum frequency 0.50Hz)
Duty ratio measurement : 5 to 95%, Frequency range: 10Hz to 10kHz, (Basic accuracy: ±1.0% rdg. ±15dgt.)
Continuity : Buzzer sounds at a resistance equivalent to or less than 50& ±30& (Open-terminal voltage 3.4V, Diode check possible)
Other functions : Relative value, Memory function, Auto-power save, Hold-auto function, Recording value of maximum, minimum, averaging
Display : Digital LCD, max. 4200 digit, (at frequency 19999 dgt.)
42 segments Bar graph display
Sampling rate : 2.5 times/sec (excluding frequency function), 5 times/sec (at frequency function 5Hz or more), 25 times/sec (bar graph)
Power consumption : AAA manganese (R03) battery × 2, Continuous use: 100 hr
AAA alkaline (LR03) battery × 2, Continuous use: 200 hr
Dimensions, mass : 76mm (2.99 in) W × 167mm (6.57 in) H × 33mm (1.30 in) D, 260g (9.2 oz)
Supplied accessories : TEST LEAD 9207-10 × 1, AAA manganese battery (R03) × 2 (for trial purposes only),
3257-50 only: CARRYING CASE 9378 × 1, 3257-51 only: Holster × 1