UNI-T UT57 Dokumentacja

Table of ContentsA. Your Meter’s FeatureB. SpecificationsC. Making MeasurementsD. MaintenanceE. AccessoriesF. Using HolsterG. Using StrapIntr

C-1 Measuring DC Voltage1) / Button should not be pressed down and LCD should not display “AC” Symbol.2) Connect the black test lead

2) Connect the black test lead to “COM” jack and red test lead to “V” jack.3) Set the rotary switch to “V ”4) Connect the test leads acr

2) If “1” is shown on the LCD, it means the Meter is overloaded, then set the measuring range to higher.3) “” means the maximum input cu

C-5 Measuring Resistance1) Connect the black test lead to “COM” jack and red test lead “Ω”jack.2) Set rotary switch to “Ω”3) Connect the te

C-7 Measuring Frequency1) Connect red test lead to “Hz” jack and black test lead to “COM” jack.2) Set the rotary switch to “kHz”3) Connect

C-10 Auto-Power Off function1) The Meter equips with auto-power off function. It will be in a sleep mode when it has been oprated for 30 m

F. Using HolsterThree different ways to use holster:1) Set holster parallel on the table, do not open the tilt stand (see diagram 1)2) Set ho

Manufacturer: UNI-TREND TECHNOLOGY(DONG GUAN)LIMITEDAddress: Dong Fang Da Dao, Bei Shan Dong Fang Industrial Development District, Hu Me

Safety Rulesl Use the Meter only as specified in this manual, otherwise the protection provided by the Meter may be impaired.l The meter is

l Make sure to use new fuses with proper rating to instead of bad fuses.l To avoid electric shock or damages, do not apply more than 1000V b

A. Your Meter’s Featurel 21 ranges.l Liquid Crystal Display, digit’s height is 21mm .l Overload display “l”.l Maximum display “19999”.l Full rang

B. SpecificationsAccuracy is specified for one year aftercalibration,at operating temeratures 23oC5oC,with relative humidity at<75%.Accuracyspecifi

B-3 Direct Current Current (DC Current)B-4 Alternate Current Current (AC Current)Model UT57: OPERATING MANUAL 6

7B-5 Resistance200Ω2KΩ20KΩ200KΩ2MΩ20MΩ0.01Ω0.1Ω1Ω10Ω100Ω1KΩRange Resolution Accuracy(0.1% +2)(0.1% +5)(0.3% +10)Overload protection: All ranges are

2-7 FrequencyRange Resolution Accuracy20kHz 1Hz (1.0% +20)200kHz 10HzInput sensitivity: 200mV rms,Max Input Scope: 30V rms.Overload

C. Making MeasurementsCaution(1) If there is no display or “ ” is shown on the LCD when the Meter is switched on, replace the battery AS