Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Delton 770E
Summary of Contents for Delton 770E
- Page 1 770E DIGITAL MULTIMETER OPERATOR’S MANUAL...
-
Page 2: Table Of Contents
TABLE OF CONTENTS 1.Overview ..................1 2.Panel Layout................1/2 3. Safety information............... 2 4. Specical cautions for operation........... 2 5.General specifications...............2/3 6.Testing specifications..............3/5 6.1 DC current................3 6.2 AC Voltage (True RMS)............3 6.3 DC current................3 6.4 AC Current (True RMS). -
Page 3: Overview
1. Overview The multimeter is characterized at slim size, portable, stable performance and anti-dropping capacity. Using 40000 counts digit & analogue bar graph LCD monitor with character 16.5mm high, they offer clear readings. With overall circuitry design centering on large-scale IC A/D converters in conjunction and over-load protection circuit, the meters give excellent performance and exquisite making as a handy utility instrument. -
Page 4: Safety Information
HOLD key: Press the “HOLD” key to lock display value, and the “DH” sign will appear ⑩ on the display, press it again to exit. ⑪ MAX/MIN key: Press the “MAX/MIN” key to lock MAX or MIN value, and the “MAX” or “MIN”... -
Page 5: Testing Specifications
5-4 Low Battery Indication: “ ” displayed. 5-5 Max LCD display: 40000 counts digit & analogue bar graph. 5-6 Auto range & Manual range control 5-7 Auto Power Off: When measurement exceeds 15 minutes without switching mode and pressing key, the meter will switch to standby mode. Press any key to exit standby mode. When restart the system, press and hold SELECT key to disable auto power off. -
Page 6: Ac Current (True Rms)
-- Overload protection: 500mA/500V Fast Fuse, 20A/500V Fast Fuse, 20A up to 10 seconds 6-4 AC Current (True RMS) Range Resolution Accuracy 400μA 0.01μA 4000μA 0.1μA ±(1.2% of rdg + 10 digits) 40mA 1μA 400mA 10μA 100μA ±(1.5% of rdg + 10 digits) -- Overload protection: 500mA/500V Fast Fuse, 20A/500V Fast Fuse, 20A up to 10 seconds -- Frequency Range: 40 to 400Hz 6-5 Resistance... -
Page 7: Duty Cycle
-- Overload protection: 500V DC or AC rms 6-8 Duty cycle 0.1%～99.9%: ± ( 2.0% of rdg + 2 digits ), Frequency lower than 10kHz -- Sensitivity: sine wave 0.6V rms -- Overload protection: 500V DC or AC rms 6-9 Temperature Range Accuracy Resolution... -
Page 8: Measuring Dc & Ac Current
7-2-1 Set the rotary switch at the desired “mV ” or “V ” range position, it shows symbol for testing DC voltage, if you want to test AC voltage, push “SELECT” button switch. 7-2-2 Connect the black test lead to COMT- jack and the red to VΩHz jack. 7-2-3 Connect test leads across the source or load under measurement. -
Page 9: Measuring Capacitance
over-range condition. 3. When checking in-circuit resistance, be sure the circuit under test has all power removed and that all capacitors have been discharged fully. 7-5 Measuring Capacitance 7-5-1 Set the rotary switch at the desired “ ” range position. 7-5-2 Connect the black test lead to COMT- jack and the red to VΩHz jack. -
Page 10: Transistor Hfe Test
shows the approx. forward voltage of this diode. 7-8-4 On Audible continuity range, connect the test leads to two point of circuit, if the resistance is lower than approx. 50Ω, the buzzer sounds. NOTE: Make sure the power is cut off and all capacitors need to be discharged under this measurement. -
Page 11: Maintenance
position and remove the test leads from the terminals. Open the cover of the battery cabinet by a screwdriver. 9-3 Replace the old fuse with the same type and rating: 6×30mm 500mA/500V fast fuse or 6×30mm 20A/500V fast fuse. 9-4 Close the cover of the battery cabinet and fasten the screw. 10.
Need help?
Do you have a question about the 770E and is the answer not in the manual?
Questions and answers