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Summary of Contents for Delton 850A
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Page 2: Table Of Contents
TABLE OF CONTENTS 1.Ation safety inform safety symbols........1/6 2.Specifications..............6/17 3.Operation................17/20 4.Battery replacement............20/21 5.Maintenance................21... -
Page 3: Ation Safety Inform Safety Symbols
ATION SAFETY INFORM SAFETY SYMBOLS Warning! Dangerous Voltage (Risk of electric shock). Caution! Refer to the user’s manual before using this Meter. Double Insulation (Protection Class Ⅱ). Alternating Current (AC) Direct Current (DC). Either DC or AC. Ground (maximum permitted voltage between terminal and ground). - Page 4 1.1 Do not operate the meter if the body of meter or the test lead look broken. 1.2 Check the main function dial and make sure it is at the correct position before each measurement. 1.3 Do not perform resistance, capacitance, temperature, diode and continuity test on a live power system.
- Page 5 Refer to table 1 for terminal function Terminal Function Common terminal for all measurement Volts, Ohm, Diode, Freq., Temp. and Cap. V/Ω/Hz Measurement and square wave output terminal Table 1. Terminals Figure1.terminal Rotary switch Position of Function Rotary switch 400A DC&AC Ampere current 2000A DC&AC Ampere current...
- Page 6 Power off Table 2. Rotary switch functions Figure2. Rotary switch Push button Figure3. Push button 1.REL△ ● Pressing this button, the meter enters relative measuring mode, “REL▲” is displayed on the LCD and the present reading becomes the reference value and displayed on the secondary...
- Page 7 display. Relative measurement modes. REL▲=measurement value-Reference value, other REL%=(REL▲/Reference value)×100% (press SELECT to select REL△ or REL% mode).. ● Set up reference value for your measurement. ● select your measurement function and your range. ● Press SET once, then press SELECT twice to select the reference value for a measurement.
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Page 8: Specifications
● In the auto hold mode the meter can display a new value when a new and stable value is on the input and the Beeper will sound. ● Pressing this button for more than 1 seconds, the meter exits the HOLD mode and returns to the normal state. - Page 9 1、 Display: LCD Dual Display, facilitates reads the data.
- Page 10 2、 Clamp Light easy for test the electric current in hidden place.
- Page 11 3、 Leads Cramp in the Clamp easy for fixed one Lead when you need test two separation vertices.
- Page 12 4、 Magnet in the meter back for fixed instruments on metal shelves, Measured convenient operation. -10-...
- Page 13 5、The distributing line device will avoid the dangerous when distributing electrical wire with hands . EMC/LVD. CAT Ⅱ 1000V. Safety standards: The meter is up to the standards of IEC1010 Double Insulation,Pollution Degree2,Overvoltage Category Ⅲ. Operating environment: Temperature 32 to104°F (0°C to 40°C), -11-...
- Page 14 Humidity ≤ 80% RH. Storage environment: Temperature -4 to140°F (-20°C to 60°C), Humidity ≤ 90% RH. Power supply: 9V battery. Dimension: 275(H) x120(W) x 33(D) mm Weight: Approx:540 g (including battery). 2.2 ELECTRICAL SPECIFICATIONS Accuracies are ± ( % of reading + number in last digit ) at 23 ±...
- Page 15 2.2.3 AC Voltage(True RMS/only850A) Accuracy Range Resolution Sensitivity 50-500Hz 500-1KHz 1K-5KHz 5k-10KHz 10K-20KHz ± (1.2% of rdg ± ( 1.5% of rdg ± ( 2% of rdg ± ( 3.5% of rdg ± ( 4.5% of rdg 60mV 0.01mv 50mV +10digits) +10 digits) +10 digits)
- Page 16 2.2.4 DC Current(only850A/850B) Range Accuracy Resolution ± ( 3.0% of rdg+10digits) 400A 0.1A ± ( 3.5% of rdg+20digits) 0-1000 2000A ± ( 5.0% of rdg+30 digits) 1000-2000 Overload protection: 2000A DC or AC rms 2.2.5 AC Current(AVC only850B/850C) Range Accuracy Resolution ±...
- Page 17 2.2.7 Resistance Range Accuracy Resolution 600Ω 0.1Ω 6kΩ 1Ω ± ( 1.2% of rdg+10 digits ) 60kΩ 10Ω 600kΩ 100Ω 6MΩ 1kΩ ± ( 2.5% of rdg+15 digits ) 60MΩ 10kΩ Overload protection: 250V DC or AC rms 2.2.8 Capacitance Range Accuracy Resolution...
- Page 18 Range Description Test condition Display read Forward DC current approximately approx. 0.4mA forward voltage Reversed DC voltage of diode approx. 2.8V Built-in buzzer Open circuit voltage sounds approx. 0.5V resistance is less than 100Ω Overload protection: 250V DC or AC rms 2.2.10 Frequency Range Accuracy...
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Page 19: Operation
0.1% ～ 99.9%: ± (2.0% of rdg+2digits) Frequency lower than 10kHz. Sensitivity: sine wave 0.6V rms Overload protection: 250V DC or AC rms 2.2.12 Temperature Range Accuracy Resolution -20~150℃ ± (3℃+2) -4~302℉ 150~300℃ ± (3% of rdg+2digits) ℃/℉ 1℃/1℉ 302~572℉ 300~1000℃... - Page 20 2) Press “SELECT” key to choose “DC” measurement. 3) Zero the reading by pressing “REL△” key for a reading of zero on the display. 4) Disconnect the test leads from the Meter. 5) Clamp the Jaws around the one conductor to be measured. Center the conductor within the Jaw using the Centering Marks as guides.
- Page 21 2) Set the selector switch to desired “ ” position. 3) Connect tip of the test leads to the points where the value of the capacitance is needed. 4) Read the result from the LCD panel. Note: a) Before testing, discharge the capacitor by shorting its leads together.
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Page 22: Battery Replacement
3.8 Temperature Measurement 1) Connect the black test lead of the sensor to "COM" socket and red test lead to the "VΩHz" socket. 2) Set the selector switch to desired “℃/℉” position. 3) Press “SELECT” key to choose “℃” or “℉”measurement. 4) Put the sensor probe into the temperature field under measurement. -
Page 23: Maintenance
Before changing the battery, set the selector switch to “OFF” position. Open the cover of the battery cabinet by a screwdriver. Replace the old battery with the same type battery. Close the battery cabinet cover and fasten the screw. Caution: Dispose the used batteries according to the rules, which are defined by each community.
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