Extech Instruments 700 Series Скачать руководство пользователя страница 4

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EX700 Series Version 3.0 1/05

Description

Meter Description

(EX730 pictured)

1. Current

clamp

Clamp opening trigger

3. Control

buttons:

Data

Hold

Mode

Peak

Backlight

DCA Zero (EX730 only)

Backlit LCD Display

COM

negative input jack for black test lead

Rotary function switch

V·

Ω

·CAP·TEMP·Hz·

positive input jack for red

lead

Display icons Description

HOLD Data

Hold

Minus sign

Negative reading display

0 to 3999

Measurement display digits

DC ZERO

DCA Zero (Model EX730 only)

PEAK Peak

capture

AUTO

Auto Range mode

DC/AC

Direct Current / Alternating Current

BAT Low

battery

mV or V

Milli-volts or Volts (Voltage)

Ω

Ohms

(Resistance)

A Amperes

(Current)

F Farad

(Capacitance)

Hz Hertz

(Frequency)

F and

Fahrenheit and Celsius units (Temperature)

n, m,

, M, k

Unit of measure prefixes: nano, milli, micro, mega, and kilo

•

))) Continuity

test

Diode test

3
4

Содержание 700 Series

Страница 1: ...User s Guide Extech 700 Series 800 Amp Clamp Meters EX710 AC Clamp meter EX720 True RMS AC Clamp meter EX730 AC DC True RMS Clamp meter ...

Страница 2: ...ent Clamp meter EX720 True RMS AC Current Clamp with Temperature EX730 True RMS AC DC Current Clamp with Temperature DC zero function In addition to the parameters shown above in the individual model list all models measure AC DC Voltage Resistance Capacitance Frequency Continuity Diode The Extech 700 Series features Auto Power OFF Data Hold Peak Hold Backlit LCD display ...

Страница 3: ... CAUTIONS Improper use of this meter can cause damage shock injury or death Read and understand this user manual before operating the meter Always remove the test leads before replacing the battery or fuses Inspect the condition of the test leads and the meter itself for any damage before operating the meter Repair or replace any damage before use Use great care when making measurements if the vol...

Страница 4: ...ed lead Display icons Description HOLD Data Hold Minus sign Negative reading display 0 to 3999 Measurement display digits DC ZERO DCA Zero Model EX730 only PEAK Peak capture AUTO Auto Range mode DC AC Direct Current Alternating Current BAT Low battery mV or V Milli volts or Volts Voltage Ω Ohms Resistance A Amperes Current F Farad Capacitance Hz Hertz Frequency o F and o C Fahrenheit and Celsius u...

Страница 5: ...rue RMS on EX720 EX730 600V AC 2 5 8d 2 0 5d 2 0 5d 400 0mV DC 0 8 2d 0 8 2d 0 8 2d 4 000V DC 40 00V DC 400 0V DC 1 5 2d 1 5 2d 1 5 2d DC Voltage 600V DC 2 0 2d 2 0 2d 2 0 2d 400 0Ω 1 0 4d 1 0 4d 1 0 4d 4 000kΩ 40 00kΩ 400 0kΩ 1 5 2d 1 5 2d 1 5 2d 4 000MΩ 2 5 3d 2 5 3d 2 5 3d Resistance 40 00MΩ 3 5 5d 3 5 5d 3 5 5d 4 000nF 5 0 30d 5 0 30d 5 0 30d 40 00nF 5 0 20d 5 0 20d 5 0 20d 400 0nF 4 000µF 40 ...

Страница 6: ... thermocouple Input Impedance 10MΩ VDC and VAC AC bandwidth 50 to 400Hz AAC and VAC AC response True rms AAC and VAC on EX720 EX730 Crest Factor 3 0 in 40A and 400A ranges 1 4 in 800A range 50 60Hz and 5 to 100 of range Operating Temperature 41 o F to 104 o F 5 o C to 40 o C Storage Temperature 4 o F to 140 o F 20 o C to 60 o C Operating Humidity Max 80 up to 87 o F 31 o C decreasing linearly to 5...

Страница 7: ...highest range then move to the lower ranges if necessary 2 Use the MODE button to select AC or DC EX730 only 3 Press the DC ZERO button to zero the meter display EX730 DC only 4 Press the trigger to open jaw Fully enclose only one conductor For optimum results center the conductor in the jaw 5 The clamp meter LCD will display the reading AC DC Voltage Measurements 1 Insert the black test lead into...

Страница 8: ...cross the part under test If dISC appears in the display remove and discharge the component 4 Read the capacitance value in the display 5 The display will indicate the proper decimal point and value Note For very large values of capacitance measurement it can take several minutes before the final reading stabilizes Frequency Measurements 1 Insert the black test lead banana plug into the negative C...

Страница 9: ...function switch to the position 3 Use the MODE button to select continuity The display icons will change when the MODE button is pressed 4 Touch the test probe tips across the circuit or component under test 5 If the resistance is 40Ω a tone will sound Diode Test 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the V Ω CAP TEMP Hz positive ...

Страница 10: ...the display to stabilize 4 Press and Hold the PEAK button until CAL appears in the display This procedure will zero the range selected 5 Press the PEAK button Pmax will display 6 The display will update each time a higher positive peak occurs 7 Press the PEAK button again Pmin will display The display will now update and indicate the lowest negative peak 8 To return to normal operation press and h...

Страница 11: ... or solvents If the meter is not to be used for 60 days or more remove the battery and store it separately Battery Replacement 1 Remove the Phillips head screw that secures the rear battery door 2 Open the battery compartment 3 Replace the 9V battery 4 Secure the battery compartment Temperature Probe Replacement The replacement bead wire probe with banana plug connectors is Part Number TP873 Note ...

Страница 12: ... charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be l...

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