Extech Instruments EX623 Скачать руководство пользователя

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EX623 V2.2 07/08

Support line (781) 890-7440

Technical support: Extension 200; E-mail: [email protected]

Repair & Returns: Extension 210; E-mail: [email protected]

Product specifications subject to change without notice

For the latest version of this User’s Guide, Software updates, and other

up-to-the-minute product information, visit our website: www.extech.com

General Specifications

Clamp jaw opening

1.25" (32mm) approx.

Display

Dual 40,000/4,000 count backlit LCD

Continuity check

Threshold 50

; Test current < 0.5mA

Diode test

Test current of 0.3mA typical;

Open circuit voltage

[

2.8VDC typical

Low Battery indication

Battery symbol is displayed

Over-range indication

‘OL’

display

Measurement rate

2 readings per second, nominal

Peak detector

>1ms

Thermocouple sensor

Type K thermocouple required

Fuse

500mA, ceramic fast blow

IR Spectral response

6 to 16µm (models EX622 and EX623)

IR Emissivity

0.95 fixed (models EX622 and EX623)

IR distance ratio

8:1 (models EX622 and EX623)

Laser pointer

Class 2 laser < 1mW power; Wavelength is 630 to 670nm

Input Impedance

10M

(VDC and VAC)

AC bandwidth

50 to 400Hz (AAC and VAC)

AC response

True rms (AAC and VAC)

Crest Factor

3.0 in 40A and 400A ranges, 1.4 in 1000A range (50/60Hz
and 5% to 100% of range)

Operating Temperature

F to 104

F (5

C to 40

Storage Temperature

-4

F to 140

F (-20

C to 60

Operating Humidity

Max 80% up to 87

F (31

C) decreasing linearly to 50% at

104

F(40

Storage Humidity

<80%

Operating Altitude

7000ft. (2000meters) maximum.

Battery

One (1) 9V Battery (NEDA 1604)

Auto power OFF

After approx. 30 minutes, with disable

Dimensions & Weight

9.5x3.8x1.75” (241x96x44.5mm); 13.6 oz. (386g)

Safety

For indoor use and in accordance with the requirements for
double insulation to IEC1010-1 (2001): EN61010-1 (2001)
Overvoltage Category III 600V and Category II 1000V,
Pollution Degree 2

Approvals

CE,

Patent notice

U.S. Patent 7163336

Copyright

2008 Extech Instruments Corporation (a FLIR company)

Содержание EX623

Страница 1: ...User s Guide 400Amp True RMS AC DC Clamp Meter with IR Thermometer Model EX623 Patented ...

Страница 2: ...t in death or serious injury This CAUTION symbol indicates a potentially hazardous situation which if not avoided may result damage to the product PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY I Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level Note Examples in...

Страница 3: ...acing 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 voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard Always discharge capacitors and remove power from the device under test before performing Dio...

Страница 4: ...6 Non Contact Voltage Detector 17 NCV LED indicator 18 Input shutter Display icons Description HOLD Data Hold APO Auto Power Off AUTO Autoranging P Peak Hold DC Direct Current AC Alternating Current MAX Max reading MIN Min reading Low battery ZERO DCA or CAP zero mV or V Milli volts or Volts Voltage Ω Ohms Resistance A Amperes Current F Farad Capacitance Hz Hertz Frequency Duty Ratio o F and o C F...

Страница 5: ...couple temperature measurements Non Contact Voltage Detector WARNING Risk of Electrocution Before use always test the Voltage Detector on a known live circuit to verify proper operation 1 Rotate the Function switch to any measurement position 2 Place the detector probe tip on the conductor to be tested 3 If AC voltage is present the NCV detector light will turn on with a steady red light NOTE The ...

Страница 6: ...e offset value is now stored and removed from all measurements Frequency When ACV is selected the measured frequency can be viewed in the lower display AC DC Voltage Measurements CAUTION Do not measure voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Slide the input shutter to the up position 2 Rotate the function switch to t...

Страница 7: ... resistance measurements 2 Press the MODE button to select continuity 3 Touch the test probe tips across the circuit or component under test 4 If the resistance is 50Ω a tone will sound Diode Test 1 Connect as described for resistance measurements 2 Press the MODE button to select diode test 3 Touch the test probe tips to the diode or semiconductor junction under test Note the meter reading 4 Reve...

Страница 8: ...Note The Zero feature removes stray test lead capacitance to improve the accuracy of low value capacitance measurements To perform a zero Press and hold the MODE ZERO button for two beeps The display will zero The offset value is now stored and is removed from all measurements Frequency and Duty Ratio Measurements 1 Slide the input shutter to the up position 2 Rotate the function switch to the Hz ...

Страница 9: ...f the break Touch the red test probe tip to the positive side of the break 7 Turn circuit power on 8 Read the current value in the display Type K Temperature Measurements 1 Slide the input shutter to the down position 2 Rotate the function switch to the TYPE K temperature position 3 Press the MODE button to select F or C 4 Insert the Temperature Probe s into the T1 and or T2 type k sockets 5 Place...

Страница 10: ...rectly view or direct the laser pointer at an eye Low power visible lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time IR Spot to Distance Diagram The 8 1 spot to distance ratio determines the size of the measured surface area with respect to the distance the meter is held away from the surface IR Measurement Notes 1 Th...

Страница 11: ...ring that a range be manually selected perform the following 1 Press the RANGE button The AUTO display icon will turn off 2 Press the RANGE key to step through the available ranges Observe the decimal point and units displayed until the preferred range is located 3 To exit the Manual Ranging mode and return to Autoranging press and hold the RANGE key for 2 seconds LCD Backlight The LCD is equipped...

Страница 12: ... for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This...

Страница 13: ...400 0 VAC 0 1V AC Voltage 50 60 Hz True RMS 600 VAC 1V 2 0 5 digits 400 00 mVDC 0 01mV 4 0000 VDC 0 0001V 40 000 VDC 0 001V 400 00 VDC 0 01V 0 1 2 digits DC Voltage 600 0 VDC 0 1V 1 0 2 digits 400 00Ω 0 01Ω 0 8 20 digits 4 0000kΩ 0 0001kΩ 40 000kΩ 0 001kΩ 400 00kΩ 0 01kΩ 4 0000MΩ 0 0001MΩ 0 8 4 digits Resistance 40 000MΩ 0 001MΩ 2 5 10 digits 400 00nF 0 01nF 5 0 40 digits 4000 0nF 0 1nF 3 0 10 dig...

Страница 14: ...1 1 2 2 digits Duty Cycle Pulse width 100μs to 100ms Frequency 5Hz to 150kHz 58 to 4 F 50 to 19 C 13 F 7 C 4 to 31 F 20 to 1 C 1 0 2 F 1 C 32 F 0 C 2 F 1 C 33 to 211 F 1 to 100 C 1 0 2 F 1 C 212 to 718 F 101 to 399 C 1 5 3 F 2 C 719 to 1832 F 400 to 1000 C 0 1 1000 1 1000 2 5 7 F 4 C Temperature Type K Specification does not include probe accuracy 58 to 4 F 50 to 20 C 9 F 5 C 4 to 31 F 20 to 1 C 2...

Страница 15: ...odels EX622 and EX623 IR distance ratio 8 1 models EX622 and EX623 Laser pointer Class 2 laser 1mW power Wavelength is 630 to 670nm Input Impedance 10MΩ VDC and VAC AC bandwidth 50 to 400Hz AAC and VAC AC response True rms AAC and VAC Crest Factor 3 0 in 40A and 400A ranges 1 4 in 1000A range 50 60Hz and 5 to 100 of range Operating Temperature 41 F to 104 F 5 C to 40 C Storage Temperature 4 F to 1...

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