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FLIR CM55_CM57 USER MANUAL Document Identifier: CM55_CM57-en-US_AD

13

5.4.1 Inrush Current mode

The meter has the ability to capture an inrush current signal using a 100ms sampling window.
The sampling window opens only when the threshold current (see below) is detected.
When detecting an input current ±50 digits of the selected range the meter will calculate the
RMS values for a 100mS period and display this value. Refer to illustration below.



For the 30A range the minimum triggering current threshold is 0.5A



For the 300A range the minimum triggering current threshold is 5.0A



For the 3000A range the minimum triggering current threshold is 50A

1.

Press the INRUSH button to access the Inrush Current mode.

2.

The display will show the Inrush icon

and the display digits will switch to dashes.

3.

The meter then waits for a current signal to exceed the threshold.

4.

When ready, turn on power to the device under test. The meter will capture the highest
reading detected during a 100ms window. Note that the 100ms window does not open until
the minimum triggering current is detected.

5.

To exit the Inrush mode at any time, press any button. The Inrush icon will switch OFF.

Fig. 5-3 Inrush Current

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Содержание CM55

Страница 1: ...USER MANUAL FLIR MODEL CM55 and CM57 FLEX CLAMP METERS with Bluetooth ...

Страница 2: ...Control buttons 10 5 OPERATION 11 5 1 Powering the Meter 11 5 2 Work Lights 11 5 3 Data Hold 11 5 4 AC Current Measurements 12 5 5 Data Recording and Bluetooth Data Transfer 14 5 5 1 Data Recording 14 5 5 2 Meter Identification ID Number 14 5 5 3 Transferring Readings with Bluetooth 15 5 5 4 Streaming Bluetooth Communication 15 6 MAINTENANCE 16 6 1 Cleaning and Storage 16 6 2 Battery Replacement 1...

Страница 3: ...entification only and are the property of their respective owners 1 2 Quality Assurance The Quality Management System under which these products are developed and manufactured has been certified in accordance with the ISO 9001 standard FLIR Systems is committed to a policy of continuous development therefore we reserve the right to make changes and improvements on any of the products without prior...

Страница 4: ...anner not specified by the manufacturer the protection provided by the equipment may be impaired To reduce the risk of fire or electric shock do not expose this product to rain or moisture Verify the meter operation by measuring a known current If in doubt have the meter serviced Do not apply more than the rated voltage current as marked on the meter To avoid false readings that can lead to electr...

Страница 5: ...other symbol indicates the user must refer to the manual for further information Do not apply or remove clamp from HAZARDOUS LIVE conductors Equipment protected by double or reinforced insulation Battery symbol Conforms to EU directives Do not discard this product in household trash AC measurement Earth ground Agency Approvals UL listing is not an indication or a verification of the accuracy of th...

Страница 6: ...ce will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Con...

Страница 7: ...wo conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device CAUTION Exposure to Radio Frequency Radiation To comply with RSS 102 RF exposure compliance requirements for mobile configurations a separation distance of at least 20 cm must be maintained between the antenna of this device a...

Страница 8: ...th Auto Power OFF Data Hold Display backlight and high power Work Light features These meters are shipped fully tested and calibrated and with proper use will provide years of reliable service 3 1 Key Features 3000A AC True RMS Current Measurements Convenient Flexible Clamp with locking mechanism 0 3 7 5mm coil diameter for measuring in tight spaces Auto ranging 3000 count large scale backlit LCD ...

Страница 9: ...Description 1 Work Lights 2 Flexible Current Clamp Coil 3 Display 4 INRUSH REC Record button 5 Power Work Light button 6 RANGE SEND button 7 HOLD Start Stop Record Bluetooth button 8 Clamp Lock mechanism Note that battery compartment is located on the back of the meter Fig 4 1 Meter Description ...

Страница 10: ...USH mode Press and hold to access the Record Memory mode Momentary presses step through the ranges manually Press and hold while in manual range mode to return to Auto range Press and hold to Send data via Bluetooth Momentary press to access the Data Hold mode Press and hold to activate deactivate Bluetooth communication While in Record mode momentary press to Pause Resume Press and hold to switch...

Страница 11: ... automatically Note that the next time the meter is powered up the APO function will be re enabled and the user must repeat the APO disable instructions to disable this function When APO is active the APO icon appears on the display APO active is the default condition 5 1 2 Low Battery Indication When the displayed battery icon appears empty and flashing or if the meter does not power up the batte...

Страница 12: ...be see diagram below for Correct and Incorrect usage 4 Re secure the clamp lock 1 after clamping around a single conductor 5 Do not attempt to measure current higher than the specified current limit 6 Switch the meter ON and then switch power to the device under test ON Never move fingers above the display area when running a test 7 Read the current value in the display OL will display if the meas...

Страница 13: ...threshold is 0 5A For the 300A range the minimum triggering current threshold is 5 0A For the 3000A range the minimum triggering current threshold is 50A 1 Press the INRUSH button to access the Inrush Current mode 2 The display will show the Inrush icon and the display digits will switch to dashes 3 The meter then waits for a current signal to exceed the threshold 4 When ready turn on power to the...

Страница 14: ... The display digits will show the measured reading 3 Note that after one 1 start and stop cycle stored data is erased when a new data recording session is started 4 To transfer all of the stored readings in one bulk data dump or to data stream in real time over Bluetooth please refer to the following sections 5 Press the REC button 2 seconds to exit the Data Recording Mode 6 Note that Data Recordi...

Страница 15: ...entage shown is the percentage of data transmitted All data is transferred when 100 is shown Press the SEND button at any time to cancel the transmission RANGE mode is inactive during data transmission 5 Once all data is transferred 100 displayed press the SEND button to return to the main display 5 5 4 Streaming Bluetooth Communication To stream real time readings over Bluetooth 1 Press and hold ...

Страница 16: ...before opening the battery compartment 1 With a Phillips screwdriver remove the battery compartment screw on the back of the meter 2 Remove the battery compartment cover 3 Replace the 2 AAA 1 5V batteries observing correct polarity 4 Re attach the battery compartment cover 5 Secure the compartment cover with the Phillips head screw 6 2 1 Disposal of Electronic Waste As with most electronic product...

Страница 17: ...0A 300 0A 50A 3000A Sampling period 100ms Operating Temperature 32 122 F 0 50 C Operating Humidity Max 80 up to 95 F 35 C decreasing linearly to 60 at 113 F 45 C Storage Temperature 4 140 F 20 60 C without batteries Storage Humidity 80 RH maximum Temperature Coefficient 0 2 x specified accuracy C 64 5 F 18 C 82 4 F 28 C Altitude Maximum operating altitude 6562 2000m Battery Two AAA 1 5V batteries ...

Страница 18: ...ys 0 counts when the reading is 10 counts ACA specifications are AC Coupled True RMS For non sinusoidal waveforms additional accuracy Crest Factor C F considerations exist as detailed below Add 3 0 for C F 1 0 2 0 Add 5 0 for C F 2 0 2 5 Add 7 0 for C F 2 5 3 0 Position Error of Clamp Accuracy and position error assumes centralized primary conductor at optimum position center of clamp jaw no exter...

Страница 19: ...mail TMSupport flir com Service Repair Support Email Repair flir com Support Telephone number 1 855 499 3662 option 3 toll free 9 Warranty 9 1 FLIR Global Limited Lifetime Warranty The product is protected by the FLIR Global Limited Lifetime Warranty Visit www flir com testwarranty to read the Warranty document Register your product at the website to receive a free 1 year warranty extension ...

Страница 20: ...ustomer Support Technical Support Website http support flir com Technical Support Email TMSupport flir com Service and Repair Email Repair flir com Customer Support Telephone 1 855 499 3662 option 3 toll free Publication Identification No CM55_CM57 en US Release Version AD Release Date 2018 September Language en US ...

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