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Large number works of computing and storage can be accomplished in meter cloud server, and
the user's business computing can be added and deleted through the network, therefore, mobile
can break through the limit of software function, computing power, storage capacity to achieve
the powerful calculation and storage function as a mainframe.

The meter function with Meterbox is operating same as a traditional meter. When use all sorts of
these professional meters, users can feel familiar as using his own mobile.
The meter communicates with Meterbox via Bluetooth. Power on the meter, and open meter
Bluetooth, the meter enters into Bluetooth communication mode. When the mobile Meterbox is
correct matching with the meter and connecting successfully, the cloud meter is in your hand.

Meterbox support various measuring meter. To connect the meter, Meterbox have to enter the
meter’s selection interface, users choose the meter they are using.

d. Meter Cloud Computing:

1.

.

Meter Operation

2 Meter Connection

59

Meterbox User’s Guide

Содержание DT-9989

Страница 1: ...ead this manual before switching the unit on Important safety information inside True RMS Multimeter Oscillometer User Manual Meterbox User s Guide MODEL DT 9989 MODEL DT 9989 Meterbox www cem instrum...

Страница 2: ......

Страница 3: ...aintenance Appendix 2 Specifications True RMS Multimeter Oscilloscope Section 4 Feature 5 6 General Specification 6 6 7 8 11 30 32 37 40 42 51 52 54 55 57 Meterbox User s Guide 1 Meter Operation 2 Met...

Страница 4: ......

Страница 5: ...Please read this manual before switching the unit on Important safety information inside www cem instruments com True RMS Multimeter MODEL DT 9989 MODEL DT 9989...

Страница 6: ...E CATEGORY I is equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level Examples include protected electronic circuits WARNING...

Страница 7: ...connect the meter leads across a voltage source while the function switch is in the current resistance or diode mode Doing so can damage the meter discharge filter capacitors in power supplies and dis...

Страница 8: ...ction selected using the rotary switch navigate menus or control power to Meter circuits Selects sub functions and modes related to the rotary switch function select an item in a menu adjust display c...

Страница 9: ...l Bar graph Analog display of the input signal See the Bar Graph section for more information Minus sign Indicates a negative reading Indicates the range the Meter is in and the ranging mode auto or m...

Страница 10: ...ntinuity measurements Temperature measurements AC DC and AC DC amps measurements AC DC and AC DC milliamps measurements AC DC and AC DC microampere measurements up to 5 000 A 4 6 Understanding the Rot...

Страница 11: ...ert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive V jack 3 Read the voltage in the display 5 1 DC Voltage Measurements CAUTION CAP H...

Страница 12: ...rcuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch to the green VAC position 2 press the soft key labeled Menu Move the menu selector...

Страница 13: ...o the positive V jack 4 Read the voltage in the main display and the dBm in the Secondary display 5 To select another reference value press the softkey labeled Ref to display a message box with the cu...

Страница 14: ...enu selector to the menu item labeled mVDC mVAC Press the soft key mVDC mVAC 3 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive...

Страница 15: ...to set the temperature offset 2 press the soft key labeled Menu Move the menu selector to the menu item labeled TEMP Press the soft key TEMP C or F 3 4 5 5 7 Frequency Measurements 1 Set the function...

Страница 16: ...s 1 Set the function switch to the green J CAP position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive ack 3 Read the resist...

Страница 17: ...tor to the menu item labeled Beeper Press the soft key Beeper 3 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive jack 4 If the r...

Страница 18: ...jack and the red test lead banana plug into the positive V jack 5 Forward voltage will typically indicate 0 400 to 3 200V Reverse voltage will indicate OL Shorted devices will indicate near 0V and an...

Страница 19: ...2 Press the soft key labeled Menu Move the menu selector to the menu item labeled Cap Press the soft key Cap 3 Insert the black test lead banana plug into the negative COM jack Insert the red test le...

Страница 20: ...rent measurements up to500mA DC set the function switch to the yellow mA position and insert the red test lead banana plug into the A mA jack 4 For current measurements up to 10A DC set the function s...

Страница 21: ...mA AC set the function switch to the yellow mA position and insert the red test lead banana plug into the A mA jack 4 For current measurements up to 20A AC set the function switch to the yellow 10A po...

Страница 22: ...flect the available functions and or modes available for the selection menu item While operating the Meter more information about a selected function a front panel button or a menu item may be necessa...

Страница 23: ...rds the new value The Meter stores the elapsed time since the recording session was started at the same time The MAX MIN mode also calculates an average of all readings taken since the MAX MIN mode wa...

Страница 24: ...essing Rel causes the Meter to turn off relative and display relative percent The Meter is equipped with an ac low pass filter When measuring AC voltage press the softkey labeled Menu to open the func...

Страница 25: ...direction press the softkey labeled Delete to delete stored records Press Close to return to normal Meter operation Viewing data stored in the Meter s memory is performed through the save menu Press t...

Страница 26: ...y The percentage of memory available at the beginning of a recording session is displayed below the duration and sample interval settings To change either of the two recording variables use the cursor...

Страница 27: ...isplayed Press the softkey labeled Setup to access the setup menu Using the cursor buttons move the menu selector next to the menu item labeled Instrument and press the softkey labeled Enter to open t...

Страница 28: ...Press the softkey labeled Setup Position the menu selector next to the menu item labeled Format Using thecursor buttons move the menu selector next to the menuitem labeled Numeric Date Time format pre...

Страница 29: ...urn counterclockwise 3 Remove the fuse by gently prying one end loose then sliding the fuse out of its bracket 4 Install only specified replacement fuses 5 Reinstall the battery door assembly and secu...

Страница 30: ...tely on non sine wave or distorted signals True rms meters read accurately on either type of signal 50Hz to 100000Hz 3 at full scale up to 500V decreasing linearly to 1 5 at 1000V 50 000 count backlit...

Страница 31: ...lation per EN61010 1 and IEC61010 1 2nd Edition 2001 to Category IV 600V and Category III 1000V Pollution Degree 2 The meter also meets UL 61010 1 2nd Edition 2004 CAN CSA C22 2 No 61010 1 2nd Edition...

Страница 32: ...000V All AC voltage ranges are specified from 5 of range to 100 of range Resolution 0 001mV 0 01mV 0 0001V 0 001V 0 01V 0 1V Accuracy z z z 50 to 10000Hz 50 60H 0 3 25 1KH 0 5 25 5KH 3 25 Function AC...

Страница 33: ...500 A 5000 A 50mA 500mA 10A 20A 30 sec max with reduced accuracy All AC current ranges are specified from 5 of range to 100 of range Resolution 0 01 A 0 1 A 0 001mA 0 01mA 0 001A Accuracy z z z 50 to...

Страница 34: ...o 28 C 65 to 83 F Function Resistance Range 50 500 5k 50k 500k 5M 50M 1 2 Resolution 0 001 0 01 0 0001k 0 001k 0 01k 0 001M 0 001M Accuracy 0 5 20 0 05 10 0 05 10 0 1 10 0 2 20 2 20 Function Capacitan...

Страница 35: ...RMS Resolution 0 001Hz 0 01Hz 0 0001kHz 0 001kHz 0 01kHz 0 0001MHz 0 001MHz 0 01 0 001kHz Accuracy 0 01 10 0 5 reading Function Duty Cycle Range 0 1 to 99 90 Pulse width 100 s 100ms Frequency 5Hz to 1...

Страница 36: ...True RMS Multimeter...

Страница 37: ...Please read this manual before switching the unit on Important safety information inside MODEL DT 9989 MODEL DT 9989 www cem instruments com Oscilloscope Section...

Страница 38: ...ple Temperature It can store and recall data It features a waterproof rugged design for heavy duty use Proper use and care of this meter will provide many years of reliable service Brand new design co...

Страница 39: ...the test procedure please don t touch bare contacts or components Check all the terminal ratings In order to prevent danger of fire and electrical shock please check all the ratings and notes of this...

Страница 40: ...as reference Waterproof function can be used in mobile state This section presents how to accomplish the following works Get the general knowledge of front panel and user interface of Digital Oscillo...

Страница 41: ...pe to signal source Various AC signal can be adopted including 110V 220V AC power 3 Press AUTO Corresponding frequency and peak 1 2 Brief function examination 1 3 Probe and connector 1 3 1 Safety of p...

Страница 42: ...iciently user needs to know the following functions Interface and buttons Connector and probe Settings of system Vertical system Horizontal system Trigger system Signal capture system Display system M...

Страница 43: ...tion keys part two indicates quick start use Press F1 HELP enter into help section Press F4 quit from help section 1 Digital Oscilloscope can adjust relative trigger mode according to input signal 2 S...

Страница 44: ...ation ratio that is preselected frequency xxV div of adjusting input end after start up presents the status of last shutdown While selecting DC coupling as direct current exist in waveform it may turn...

Страница 45: ...will not be accurate If channel coupling mode is DC user can measure DC component of signal by observing the difference between waveform and signal ground If coupling mode is AC DC component is filter...

Страница 46: ...In this case if the cycle is integer frequency values of YT waveform are the same at the beginning and the end the waveform may not be interrupted However if the YT waveform cycle is not integer frequ...

Страница 47: ...s of numbers press REC the oscilloscope may continuously take data sample of 10 pages for measurement analysis Time base the oscilloscope takes sample of input signal values at discontinuous points to...

Страница 48: ...tude can be observed to judge whether it s 0 8V or not By calculating relevant primary and secondary scale division then multiplying by proportion factor simple measurement can be taken For example if...

Страница 49: ...sult appears on the bottom see picture 2 11 3 In order to clearly observe some serial signals as UART IIC record mode can be used Press REC the device captures and records signals after the records re...

Страница 50: ...position F1 Memory rest steps same as 1 Press F4 back to turn back to flip operation interface of record state press REC to quit 3 Store FFT displayed waveform into device Press F4 FFT HOLD F1 Save se...

Страница 51: ...moment the oscilloscope auto searches most of the displayed signals User can take manual adjustment on this basis until the displayed waveform satisfies user s needs Note the oscilloscope displays cor...

Страница 52: ...fying circuit after Fast Fourier Transform 5 Adjust the input signal source of amplifying circuit observe FFT 6 Press F2 or F3 to adjust position of red cursor read corresponding frequency and amplitu...

Страница 53: ...ing edge waveform can not stabilize in no trigger state 3 Try to change button weak signal is vulnerable to be interfered and emits unstable waveform Normal phenomenon Level time base gear may not be...

Страница 54: ...e device by following steps 1 Wipe dust of external part of the device and probe with soft cloth While cleaning the LCD screen pay attention not to scratch the transparent plastic protection screen 2...

Страница 55: ...luetooth transmission rage Li ion battery Main specification 3 5 color TFT LCD 320 X 240 pixels 15 50 V S 10MHz Coupling AC DC 1000C CA 1M 2 15pF 2pF 1000V 600V DC AC peak value 1M input impedance 1X...

Страница 56: ...Oscilloscope Section...

Страница 57: ...Meterbox User s Guide Meterbox www cem instruments com...

Страница 58: ...h end meters do Meanwhile it makes the complex measuring work like playing games free and relaxed Provide the meter measuring panel Display real time measuring curve Review historical data Statistical...

Страница 59: ...ter When use all sorts of these professional meters users can feel familiar as using his own mobile The meter communicates with Meterbox via Bluetooth Power on the meter and open meter Bluetooth the m...

Страница 60: ...Function Selection interface will be shown after choosing the right meter Click the meter enter into Bluetooth mode Meterbox will match with Bluetooth 60 Meterbox User s Guide...

Страница 61: ...Meter 3 Measurement Mode Meterbox Cloud Meter supports the following measurement mode Local meter measuring Cloud meter measuring In Login interface users click Login to enter Cloud meter measuring w...

Страница 62: ...x enter into cloud mode remote cloud sever will be connected then a powerful meter cloud system is created Data measured by the meter will transmit to the meter cloud sever in real time to storage and...

Страница 63: ...ord data please enter the Meterbox s interface Click the meter will connect with mobile via Bluetooth measured data could transmit to Meterbox data display interface in real time Function Selection 63...

Страница 64: ...erminate data recording re click the meter data recording completed In local mode data stored in cell phone while in cloud mode data transmit to meter cloud sever in real time When in real time measur...

Страница 65: ...to do kinds of business analysis conveniently In statistical interface users can check the detail mathematical statistics information of the measured data including sampling point sampling rate Min Ma...

Страница 66: ...the data file will shown icon indicate the data have not synchronized in the meter cloud sever on the contrary the front of the data file shown icon which measured by cloud mode indicate the data have...

Страница 67: ...box also convenient for collecting users ideas and expectations to let them participate in our product design Demo Mode includes an account a password and the measured data for presentation The accoun...

Страница 68: ...Nanshan Shenzhen China P C 518108 www cem instruments com SHENZHEN EVERBEST MACHINERY INDUSTRY CO LTD Rev 111213...

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