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MT-1/WT3 User Guide 

Page • 

25 

 

Connecting to the MT-1/WT3 

This section explains how to connect with a WT3 over WiFi for a quick start, for more 
detailed  information  please  refer  to  the  Probewell  Connect  for  WT  series 
documentation. 

Setting up connection 

First, power up the MT-1/WT3 with the ON/OFF switch. 

Probewell Connect for IOS and Android 

Start the application on your mobile device 

How to get the app:  
For iOS: Go to the Apple App Store 
For Android: Go to Google Play Store 
Search for Probewell Connect 

Scan QR for a first use or select known socket SSID. 

For a Probewell Connect for Windows 10

1

 

Go to Windows Settings 

Select 

Network & Internet

 

Click on 

Show available networks

 

Scroll down at the end of the list, select 

Hidden Network or Other Network

. 

Enter the SSID written under the QR code on the side of the socket: PW-WT3-{serial 
Number}-AP. 

Wait to be connected to the socket. 

Note

 

When the procedure was done once, the SSID will be accessible 
directly for the network list. 
 
The Probewell Connect for Windows is downloadable from our 
web site. 
 
(

https://probewell.com/pw-connect/

) 

Running the application 

Please refer to the 

Probewell Connect User’s guide

. 

 

 

 

 

1

 We recommend Windows 10; other versions are not being tested 

Содержание MT-1/WT3

Страница 1: ...MT 1 WT3 USER GUIDE HIGH ACCURACY THREE PHASE WIRELESS WATTHOUR METER TESTER...

Страница 2: ...UCTION BOOK BE READ THOROUGHLY BEFORE PUTTING THIS PRODUCT INTO SERVICE Copyright 2020 by Probewell Lab Inc Printed in Canada All rights reserved including those to reproduce this manual or parts ther...

Страница 3: ...ermission from Probewell This warranty does not apply if the product has been damaged by accident abuse misuse or misapplication nor as a result of service to the product by anyone other than Probewel...

Страница 4: ...er 30 Example 3 Tracking Test 12S N meter 31 Example 4 Custom Test 2S electromechanical meter 33 Example 5 kW Demand Test Electromechanical 14S meter 35 Example 6 Full Test Solid state 8S Fitzall mete...

Страница 5: ...Y 3CT 64 Form 6S 36S 46S Fitzalltm Y 3CT 2PT 65 Form 8S 4 3CT 66 Form 9S 4 3CT 67 Form 9S Y 3CT 68 Form 9S Y 3CT 3PT 69 Form 12S 25S 3N 70 Form 12S 25S 3 71 Form 14S 4Y s 72 Form 15S 4 73 Form 16S 4Y...

Страница 6: ...ented by one revolution of the disk Also called disk constant Kt Test constant For electronic no disk meter the amount of energy represented by each calibrated pulse of the LED kW Kilowatt Lb Pound LL...

Страница 7: ...Probewell Lab Inc Page 6 Abbreviation Complete Term Wh Watthour WiFi Wireless Fidelity WLAN Wireless Local Area Network WWW World Wide Web Wh Micro Watthour VARh Micro VARhour...

Страница 8: ...3 provides measurements for active and reactive energy with forward and reverse flow testing capability The MT 1 WT3 has a built in three phase phantom load made of synthesized 50A current sources and...

Страница 9: ...Probewell Lab Inc Page 8...

Страница 10: ...to 600VAC The twist tabs can be placed at 3 5 6 and 9 o clock position as required by the meter base where the test is conducted The twist tab at 3 o clock can be inserted at two different positions t...

Страница 11: ...of the Socket Fig 2 1 Front and Rear View of the Socket Fig 2 1 shows the removable twist tabs which do not require any tools to be moved from a position to another The above illustration shows only t...

Страница 12: ...MT 1 WT3 User Guide Page 11 Side View of the Socket Fig 2 2 Side View of the Socket...

Страница 13: ...on Power Switch Socket s main power on off switch Front Jaws The front jaws are controlled by internal relays allowing to test meters The front jaws become live only when a meter is inserted The volta...

Страница 14: ...hen a meter is inserted The voltage is also current limited The front jaws of the MT 1 WT3 are controlled by internal relays allowing to test self contained and CT rated three phase and single phase w...

Страница 15: ...50A with auto ranging capability and a typical precision of 0 01 or better A laboratory stabilized and isolated AC power source with fundamental waveform selectable 120V or 240V 60Hz rated at least 15...

Страница 16: ...ick Test is done at various phase lags between Voltage and Current This is meant to test the operation of the meter in all four quadrants of the power vector diagram For this test the device expects t...

Страница 17: ...ons A magnet can be used to start and end the test kW Demand Test allows the operator to perform a kW demand test and the test is calculated using the following formula kW kWh x 60 T Where T Demand in...

Страница 18: ...t insensitive to light variations including bright sunlight The Metercam is built around a miniature digital camera with a field view combined with a RISC processor that detects the position of the me...

Страница 19: ...changes On the top of the head of the pickup there is a pulse indicator in the form of a visible red led that flashes when pulses are being received Fig 2 5a Optical Pickup Fig 2 5b Magnetic Optical...

Страница 20: ...sus 3S This adapter is used to test Sensus 3S meter without this adapter the meter will be damaged Class 320 This adapter is used to test 4S and 12S meter in a CL320 meter base without this adapter th...

Страница 21: ...Probewell Lab Inc Page 20...

Страница 22: ...and rubber gloves are strongly recommended but are not provided with the MT 1 WT3 The operation of removing and inserting a meter from its meter base under power exposes live electric terminals Be car...

Страница 23: ...g Kh autodetection Without a pickup the user must manually enter the meter Kh The next step is to choose a type of test to perform If a pickup is used the test becomes fully automatic and the test mod...

Страница 24: ...k into place Field testing with the MT 1 WT3 is not possible for that meter installation 2 Installation of the MT 1 WT3 Socket1 Make sure the power switch of the MT 1 WT3 socket is OFF Check Appendix...

Страница 25: ...he meter Make sure everything is well secured The socket installation is complete Operation examples are provided further on Installation Procedure ringless meter base Fig 3 1 Installation Ringless Me...

Страница 26: ...an QR for a first use or select known socket SSID For a Probewell Connect for Windows 101 Go to Windows Settings Select Network Internet Click on Show available networks Scroll down at the end of the...

Страница 27: ...hase angle lags between voltage and current to test operation in all four quadrants the measurements are done in VARH Manual Tracking tests the meter manually without using a pickup Line Monitor analy...

Страница 28: ...e for all types of meters 1 Quick Test 9S solid state meter 2 Custom Test 9S solid state meter 3 Tracking Test 12S N electromechanical meter 4 Custom Test 2S electromechanical meter 5 KW demand test 1...

Страница 29: ...forming a Quick Test Once the installation is completed and the connection to the socket and meter setup is done see previous section we can proceed with the test Select Quick Test Start the sequence...

Страница 30: ...the 8 custom questions saved in the WT3 Please note that if you had chosen the Full Test mode in this example the test would have continued checking each of the phases A B C one after the other under...

Страница 31: ...art the test The meter sends pulses and the internal electronic standard of the MT 1 WT3 starts measuring the energy sent to the meter In addition to the test parameters appearing on the display the o...

Страница 32: ...icking on the number of revolutions and entering the desired value 1 Performing Tracking mode test In the Manual Test page toggle the selected mode to Tracking In the Rev select the desired amount of...

Страница 33: ...k line apply the magnet on the side of the socket to end the test 2 Test Results The result indicates that the meter is accurate at 99 93 under a load of 30A therefore slightly slow by 0 07 Note The r...

Страница 34: ...iled cable with the red ends from the socket to the bottom right connector of the Metercam See Fig 2 4 2 Disk Detection Once the unit detects the presence of the Metercam a load is applied automatical...

Страница 35: ...ted energy registered by the electronic standard On this display the internal electronic standard of the MT 1 WT3 shows that it has registered up to now 14 4Wh voltage x load x time 3600 When calculat...

Страница 36: ...is 15 minutes Test duration timer can be set from 3 to 15 minutes and set the Load at 50 Set up the meter for a kW demand test following the manufacturer s instructions Please note that the kW demand...

Страница 37: ...W demand compared to the reference Conversely a result lower than 100 means the meter records less kW demand compared to the reference Please note that the response time to signal the beginning of the...

Страница 38: ...option 2 Performing a Full Test Once the installation is completed and the connection to the socket and meter setup is done see previous section we can proceed with the test Select Full Test Start th...

Страница 39: ...he 8 custom questions saved in the WT3 Please note that if you had chosen the Full Test mode in this example the test would have continued checking each of the phases A B C one after the other under t...

Страница 40: ...Note An optional adapter may be required on some meters and can be purchased as an option Note Some high end meters can have two pulse outputs one for the Watthour reading and one for the VARhour read...

Страница 41: ...ts After each subtest the three load test results are displayed one for HL one for PF and one for LL A fourth test result is available showing the weight average according to the formula 4HL 2LL PF 7...

Страница 42: ...on the 2 upper jaws with a capacity of at least 150VA The meter base s voltage must respect the nominal voltage value of the meter under test Before inserting the MT 1 WT3 in the meter base you must s...

Страница 43: ...Probewell Lab Inc Page 42...

Страница 44: ...cam Metercam digital camera disk sensor Pulse pickup Optical pickup for electronic meters Magnetic optical pickup Magnetic Optical Pickup for electronic meters with metallic output pulse MT 1 ATK 3 Ac...

Страница 45: ...eedback loop to get the most accurate current therefore the current accuracy is less than 200ppm Communication Wireless 802 11b g I O port Full duplex isolated Forms of Meter Single phase 1S 2S 3S 4S...

Страница 46: ...alibration report certifying measurement accuracy for both Wh and VARh scales over its entire operating range Test accuracy can be done using a reference standard and the three phase Accuracy Testing...

Страница 47: ...Probewell Lab Inc Page 46...

Страница 48: ...the electrical service is shown at the top left and an internal schematic of the meter installed at the top right Wiring that connects the meter to the line and load is also shown Before proceeding t...

Страница 49: ...Probewell Lab Inc Page 48 Form 1S...

Страница 50: ...MT 1 WT3 User Guide Page 49 Form 2S...

Страница 51: ...also compatible Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result Note Some 3S 240V of older design have higher impedance and will...

Страница 52: ...MT 1 WT3 User Guide Page 51 Form 4S Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 53: ...Probewell Lab Inc Page 52 Form 5S 35S 45S Fitzalltm 3 2CT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 54: ...MT 1 WT3 User Guide Page 53 Form 5S 35S 45S Fitzalltm 3 2CT 2PT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 55: ...Probewell Lab Inc Page 54 Form 5S 35S 45S Fitzalltm N 2CT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 56: ...MT 1 WT3 User Guide Page 55 Form 5S 35S 45S Fitzalltm N 2CT 2PT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 57: ...Probewell Lab Inc Page 56 Form 5S 35S 45S Fitzalltm Y 3CT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 58: ...MT 1 WT3 User Guide Page 57 Form 5S 35S 45S Fitzalltm Y 3CT 2PT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 59: ...Probewell Lab Inc Page 58 Form 5S 35S 45S Fitzalltm Y 2CT Y 2CT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 60: ...MT 1 WT3 User Guide Page 59 Form 5S 35S 45S Fitzalltm Y 3CT 2PT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 61: ...Probewell Lab Inc Page 60 Form 5S 35S 45S Fitzalltm 4 3CT 2PT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 62: ...MT 1 WT3 User Guide Page 61 Form 5S 35S 45S Fitzalltm 4 3CT Caution Never open a circuit closing device if current is flowing in either CT primaries Serious personal injury may result...

Страница 63: ...Probewell Lab Inc Page 62 Form 6S 36S 46S Y 3CT Wye with three CTs Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 64: ...MT 1 WT3 User Guide Page 63 Form 6S 36S 46S Y 3CT 2PT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 65: ...Probewell Lab Inc Page 64 Form 6S 36S 46S Fitzalltm Y 3CT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 66: ...MT 1 WT3 User Guide Page 65 Form 6S 36S 46S Fitzalltm Y 3CT 2PT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 67: ...Probewell Lab Inc Page 66 Form 8S 4 3CT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 68: ...MT 1 WT3 User Guide Page 67 Form 9S 4 3CT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 69: ...Probewell Lab Inc Page 68 Form 9S Y 3CT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 70: ...MT 1 WT3 User Guide Page 69 Form 9S Y 3CT 3PT Caution Never open a circuit closing device if current is flowing in the CT primary Serious personal injury may result...

Страница 71: ...Probewell Lab Inc Page 70 Form 12S 25S 3N N Network...

Страница 72: ...MT 1 WT3 User Guide Page 71 Form 12S 25S 3 25S Delta...

Страница 73: ...Probewell Lab Inc Page 72 Form 14S 4Y s...

Страница 74: ...MT 1 WT3 User Guide Page 73 Form 15S 4...

Страница 75: ...Probewell Lab Inc Page 74 Form 16S 4Y...

Страница 76: ...MT 1 WT3 User Guide Page 75 Appendix C Form Configurations Below are shown various back tabs configurations for the test socket that you could configure according to the meter base being used...

Страница 77: ...Probewell Lab Inc Page 76...

Страница 78: ...to the meter base being used Verify the voltage of the meter base between 100 and 480VAC The meter base must be able to provide at least 150VA Do not install tester in a test board METER UNDER TEST DO...

Страница 79: ...meter Turn off and on the MT 1 WT3 and start again METERCAM IS NOT SYNCHRONIZED WITH THE DISK The Metercam is not detecting correctly the black flag on the disk Make sure the Kh correspond with the on...

Страница 80: ...ed in socket 6 FORM Meter form 7 PHASE Phase tested 8 TA Testing Amperage of meter tested 9 Kh Kh of the meter tested 10 MODE Mode in which test was conducted Result can be full quick or custom single...

Страница 81: ...S Not supported 18 33 Q A 8 custom questions and answers 34 RevHL Revolutions run during HL test 35 RevLL Revolutions run during LL test 36 RevPF Revolutions run during PF test 37 RatioWT Weighted err...

Страница 82: ...he warranty has expired Probewell Lab Inc will repair it charging the cost of labor and spare parts Please do not return your MT 1 WT3 without contacting customer service at 1 866 626 1126 or send an...

Страница 83: ...Probewell Lab Inc Page 82...

Страница 84: ...se lubricant for electric contacts Do not use abrasive materials Never use solvent to clean the MT 1 WT3 Use a soft moist cloth with non abrasive soap to clean surface Handle the MT 1 WT3 with care Me...

Страница 85: ...Probewell Lab Inc Page 84 Notes...

Страница 86: ...www probewell com Probewell Lab Inc Printed in Canada Edition 2 2...

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