Table of Contents
Advertisement
Quick Links
Download this manual
See also:
User Manual
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for ITech IT9121
Summary of Contents for ITech IT9121
- Page 1 IT9121 Power Meter Installation Instruction Model: IT9121 Version: V1.4...
- Page 2 Notices Warranty Safety Notices © Itech Electronic, Co., Ltd. 2017 The materials contained in this No part of this manual may be document are provided “as is”, and reproduced in any form or by any means is subject to change, without prior (including electronic storage and notice, in future editions.
-
Page 3: Limitation Of Warranty
PREPAID. And ITECH will pay for return of the product to customer. If the product is returned to ITECH for warranty service from overseas, all the freights, duties and other taxes shall be on the account of customer. Limitation of Warranty This Warranty will be rendered invalid if the product is: ... -
Page 4: Safety Precautions
Failure to comply with these precautions or specific warnings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no liability for the customer’s failure to comply with these precautions. -
Page 5: Waste Electrical And Electronic Equiment (Weee) Directive
With reference to the equipment classifications described in the Annex 1 of the WEEE Directive, this instrument is classified as a “Monitoring and Control Instrument”. To return this unwanted instrument, contact your nearest ITECH office. Copyright © Itech Electronics Co., Ltd. -
Page 6: Compliance Information
Connection of the instrument to a test object may produce radiations beyond the specified limit. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010/ EN 61010-1:2010 Copyright © Itech Electronics Co., Ltd. -
Page 7: Table Of Contents
4.4 Wiring the Circuit under Measurement When Using Current Sensors ............14 4.5 Wiring the Measurement Circuit with VT/CT ....................17 4.6 Instructions of IT-E185 Fixture ........................19 Appendix ................................20 Specifications of Red and Black Test Lines ......................20 Copyright © Itech Electronics Co., Ltd. -
Page 8: Quality Certification And Assurance
1.2 Product Profile IT9121 Power Meter is a precision power analyzer characterized by powerful and diversified features. It is designed for clearly and correctly measuring the power and energy consumption of various electrical appliances. The maximum input voltage and current of the instrument are 600Vrms and 20Arms;... -
Page 9: Environmental Conditions
When returning the instrument for warranty service or repair, the specified IT9121 User’s Manual packing requirements shall be met. Refer to for detailed requirements on returns. IT9121 AC Power Meter is supplied with the following optional accessories (sold separately): Item Model Remarks... -
Page 10: Regulatory Markings
Horizontal Position Place the instrument horizontally on a desktop. Adjusting the Position 1. Pull out the handle to a rotatable state, as shown below. 2. Rotate the handle to the desired position, as shown below. Copyright © Itech Electronics Co., Ltd. -
Page 11: Removing The Handle
1. Pull out the handle toward the left and rights sides and it can be rotated. 2. Rotate the handle to the position as shown in the following figure. 3. Pull out the handle toward the left and rights sides of the instrument from the alignment hole. Copyright © Itech Electronics Co., Ltd. -
Page 12: Rack Mounting
When mounting or removing the handle, do not squeeze it too hard and mind your hand. 2.3 Rack Mounting IT9121 Power Meter can be mounted on a standard 19” rack. ITECH provides user with IT-E151/IT-E151A rack, an optional mount kit. 2.4 Connecting the Power Cord Connect the power cord after checking that the power switch of the instrument is turned OFF. -
Page 13: Chapter3 Inspecting The Instrument
3.1 Keys on the Front Pannel The schematic diagram of front panel and key functions of IT9121 is shown below: 1 USB PCI... -
Page 14: Power-On Self-Test
1. Connect the power cord properly and then press Power to turn on the instrument. 2. At power-on, the instrument model and version information are displayed. 3. When startup completes successfully, the screen displays the following Copyright © Itech Electronics Co., Ltd. - Page 15 5. Select SELF TEST, and the System Self-Test interface will pop up. Press START to start self-test of the system, including LCD, LED, Display and RAM. An “OK” symbol following each test item denotes the test result is Copyright © Itech Electronics Co., Ltd.
-
Page 16: Zero Calibration
During normal use of the instrument, you need to replace a blown fuse where necessary by following the procedures below: 1. First pull out the power cord, and then take out the fuse block from the power cord jack with a small screwdriver, as shown below: Copyright © Itech Electronics Co., Ltd. - Page 17 2. Have a visual inspection of the fuse to see whether it is burnt out; if yes, replace it with another fuse of the same specification. T1.25A-250V fuse is used for IT9121 Power Meter. 3. After replacement, mount the fuse block to the original position, as illustrated below: Copyright ©...
-
Page 18: Chapter4 Wiring The Circuit Under Measurement
Wiring the Circuit under Measurement Chapter4 Wiring the Circuit under Measurement IT9121 Power Meter is an instrument used to measure electric energy factors (including voltage, current and power) of various electrical appliances. This chapter explains how to wire a typical circuit under measurement. -
Page 19: Selection Of Measurement Method
Effects of the measured voltage and current amplitudes When the measured current is relatively large, connect the voltage input terminal to the side that is closest to the load. When the measured current Copyright © Itech Electronics Co., Ltd. - Page 20 The procedures of wring the circuit when measuring relatively small current are shown as follows: 1. Remove the protective cover over the current input terminals. Protective Cover 2. The current input and voltage input terminals on the rear panel are shown as follows: Copyright © Itech Electronics Co., Ltd.
-
Page 21: Wiring The Circuit Under Measurement When Using Current Sensors
If the maximum current of the circuit under measurement exceeds the measurement range, you can measure the current of the circuit by connecting a dual-circuit external current sensor to the external current sensor input connector of the instrument. Copyright © Itech Electronics Co., Ltd. - Page 22 X mV (Conversion Ratio), the maximum voltage generated by 100A flowing a 10mV current sensor is 10mV/A×100A = 1V. Therefore, the measurement range of the current sensor must be EXT2, and the Conversion Ratio is set at 10mV/A. Copyright © Itech Electronics Co., Ltd.
- Page 23 Wiring the Circuit under Measurement 1. Connect the power supply, external current sensor, electronic load and IT9121 Power Meter as shown in the wiring diagram. 2. Turn on the power meter. 3. Select Menu > SETUP > EXT SEN SET to access the External Sensor Setup interface.
-
Page 24: Wiring The Measurement Circuit With Vt/Ct
When measuring voltage, current and power of DUT with VT/CT, connect the secondary side output terminals of VT/CT to IT9121 input terminals, user can set ratio value of VT/CT. IT9121 interface displays the value which multiplied by a ratio factor. - Page 25 4. Press “Voltage Ratio” or ”Current Ratio”. Use rotary knob and key to set VT/CT ratio value. 5. Press [Enter] key to save the configuration. 6. Press [ESC] key to exit the configuration page.. Copyright © Itech Electronics Co., Ltd.
-
Page 26: Instructions Of It-E185 Fixture
Connect DUT to the front panel of IT-E185 fixture, as shown in the following figure: Connect DUT input terminal Connect IT9121 power meter to the rear panel of IT-E185 fixture, as shown in the following figure: Connect AC input Copyright © Itech Electronics Co., Ltd. -
Page 27: Appendix
Specifications of Red and Black Test Lines ITECH provides you with optional red and black test lines, which individual sales and you can select for test. For specifications of ITECH test lines and maximum current values, refer to the table below. - Page 28 Contact Us Thanks for purchasing ITECH products. In case of any doubts, please contact us as follows: 1. Refer to accompanying data disk and relevant manual. 2. Visit ITECH website:www.itechate.com 3. Select the most convenient contact method, for further information.
Need help?
Do you have a question about the IT9121 and is the answer not in the manual?
Questions and answers