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Summary of Contents for Seaward ERT1557
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Page 1: Operating Instructions
ERT1557 Operating Instructions Bracken Hill, South West Industrial Estate, Peterlee, Co. Durham. SR8 2SW. England. Tel: +44 (0)191 586 3511 Fax: +44 (0)191 586 0227 www.seaward.co.uk sales@seaward.co.uk service@seaward.co.uk... - Page 2 ERT1557 Operating Instructions © 2007 Seaward Electronic Figure 1 ERT 1557 Front View Figure 2 ERT 1557 End View - 2 -...
- Page 3 SEAWARD Electronic Limited. This also applies to accompanying drawings and diagrams. Due to a policy of continuous development SEAWARD Electronic Limited reserves the right to alter the equipment specification and description outlined in...
- Page 4 ERT1557 Operating Instructions Disposal of Old Product This product has been designed and manufactured with high quality materials and components that can be recycled and reused. When the crossed out wheelie bin symbol is attached to a product it means the product is covered by the European Directive 2002/96/EC.
- Page 5 ERT1557 Operating Instructions Table of Contents Table of Contents .............5 Introduction...............7 1 User Notes .............8 2 Safety Notes ............9 3 Accessories ............10 3.1 Standard Accessories ........10 3.2 Optional Accessories ........10 4 Unit Description ...........11 4.1 Identifying parts of the unit ......11 4.2 LCD display messages.........12...
- Page 6 ERT1557 Operating Instructions CERTIFICATE OF CONFORMITY As the manufacturer of the apparatus listed, Seaward declare under our sole responsibility that the product: ERT 1557 To which this declaration relates are in conformity with the relevant clauses of the following standard:...
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Page 7: Introduction
ERT1557 Operating Instructions Introduction The ERT 1557 is a fully featured earth resistance and soil resistivity tester, housed in a rugged PrimeTest series enclosure, and supplied complete with all necessary test leads and test spikes. The instrument will perform tests in accordance with BS7671 and IEC61557. -
Page 8: User Notes
ERT1557 Operating Instructions 1 User Notes This instrument and its operating instructions are intended for use by adequately trained personnel. The following symbols are used in these operating instructions and on the ERT 1557. Warning of electrical danger! Indicates instructions must be followed to avoid danger to persons. -
Page 9: Safety Notes
ERT1557 Operating Instructions 2 Safety Notes The ERT 1557 is fully compliant with the requirements BS EN 61010-1: 2001. BS EN 61557 part 1 and 5. In order to ensure safe operation of this instrument, all notes and warnings in these instructions must be observed at all times. -
Page 10: Accessories
1 off USB to MiniDIN Lead Assembly 1 off Operating Instruction Manual 4 off test spikes 1 off USB driver CD 3.2 Optional Accessories Current Clamp Seaward Part No 278A923 Carry case Seaward Part No 270A951 Do not open unit no serviceable parts - 10 -... -
Page 11: Unit Description
ERT1557 Operating Instructions 4 Unit Description The ERT 1557 is a hand held, earth resistance tester. Tests are selected using the rotary switch. 4.1 Identifying parts of the unit The numbering below refers to fig. 1 and fig. 2. 1. LCD Display 2. -
Page 12: Lcd Display Messages
ERT1557 Operating Instructions 4.2 LCD display messages Display Meaning Result is above the measuring range >50kΩ for 2 and 3 point earth resistance Result is above the measuring range >2kΩ for current clamp earth resistance Result is above the measuring range >1999kΩm... -
Page 13: Using The Ert 1557
ERT1557 Operating Instructions 5 Using the ERT 1557 5.1 Power On To turn the ERT 1557 on simply rotate the rotary switch to the required test type. 5.2 Battery Health Check The ERT 1557 will automatically perform battery health checks prior to a test performing. - Page 14 ERT1557 Operating Instructions 5.3.2 Connect the Es and E test leads to the test point. 5.3.3 Connect the H and S test leads to the 2 test spikes as shown in figure 3. 5.3.4 Press and release the TEST key. The measured resistance will appear on the LCD after a few seconds.
- Page 15 E, Es, S and H. Ensure the spikes are equi- spaced. 5.5.4 Input the appropriate distance between the test spikes into the ERT1557 by pressing the F3 (Distance) function key. Press F1 (∆) or F2 (∇) function keys to either increment or decrement the distance, in metres.
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Page 16: Memory Functions
ERT1557 Operating Instructions 6 Memory Functions 6.1 Memory locations All memory locations are allocated a unique index number that is comprised of an identification code, object identification number and measuring place. Function code numbers are:- 1 = R Two-point & Three-point test... -
Page 17: Recalling Results
ERT1557 Operating Instructions Each test resistance result can only be stored once at any selected object identification number or measuring place. If an attempt is made to store a result in a location already utilised the LCD displays no. 6.2.6. Press F4 (Shift) + F2 (∇) function keys once... -
Page 18: Erasing Individual Results
ERT1557 Operating Instructions 6.3.7. If there are no stored results in the selected memory location then a message no is displayed on the LCD. 6.3.8. Repeat step 6.3.1 to recall results from other memory locations. 6.4 Erasing individual results 6.4.1. Press F4 (Shift) + F1 (Recall) function keys to enter recall mode. - Page 19 ERT1557 Operating Instructions display goes blank indicating that erasing of memory is in progress. Once the memory is erased a message Clr is indicated on the display. - 19 -...
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Page 20: Download Function
Refer to supplied USB Driver CD. 7.2 Connect ERT to PC 7.2.1 Ensure ERT1557 is switched off. 7.2.2 Connect ERT1557 to PC using supplied USB to miniDin connector. 7.2.3 Switch on ERT1557 to ‘Data Send’ position. 7.2.4 The indication Prt is displayed on the LCD display. -
Page 21: Download Data
ERT1557 Operating Instructions 7.3.2 Open the hyper terminal communications program on the PC (Path:-start / All Programs / Accessories / Communications / HyperTerminal). 7.3.3 Enter the name of the hyper terminal connection e.g. ERT Download. Click on the OK prompt softkey and select the appropriate COM port to which the USB is connected. - Page 22 ERT1557 Operating Instructions 7.4.3 Using the Browse softkey select the destination folder where the data file in the ERT1557 can be stored. Use the receiving protocol drop-down box to select the Xmodem protocol from the available list. 7.4.4 Click on the Receive prompt softkey.
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Page 23: View Download Data
ERT1557 Operating Instructions 7.4.6 If the download fails, repeat the process from step 7.4.1 7.5 View Download Data 7.5.1 The operator can now access the data download file specified in 7.4.4. 7.5.2 The data is displayed in the format indicated below 7.5.3 Where OBJ and PLACE represent the object... -
Page 24: Com Port Identification Method
1 metre. 7.6 COM Port Identification method 7.6.1 Identification of the COM port, utilised by the ERT1557, is dependent on the operating system used by that computer. 7.6.2 The following is a guide for a computer with an... -
Page 25: Electrical Specifications
ERT1557 Operating Instructions 8 Electrical Specifications 8.1 Earth Resistance Two/Three Pole Method Display Range 0.00Ω to 50.0kΩ 0 - 19.99 Resolution 0.01 Measurement Ranges 20 - 199.9 Resolution 0.1 - 999 Resolution 1 1.00K - 9.99K Resolution 10 10.0K - 50.0K Resolution 100 2% ±... -
Page 26: Specific Earth Resistance
ERT1557 Operating Instructions 8.3 Specific Earth Resistance Display 0.00Ωm to 320kΩm Range Measurement 0Ωm –19.99Ωm Resolution 0.01Ωm 20Ωm – 199.9Ωm Resolution 0.1Ωm Ranges 200Ωm - 999Ωm Resolution 1Ωm 1.00kΩm – 9.99kΩm Resolution 10Ωm 10.0kΩm –99.9kΩm Resolution 100Ωm 100kΩm – 320kΩm Resolution 1kΩm Accuracy 2% ±... -
Page 27: Environmental Conditions
ERT1557 Operating Instructions 9 Environmental Conditions 9.1 The ERT 1557 has been designed to perform tests and measurements in a dry environment. 9.2 Operating Altitude 0 to 2000 metres. 9.3 Overvoltage category IEC 60664/IEC 61010, 300V Category II. 9.4 Pollution degree 2 according to IEC 61010-1. -
Page 28: Maintenance
ERT1557 Operating Instructions 10 Maintenance 10.1 Securing the ERT 1557 Under certain conditions safe operation of the ERT 1557 can no longer be assumed: 10.1.1 Visible damage of the instrument case. 10.1.2 Incorrect measurement results. 10.1.3 Recognisable abuse to the instrument due to prolonged storage under improper conditions. -
Page 29: Battery Replacement
ERT1557 Operating Instructions 10.3 Battery Replacement Before opening the ERT1557 ensure that it is disconnected from all voltages! Electric shock danger! 10.3.1 Power the unit off by selecting the Off position on the rotary switch. 10.3.2 Disconnect all the test leads from the unit 10.3.3 Position the ERT 1557 face down and release... -
Page 30: Spare Parts
ERT1557 Operating Instructions 10.5 Spare Parts. Seaward Part No. Test Cable Kit 44B167 USB to MiniDIN Lead 362W505 Assembly Carrying Case 270A951 For Service and Calibration contact: Service Department Seaward Electronic Bracken Hill South West Industrial Estate Peterlee Co Durham SR8 2SW... - Page 31 ERT1557 Operating Instructions 362A550 Rev 2 - 31 -...
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