Besantek BST-ET16 Manual Download Page 1

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BESANTEK

GROUND TESTER

BST-ET16

BST-ET17

BST-ET18

BST-ET19

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MANUAL

Besantek Corporation

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

Summary of Contents for BST-ET16

Page 1: ... GROUND TESTER BST ET16 BST ET17 BST ET18 BST ET19 0 h I o 111 f Q llOOOO 00000 0 0 120 MANUAL Besantek Corporation Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

Page 2: ...ructure of Meter 5 V Liquid Crystal Display 6 1 LCD Screen 6 2 Description of Special Symbols 6 3 Examples Illustrated 7 VI Operating Method 8 1 Boot up 8 2 Shutdown 9 3 Resistance Measurement 10 4 Current Measurement 11 5 Date Lock Release Storage 11 6 Data Access 12 7 Alarm Settings 12 8 Access to Alarm Critical Value 13 9 Clear Data 13 ...

Page 3: ...urrent Measurement 14 Ⅷ Measurement Method of Earth Resistance 14 1 Multi Point Grounding System 14 2 Limited Point Grounding System 15 3 Single Point Grounding System 16 Ⅸ Bill of Loading 18 Ⅹ Parts List and Assembly Details 19 1 Parts List 19 2 Assembly Details 20 Ⅺ Trouble shooting 21 ...

Page 4: ...mpleted and the OL Ω symbols are showed the measured objects cannot be clamped on 7 The jaw planes contact must be maintained clean and should not be polished with corrosive and rough materials 8 Avoid any impact onto this Meter especially the Jaw contact surface 9 This Meter will have some buzzing sound in measurement process and it is normal 10 The measurement current of the wire should not exce...

Page 5: ...ability and test stability Stored data 99 Units Wider range 0 01Ω 1200Ω Lower power consumption Maximum operating current not exceeding 50mA The ground tester is widely used in the grounding resistance measurement of the power telecommunications meteorology oilfield construction and the industrial and electrical equipment In the measurement of a grounding system with loop current does not require ...

Page 6: ...racy Resistance 0 010Ω 0 099Ω 0 001Ω 1 0 01Ω 0 10Ω 0 99Ω 0 01Ω 1 0 01Ω 1 0Ω 49 9Ω 0 1Ω 1 0 1Ω 50 0Ω 99 5Ω 0 5Ω 1 5 0 5Ω 100Ω 199Ω 1Ω 2 1Ω 200Ω 395Ω 5Ω 5 5Ω 400 590Ω 10Ω 10 10Ω 600Ω 880Ω 20Ω 20 20Ω 900Ω 1200Ω 30Ω 25 30Ω Current True RMS 0 00mA 9 00mA 0 05mA 2 5 2mA 10 0mA 99 0mA 0 1mA 2 5 10mA 100mA 300mA 1mA 2 5 20mA 0 30A 2 99A 0 01A 2 5 0 1A 3 0A 9 9A 0 1A 2 5 0 5A 10 0A 20 0A 0 1 A 2 5 1 A 20 0...

Page 7: ...luding batteries Long jaw 1160g Round jaw 1120g Battery type 4 x1 5V alkaline LR6 AA battery Low battery indication E3i is displayed Internal consumption 50mA Auto power off after 5 minutes of idleness Display 4 LCD sign decimal point and backlight Memory size 99 Units of Reading Environment Temperature Relative Humidity Working 10 C 55 C 10 RH 90 RH Storage 2o c so c below 70 RH Range shift Full ...

Page 8: ...f jaw 4 HOLD Key lock Release display Storage 5 ON OFF Key Boot Up Shutdown Quit Clear Data 6 MEM Key Data Access Clear Data 7 AL Alarm Function Key Alarm Open Turn Off Alarm Critical Value Setting 8 Resistance Measure Switch Key Ω Right Arrow Key 9 Current Measure Switch Key A Left Arrow Key 10 Liquid Crystal Display LCD ...

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Page 18: ...gh overhead ground wire Besides the grounding of some of the buildings is not an independent grounding grid but several grounding bodies connected with each other through the wire Under such circumstances the above R0 regarded as 0 will yield more error on the results of the measurement Due to the same reasons mentioned above we may ignore the impact of the mutual resistance and the equivalent res...

Page 19: ...ulating of the program not more or less And the program would output the same number of grounding resistance values 3 Single Point Grounding System From the measuring principle the tester can only measure the loop resistance and the single point grounding is not measured However users will be able to use a testing line very near to the earth electrode of the grounding system to artificially create...

Page 20: ...ler than the allowable value of the grounding resistance then the two grounding bodies are qualified for grounding resistance 2 Three Point Method As shown in the figure below in the vicinity of the measured grounding body RA find two independent grounding bodies of better grounding state RB and RC First link RA and RB with a test line use the Meter to get the first reading R1 Second have RB and R...

Page 21: ...formula these three grounding bodies scan be viewed as a triangle then the measured resistance is equivalent to the value of the resistance values of the adjacent edges plus or minus resistance value of the opposite sides and divided by 2 As the reference points the grounding resistance values of the other two grounding bodies are RB R1 RA RC R3 RA Ⅸ Bill of Loading Earth Tester 1 piece Test Loop ...

Page 22: ...tery cover DS03 1 4 Upper shell DS04 1 5 Subjacent shell DS 05 1 6 Tension spring DS 06 2 7 Clamp DS 07 1 8 LCD DS 08 1 9 HOLD key DS09 1 10 LCD cover DS10 1 11 PCB DS11 1 12 Connect screws of shells DS12 3 ST2 9X10 13 Clamp screws DS13 2 ST2 9X25 14 Shaft DS14 1 15 Push button DS15 5 16 Screws for PCB fix DS16 2 ST2 2X6 17 Screws for LCD fix DS17 2 ST2 2X6 ...

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Page 24: ...ug Defect of circuit component Defect of PCB when current consumption is about 100mA or more at 6V of battery voltage Replace the PCB Indicating ERROR Display Err big error results or results unstable Insufficient capacity of battery Replace the batteries Contact surface of jaw is polluted by dust oil etc Clean the surface Poor enclose of jaw Trigger the clamp several times and then re boot Defect...

Page 25: ...p of segment arithmetic point unit and so on Poor contact of LCD connection wire Re plug the LCD connect plug or replace the plug Defect of LCD Replace the LCD Insufficient capacity of battery Replace the batteries Defect of circuit component Replace the PCB HOLD button Depart from the position Re assemble the button Incapable to hold reading Defect of circuit component Replace the PCB Test Equipm...

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Page 27: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

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