Seaward ARE 1557 - Manual (Page 5)

ERT1557
Operating Instructions
- 5 -
Table of Contents
Table of Contents ...................................................5
CERTIFICATE OF CONFORMITY............................6
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 ...............................11
4.3 Keypad operation .......................................12
5 Using the ERT 1557...........................................13
5.1 Power On ...................................................13
5.2 Battery Health Check..................................13
5.3 RA 3 Pole ...................................................13
5.4 R
A
Using current clamp...............................14
5.5 RA 4 Pole ...................................................15
6 Memory Functions .............................................16
6.1 Memory locations .......................................16
6.2 Storing results ............................................16
6.3 Recalling Results ........................................17
6.4 Erasing individual results ............................18
6.5 Clearing all the memory ..............................18
7 Download Function ............................................20
7.1 COM Port Identification ..............................20
7.2 Hyper Terminal Setup Procedure................21
7.3 Download Data...........................................22
7.4 View Download Data ..................................23
8 Electrical Specifications .....................................25
8.1 Earth Resistance Two/Three Pole Method ..25
8.2 Earth Resistance Current Clamp Method....25
8.3 Specific Earth Resistance ...........................26
9 Environmental Conditions ..................................27
10 Maintenance....................................................28
10.1 Securing the ERT 1557 .............................28
10.2 Cleaning ...................................................28
10.3 Battery Replacement ................................29
10.4 Service and Calibration.............................29
10.5 Spare Parts...............................................30