Safety ERP-1 adapter is designed to adapt MRU meters (manufactured by Sonel SA) for the measure- ments of earth resistance of various objects e.g. power pillars, using flexible clamps (Rogowski coil). The adapter is designed to work with earth resistance meters that provide the user with a choice of performing the measurement using 3-wire method with measurement clamps.
LEDs indicating selected type of flexible clamps Selected number of flexible clamp LEDs indicating the number of flexible wraps around the pole leg clamp wraps around the pole leg ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
On the MRU meter select the measurement method as 3p+clamps, setting the rotational function selector in the position shown here: Flexible clamps connected to ERP-1 adapter should be wrapped around the leg of the structure and around the steel strip (hoop) - if present - below the connecting point of cable E to the structure leg.
Page 7
– current flowing upwards to the lightning protection wire E, S, H – markings on the meter sockets Fig. 1 Schematic diagram of the static resistance measurement on electricity poles using measurement clamps and MRU-200 meter. ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
Page 8
After selecting 3P+clamps, the following screen is displayed: b) After pressing F2 button, the window for selecting clamps is shown. You may select between hard clams (C-3) and ERP-1 adapter by operating buttons . Accept your choice by pressing ENTER. Exit without saving the change by pressing ESC.
Page 9
After selecting an object with four legs the following screen is shown. After connecting the clamps to ERP-1 adapter and connecting the adapter to the meter; when the number of wraps and type of clamps are set, the right side of the screen will show the following values: U –...
Page 10
After completing a series of measurements (on each leg), the screen will display the resultant earth resistance R . Use buttons to change results displayed by the auxiliary screen on the right. ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at:...
Do not use the adapter when the battery compartment is removed or open. Do not power the meter from other sources than those mentioned in this manual. Charging the rechargeable batteries Rechargeable batteries must be recharged in an external charger. ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
Worn-out electronic equipment should be sent to a collection point in accordance with the law of waste electrical and electronic equipment. Before the equipment is sent to a collection point, do not dismantle any elements. Observe local regulations concerning disposal of packages, waste batteries and accumulators. ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
Page 14
1.00 A...4.99 A 0.01 A ±(5% m.v. + 5 digits)** * unspecified in the range of 0 mA…50 mA ** above 5 A the uncertainty is unspecified ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
>500 Ω or and R >500 Ω ≤1 kΩ and R ≤1 kΩ Within the basic uncertainty >1 kΩ or >3.999 Ω >1 kΩ or and R >1 kΩ ERP-1 – USER MANUAL GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
Hard case XL8 – WAWALXL8 Case M6 – WAFUTM6 Sales sets Adapter ERP-1 – WAADAERP1 Adapter ERP-1 with flexible clamps FS-2 and case – WAADAERP1V2 Adapter ERP-1 with flexible clamps FSX-3 and case – WAADAERP1V3 10 Manufacturer SONEL S.A. NOTE! Service repairs must be performed only by the manufacturer.
National Metrological Institute. According to ILAC-G24 „Guidelines for determination of calibration intervals of measuring instru- ments”, SONEL S.A. recommends periodical metrological inspection of the instruments it manufac- tures no less frequently than once every 12 months.
Need help?
Do you have a question about the ERP-1 and is the answer not in the manual?
Questions and answers