Rishabh RISH INSU 5Dt Manuale utente

RISH INSU 5Dt

Operating Manual

5 kV Digital Insulation Tester

TABLE OF CONTENTS

Chapter 1: General Aspects………………....……………………….........................................3

1.1 Features of the meter.......………………....………………………......................................3

Chapter 2: User and Battery Safety….....………………………........................................5

Chapter 3: Basic Components and Indications in the Meter...............................7

3.1 Legends and their meanings ..........................................................................8

3.2 Basic indications and their meanings...............................................................8

Chapter 4: Connections of test leads to meter...................................................9

Chapter 5: Measurement modes of the meter..................................................11

5.1 IR Mode.....................................................................................................11

5.2 DAR Mode..................................................................................................13

5.3 PI Mode.....................................................................................................16

5.4 Step Mode.................................................................................................19

5.5 Ramp Mode................................................................................................23

5.6 Voltage Mode.............................................................................................26

Chapter 6: Graph window................................................................................28

Chapter 7: File explorer...................................................................................31

Chapter 8: Audio read-out Feature..................................................................33

Chapter 9: Settings of the meter.....................................................................34

9.1 SLEEP Mode Settings..................................................................................34

9.2 Time/date Settings....................................................................................35

9.3 Customer information.................................................................................36

9.4 Brightness settings....................................................................................37

9.5 Short circuit Settings..................................................................................38

9.6 Go No Go Settings.....................................................................................39

9.7 Other Settings(Bluetooth,USB and audio read out(speaker))............................40

Chapter 10: Meter Speciﬁcations....................................................................42

Chapter 11: Battery Charging and Battery Alarms..........................................45

11.1 Battery Charging Process...........................................................................45

11.2 Battery Alarms.........................................................................................45

Chapter 12: Insulation Resistance Measurement for various Equipments........46

12.1 Transformers...........................................................................................46

12.2 Circuit breakers........................................................................................47

12.3 Cables....................................................................................................47

12.4 Current transformers.................................................................................48

12.5 Motors....................................................................................................48

Chapter 13: Connection of meter with PC using USB.......................................49

Chapter 14: Connection of meter with PC using bluetooth...............................51

Chapter 15: Connection of meter with Android phone using bluetooth............55

DMAN-00IM-0813_REV_C_12_2021

CHAPTER 1

GENERAL ASPECTS

1.1 Features of the meter

Selectable Test Voltage up to 5000 V: Test voltages can be set to any desired value

from 100V to 5000V with steps of 10V upto 1000V and steps of 25V above 1000V.

High Insulation resistance measurement: Insulation resistance measurement from

50kΩ to 2TΩ .

Noise rejection - 3mA: High Noise immunity allows accurate measurement under noisy

environment.

Polarization Index: Polarization index (PI) testing is an extension of the insulation

resistance test and is designed to check speciﬁc issues such as moisture and insulation

deterioration.

Dielectric Absorption Ratio: DAR measurement is a diagnostic test similar to the

Polarization Index (PI), but DAR takes the ratio of the Insulation Resistance usually

measured at 30 sec and 1 min.

Step Voltage Test: Step Voltage Test is designed as a controlled over-voltage or proof

test to provide an additional evaluation of the insulation system integrity.

Ramp Diagnostic Test: The Ramp Test is performed with a slowly rising voltage.

Software Selectable Filter: User selectable software ﬁlter can be used depending on

noise levels. This help in accurate reading in noisy environments.

Capacitance Measurement: Capacitance can be measured from 1nf to 50uF.

Go- NoGo Function: User can set an insulation resistance limit below which user will be

alarmed about the quality of insulation.

Insulation Graph Display: Insulation Resistance trend can be displayed over the time in

graphical form.

Communication Interface: Bluetooth 2.0 & 4.0 Class II and electrically isolated USB 2.0

communication.

Software and Mobile Application: It has data logging and monitoring software for

window system and an interactive mobile application for android.

File Explorer: It has ﬁle explorer to view the datalog ﬁle on TFT display.

Audio Read-Out: Audible test result on completion of test for awkward locations.

Rechargeable Battery: Li-Ion 3 Cell Battery with charging current of 1A.

Internal Data logging: It has internal data logging feature. It can log up to 2000 test

ﬁles with customer information and time stamp.

Selectable test time: User can set the test time to any desired test time from 45 sec to

99 min 59 sec.

The home screen of the meter is as shown below:

USER SAFETY:

Following safety measures should be taken while using the instrument:

The circuit under test should be turned off /denergized(dead), all its terminals should be

isolated, the circuit should also be discharged and checked before the insulation is tested.

During the test please make sure that you do not touch any of the test leads. The caution

symbol on the measurement screen indicates that hazardous voltage is present at the

test leads.

After test completion you should make sure that the load is completely discharged

because this charge can be dangerous.

The voltage indicator and internal discharge should be treated like additional safety

devices and not a substitute for the general practices.

Insulation testing in wet conditions can be hazardous. It is recommended that the

instrument should not be used under these circumstances.

During control from bluetooth or USB the test can be started at any time. Please make

sure the connections are proper before turning on the test.

Please use only the leads supplied with the meter for testing the device.

NOTE: INSTRUMENT SHOULD BE OPERATED BY SUITABLY TRAINED AND

COMPETENT PERSONS ONLY

BATTERY SAFETY:

Following safety measures should be followed while handling the battery:

Do not disassemble or change the battery. This battery consists of safety and protection

devices which if damaged can cause harm to the battery.

Do not heat the battery in any way.

Do not pierce the battery.

Do not expose the battery to water.

CHAPTER 2

USER AND BATTERY SAFETY

Do not subject the battery to shocks.

Never short circuit the battery pack.

In case the battery starts leaking, do not allow the liquid to come in contact with skin or

eyes. If by mistake you make contact, wash the affected area with water and contact

doctor.

Keep the battery away from children.

Do not expose the battery to extreme temperatures. Extreme temperature will reduce

the lifetime of the lithium ion battery.

SYMBOLS ON THE INSTRUMENT:

Caution: Please refer user manual

Caution: Risk of electrical shock

Equipment complies with current EU directives

Bluetooth

Equipment protected throughout double insulation

Do not dispose in normal waste

Audio Readout

Mains connected

Universal Serial Bus(USB)

600 V

CAT IV

Overvoltage category IV (equipment installed at or near the origin of the

electrical supply to a building) & 600V refers to the rms phase to earth voltage

that instruments can withstand to the overvoltage category IV rating.

CHAPTER 3

BASIC COMPONENTS AND INDICATIONS IN THE METER

8 9

3.1 LEGENDS AND THEIR MEANING

1. Negative(-) terminal

2. Guard(G) terminal

3. Positive(+) terminal

4. LED indicating presence of mains

5. USB slot for device connection

6. Speaker

7. Protective cover

8. Resting handle

9. TFT touch screen display

3.2 BASIC INDICATIONS AND THEIR MEANING

Mains connected

Battery charging

Bluetooth mode

Breakdown mode

Burn mode

Pre-alarm for battery

charging

Guard fuse blown

USB mode

Danger High Voltage

at leads

Speaker mute Speaker unmute Current limit warning

Battery fully

charged indication

CHAPTER 4

CONNECTION OF TEST LEADS TO METER

The meter has 3 probes guard, positive and negative. Each probe consists of 2 ends.

One of these ends is the probe handle which has to be connected to the meter and the other

end will depend upon the type of accessories ordered. Figure below shows the probe handle

for the single probes(Guard and positive) and double probe which is connected to the

negative terminal. Both the handles have a rotor for locking the probe to the meter

NOTE: Insulation of the DUT should be fully discharged before connecting the leads

to the DUT.

Due to the locking mechanism of the probes the probes remain ﬁrmly connected to the

meter during the test. Following are the steps to connect the probe to the meter:

Insert the probes into the meter as shown in the below diagram:

Single probe handle Double probe handle

Probe rotor

Negative

Guard

Positive

Indice

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