Kusam-meco KM 981 MK-1 User manual

G 17, Bharat Industrial Estate, T. J. Road,
Sewree (W), Mumbai - 400 015. INDIA.
Sales Direct : [phone]
Tel. : [phone]. Fax : [phone]
Email : [email protected]
Website : www.kusamelectrical.com
www.kusam-meco.co.in
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AN ISO 9001:2008 COMPANY
MODEL - KM 981 MK-1
PHASE SEQUENCE
INDICATOR
OPERATION MANUAL

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1. Introduction :
This meter is based on Second Safety Standard of
“Safety requirements of Electronic Measuring
Instruments”. The instrument is convenient, quick
measuring, and safe. The open phase condition and
phase sequence can be checked by LED and Buzzer.
2. Features :
Operational Voltage : 60 ~ 600V (3 Phases AC)
Limit support Voltage : 2000V / minute (impulse
Voltage 4000V)
Measuring frequency range : 20Hz ~400Hz
Time limit for continuous measurement :
Less than 60 minutes at 200V AC
Less than 4 minutes at 600V AC
Meter Size : 85 x 64 x 23mm
(exclude the measuring lead)
Meter Weight : Approximate 200g
Attachment : Measuring lead, Strap,
Operation Manual and
Carrying case.
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KM 981 MK-1
PHASE SEQUENCE INDICATOR
PHASE SEQUENCE
INDICATOR
MODEL - KM 981MK-1

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4. Operation Method :
Connect the meter leads and measuring wire together
(Do not use hand directly). At that time, meter will show
the phase and phase order.
Open phase
check by LED
All 3 orange
LED light
All 3 orange
LED light
Measuring
result
Correct phase
(CW)
Reverse phase
(CCW)
Open phase
(one phase only)
Orange LED for
open phase are off
Phase order
check by LED
Green LED light
Red LED light
Both green and
red LED are off
Buzzer
Intermittent
beep
Continuous
beep
Continuous
beep
3. Specification :
1. Open phase check by LED :
3 Orange LED, show R Phase, Y Phase, and B
Phase Respectively.
2. Phase sequence check through LED :
A Red LED and a Green LED
3. Wrist Strap :
Wrist strap to avoid the meter from falling.
4. Measuring Lead :
Red lead is corresponding R Phase (L1,R); Yellow is
corresponding Y Phase (L2,S); Green is
corresponding B Phase (L3, T) Carrying case.
CCW CW
R Y B
L1 L2 L3
(R) (S) (T)
1
2
3
b
4
PHASE SEQUENCE INDICATOR

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5. NOTE :
1. The meter is high voltage equipment, so check-up
before connecting to supply. If there appears the
following stop measuring :
A. Broken body or lead wire.
B. Damage in transit.
C. Store in wet places for long time.
2. Do not open the cover of meter when measuring or
the circuit is connected to line.
3. Do not touch the metal of meter leads directly.
4. To do not connect to circuit voltage more than 600V.
5. Time limit for continuous measurement is 60 minutes
at 200V AC and 4 minutes at 600V AC.
6. Do not use it in open air or other wet places.
7. Do not let it touch water or other liquid or expose to
direct sun.
8. Only trained persons should open its cover.
9. Users should take special training and operate as
per this manual.
10. Put this manual carefully at a easily accessible place.
MUMBAI
TEST CERTIFICATE
PHASE SEQUENCE INDICATOR
This Test Certificate warrantees that the
product has been inspected and tested in
accordance with the published specifications.
The instrument has been calibrated by using
equipment which has already been calibrated
to standards traceable to national standards.
ISO 9001
REGISTERED
QC
PASS
KUSAM-MECO
MODEL NO. _______________
SERIAL NO. ___________
DATE: ___________
KM 981MK-1

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WARRANTY
Each “KUSAM-MECO” product is warranted to be free from
defects in material and workmanship under normal use &
service. The warranty period is one year (12 months) and
begins from the date of despatch of goods. In case any
defect occurs in functioning of the instrument, under proper
use, within the warranty period, the same will be rectified by
us free of charges, provided the to and fro freight charges are
borne by you.
This warranty extends only to the original buyer or end-user
customer of a “KUSAM-MECO” authorized dealer.
This warranty does not apply for damaged Ic’s, fuses, burnt
PCB's, disposable batteries, carrying case, test leads, or to
any product which in “KUSAM-MECO’s” opinion, has been
misused, altered, neglected, contaminated or damaged by
accident or abnormal conditions of operation or handling.
“KUSAM-MECO” authorized dealer shall extend this
warranty on new and unused products to end-user customers
only but have no authority to extend a greater or different
warranty on behalf of “KUSAM-MECO”.
“KUSAM-MECO’s” warranty obligation is limited, at option,
free of charge repair, or replacement of a defective product
which is returned to a “KUSAM-MECO” authorized service
center within the warranty period.
THIS WARRANTY IS BUYER’S SOLE AND EXCLUSIVE
REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. “KUSAM-
MECO” SHALL NOT BE LIABLE FOR ANY SPECIAL,
INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES OR LOSSES, INCLUDING LOSS OF DATA,
ARISING FROM ANY CAUSE WHATSOEVER.
All transaction are subject to Mumbai Jurisdiction.
G 17, Bharat Industrial Estate, T. J. Road,
Sewree (W), Mumbai - 400 015. INDIA.
Sales Direct : [phone]
Tel. : [phone]. Fax : [phone]
Email : [email protected]
Website : www.kusamelectrical.com
www.kusam-meco.co.in
®