Kewtech KT1780 User manual

KT1780 / KT1790

4mm probe tips (GS38)

Instrument may power on due to the influence of
static charge.
Auto-power off may not operate when a
significant electric magnetic field exists in the
vicinity.

KT1780 / KT1790
KT1790
( Self-diagnostic test)

KEWTECH
Kewtech Corporation Ltd
Unit 2, Shaw Wood Business Park
Shaw Wood Way
Doncaster
DN2 5TB
Tel: [phone]
Web: www.kewtechcorp.com

Certificate of Conformity
&
Warranty Registration
This instrument has been calibrated using
equipment which has itself been calibrated to
standards traceable to International Standards
monitored by BIPM (International Bureau of
Weights and Measures)
This certificate guarantees that the product has
been fully inspected and conforms to all the
relevant published specifications.
Free Two Year Warranty
Kewtech’s Two Year Warranty enhances the
customers’ legal rights. It covers all manufactur-
ing defects for a two year period but Kewtech
reserves the right to exclude abuse or accidental
damage.
To register your free guarantee simply go to
www.Kewtechcorp.com, the link is on the home
page.
Re-calibration Service
Regular re-calibration is recommended for this
instrument. Kewtech recommends that with
normal use the instrument is calibrated at least
once in every 12 month interval.
When the instrument is due for re-calibration
return it to the address below marked for the
attention of the Calibration Department.
Kewtech Corporation Ltd.
Shaw Wood Business Park, Shaw
Wood Way, Doncaster, DN2 5TB
Tel: [phone]

•UK specific slender probe tips to GS38
and with no need to swap ends
•Designed to the new internatonal safety
standards IEC 61243-3 / IEC 61010-1
Measurement Category CAT 1V 600V
•Clear oversize LED indication
•AC and DC voltage tests up to 690V
•Continuity test
•Clear audible tone
•Single pole phase test
•Polarity indication
•Phase rotation test
•Self diagonostic test
•Double moulding gives comfortable grip
•Auto power on/off
•Extra bright white light pen torch
•Probe cover protects user and probe tips
•IP65
KT1780
2 POLE VOLTAGE DETECTOR
•Built in test leads
•Batteries
•Printed Instruction Manual with
Certificate of Conformity
PRODUCT DATA SHEET
ACCESSORIES
OPTIONAL
•Calibration Certificate
•Kewprove3 - Proving Unit
•Kewlok - Locking Off Device
VOLTAGE TEST
SINGLE POLE PHASE TEST
Voltage Range 100~690V AC (45~100Hz)
GENERAL
t. 01494 792 212 kewtechcorp.com e:[email protected]
KT1780
SPECIFICATIONS
Voltage Detector
PHASE ROTATION TEST
System
Three-phase 4-wire system
200~690V phase-to-phase
(100~400V earth-to-phase)
AC 50/60Hz
CONTINUITY TEST
Detection Range 0~400K Ω + 50% (23 ± 5ºC)
Test Current Approx. 1.5µA (battery 3V, 0 Ω)
Internal Battery Consumption Approx. 80mA (battery 3V, 0 Ω)
Operating ref. conditions -15~55ºC no Condensation max 85% RH
Storage ref. condition -20~70ºC no Condensation, max 85% RH
Safety standards
IEC 61010-1:2010, IEC 61243-3:2010, IEC 601010-031:2008
Category: CAT III 690, CAT IV 600V polution deg 2
IEC 61557-7:2007
IP Rating IP65 (IEC60529)
Dimensions 243 x 64 x 26 mm
Weight 190g (including batteries)
Batteries 3V (2 x 1.5V AAA / LR03)
Voltage Range 12 - 690V AC/DC
Peak Current Is <3.5mA (at 690V)
Internal Battery Consumption Approx. 80mA (battery 3V, measuring 690V AC)
Battery Life Approx. 1000 operations (30s ON/240s OFF duty)
Nominal Voltage 12/24/50/120/230/400/690V, AC (16~400Hz), DC (±)
Tolerance
(Threshold voltage)
Light on at more than : 7 ± 3V (12V LED),
: 18 ± 3V (24V LED), : 37.5 ± 4V (50V)
75%±5% of nominal voltage, (120/230/400/690V LED)
Response Time <0.6s at 100% of each nominal voltage