UEi ECT690 Instruction Manual
1-800-547-5740 • Fax: (503) 643-6322
www.ueitest.com • email: info@ueitest.com
ECT690
INSTRUCTION MANUAL
Introduction
Use the ECT690 to perform quick checks of AC Volts, DC Volts, and
Continuity. LED’s indicate Voltage level and DC polarity, tone provides
audible indication of Continuity.
Features include
• AC Volts 12 to 690
• DC Volts 6 to 220
• Continuity
• One year limited warranty
Safety Notes
• Never use the tester if it or its test leads appear damaged.
• Never apply more than 1000V DC or 1000V AC rms. between
any terminal and earth ground.
• I n d i cates dangerous voltage present at the terminals if the LED
turns on.
• When using the probes, do not touch the metal probe tips.
• Disconnect the live test lead before disconnecting the common
test lead.
• Before each use, verify the tester’s operation by measuring a
known voltage.
Operating Instructions
Automatic Operation
The tester automatically turns on when you place the probes across a
complete circuit. The tester selects continuity or DC or AC voltage
mode based on the resistance or voltage between the probes. The
tester automatically turns off when you remove the probes from the
complete circuit.
Measuring Voltage
Connect test leads across the source or load under measurement. The
LEDs turn on at between 70% and 100% of their rated voltages.
DC Voltage AC Voltage
1000V DC maximum 1000V rms. maximum
45 Hz to 66 Hz
Testing for Continuity
Turn off circuit power before testing. Beeper indicates shorts lasting
1 ms or longer.
M a i n t e n a n c e
Battery Test and Replacement
Replace the batteries when touching the leads together no longer turns
on the continuity LED. Reference to (Fig 1) to replace batteries.
NOTE: Disconnect probes
from voltage.
NOTE: Do not
over-tighten screws
Observe battery polarity.
S p e c i f i c a t i o n s
ECT690-MAN P. 1
Function Range Accuracy
AC Voltage (V) 12, 24, 48, 110, 230, 400, 690 -30% to 0% of reading
DC Voltage (V) 6, 12, 24, 36, 48, 110, 220 -30% to 0% of reading
Continuity Test Audible threshold 0 - 85Ω, Continuity beeper 2KHz
Maximum Voltage Between any terminal and earth ground: 1000V DC,
1000V AC rms, overvoltage category III
Input Impudence 1MΩ
Relative Humidity 90% (0˚-30˚C), 75% (30˚-40˚C), 45% (40˚-50˚C)
Battery Type and Life (2) “AA”, 350 hours with NEDA 15F r IEC R6
Safety Complies with EN61010-1:1993 for use in overvoltage
CAT III environments
EMC Regulations EN50081-1, EN50082-1
(Fig 1)
Continuity
Beeping
Continuity
+VDC -VDC
VDC
+-
6
12
24
-+
+VDC -VDC
VDC
6
12
24
VAC
VAC
12
24
24
48
110
230
400
12V DC
12V DC
110V AC
Open
Short or 0 - 85KΩ
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