NK TECHNOLOGIES DT Series Instructions

Specifi cations
Power Supply 24 VAC/VDC (22-26 V): Power input
and output signal are not isolated. Fuse
DC supply at 5 A, AC supply at 2.75 A.
120 VAC (108-132 V): Power input and
output signal are isolated. (See Note)
Power Consumption 2 VA
Output Signal 0-20 mA, 4-20 mA, 0-5 VDC or
0-10 VDC
Output Limit 0-20 mA, 4-20 mA: 23 mA; 500 Ω max
0-5 VDC: 5.75 VDC; 25 KΩ min
0-10 VDC: 11.5 VDC; 50 KΩ min
Accuracy 1% FS
Repeatability 1% FS
Linearity 0.75% FS
Frequency Range DC
Response Time 60 ms (to 90% of step change)
Isolation Voltage Tested to 3 KV (Monitored line
to output)
Sensing Aperture 0.75" (19.1 mm) diameter
Case UL94 V-0 Flammability rated
thermoplastic
Environmental -4 to 122°F (-20 to 50°C)
0-95% RH, Non-condensing
Pollution Degree 2
Altitude to 6561 ft (2000 meters)
Listings UL, cUL, CE
(Note: Not all models are UL/CE complaint. See product
label for UL/CE mark.)
For products intended for the EU market, the following is appli-
cable to the CE compliance of the product:
The 24 V DT series comply with EN 61010-1 CAT III 300 V max mea-
surement category. Power source overvoltage category I as defi ned per
EN 61010-1 .
Warning! Risk of danger
Safe operation can only be guaranteed if the
transducer is used for the purpose for which it
was designed and within the limits of the techni-
cal specifi cations. When this symbol is used,
it means you must consult all documentation to
understand the nature of potential hazards and the
action required to avoid them.
Warning! Risk of electrical shock
When operating the transducer certain parts
may carry hazardous live voltage (e.g. Primary
conductor, power supply). The transducer should
not be put into operation if the installation is not
complete.
Model Number Key
DT 0 - 420 - 24U - U - FL
POLARITY:
BP - Bipolar
U - Unipolar
POWER SUPPLY:
24U - 24 VAC or VDC (Universal)
120 - 120 VAC
OUTPUT:
005 - 0-5 VDC
010 - 0-10 VDC
020 - 0-20 mA
420 - 4-20 mA
RANGE:
0 - 0 to 5, 10 or 20 Amps DC
1 - 0 to 50, 75 or 100 Amps DC
2 - 0 to 100, 150 or 200 Amps DC
SENSOR TYPE:
DT - DC current sensor with analog output
Know Your Power
Other NK Technologies Products Include:
DC Current Switches, Ground Fault Sensors
AC & DC Current Switches, Power Transducers
Current & Potential Transformers (CTs & PTs)
3511 Charter Park Drive, San Jose, CA 95136
Phone: 800-959-4014 or 408-871-7510
Fax: 408-871-7515 FAX
sales@nktechnologies.com, www.nktechnologies.com
INSTRUCTIONS
DT SERIES Solid Core
0-20 or 4-20 mA; 0-5 or 0-10 VDC Outputs
Quick "How To" Guide
1. Place wire to be monitored through aperture.
Ensure monitored current fl ow matches arrow on
sensor or as noted on fi gure on reverse side.
2. Mount the sensor.
3. Connect power and output wiring.
A. Use 30-12 AWG copper wires rated 75°C mini-
mum. Tighten terminals to 5-7 in-lbs torque.
B. For current output models, ensure output load
is no more than 500 .
C. For voltage output models, ensure output load
is at least 25 K for 5 VDC and 50 Kfor 10
VDC.
4. Connect Power.
A. Connect the appropriate power supply.
291004109 Rev 4