DPMs for Transformer testing benchMakes your testing safer, simpler, faster & organised

Uma’s range of DPMs for Transformer testing bench

make the testing Safer, Simpler, Faster & Organized.

The true RMS measurement gives accurate result

The relay facility enable the user to automatically

switch off contractor, switch on Buzzer/Emergency

lamp or decreasing the variac’s output.

l True RMS

l Microcontroller based accurate & reliable

l F. our digit resolution with autoscaling

Compact DIN size Dimensions (mm)96 x 96 x 65 mm for DVDF/DTR-1/DTA-3/DTV-3, 48 x 96 x 110 for DTF-1

l

COMMON FEATURES

TM

Innovation to Engineering

Office:H1-54,Phase-1,Road 2D, Bindayaka, Jaipur-302012, Rajasthan, India.

www.umaelectronics.com info@umaelectronics.com

RIICO Industrial Area,

Website:E-Mail:

Factory:A-404, Vaishali Nagar, Near Nursery Circle, Jaipur-302021, Rajasthan, India

0141-4017564/2357564 +91-8003378523 0141-4022564

Phone: Mob:Fax:

Double Voltage Double Frequency (DVDF-1)

Digital Three phase Voltmeter (DTV-3) & Ammeter(DTA-3)

KV Meter (DTV-1)

Digital Frequency Meter (DTF-1)

Timer with relay (DTR-1)

TRUE RMS Readings.

Input Voltage Range 30 - 1100 V for frequency Range 30 - 200 Hz .

Accuracy Class 0.2.

Simultaneous display of voltage & frequency.

Application : Use in DVDF test.

Input Voltage Range 2 - 300V.

Accuracy Class 0.5.

PT ratio settable using DIP switch.

Application : Use in HV test.

Measurement : Zero crossing based

Input Voltage Range : 30 - 600 V AC.

Frequency Range : 20.00 - 200.0 Hz

Accuracy : ± 0.05 Hz

Range 0-120 s

Front key for setting & operating the instrument.

Provided with relay facility.

Application : Use in DVDFand HV test. Relay can be connected to either decrease ‘switch’, indicating lamp or buzzer.

DTV-3

Range- 10 -600 V AC.

Application : Use in OC/SC Test.

TRUE RMS Readings.

Simultaneous display of all three phases.

Accuracy Class 0.5.

DTA-3

Range 0.2 - 20 A AC CT ratio settable.

Over current protection relay with user settable set point (optional).

Application : Use in DVDF & OC/SC Test.

www.umaelectronics.com