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You are here: Home » Products » 2mA/2mA Voltage Transformer » 2mA/2mA Voltage Transformer with UL Certificate for UPS
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2mA/2mA Voltage Transformer with UL Certificate for UPS

ZMPT101K miniature voltage transformer is designed for applications where AC voltage signals must be transformed accurately into a lower voltage signal appropriate for micro-processor based circuits. ZMPT101K current-type voltage transformer is a kind of mA current transformer, which turn ratio between primary and secondary is similar to 1:1. a limiting resistor is nessary to be in it with primary winding.ZMPT101K is popular to a limited internal space of devices.
The model can be designed and manufactured to meet the specific design challenges of the client’s specific application.ZMPT101K is only a small sampling of the many different products which have been and are currently being manufactured.

Structural parameters


ZMPT101K

Current-type Voltage Transformer

Small size, high accuracy, good consistency,  for voltage and power measurement

The main technical parameters

Model                

ZMPT101K                

Rated input current                

2mA                

Rated output current                

2mA                

turns ratio                

1000:1000                

phase angle error                

20'(input 2mAsampling resistor 50Ω                

linear range                

0~1000V       0~10mAsampling resistor 50Ω                

linearity                

0.2% (20%dot~120%dot)                

Permissible error                

-0.2%f +0.2%input 2mAsampling resistor 50Ω                

isolation voltage                

4000V                

application                

voltage and power measurement                

Encapsulation                

Epoxy                

installation                

PCB mountingPin Length>3mm                

Operating temperature                

-40~+85                

Direction for use


1. The typical usage of the product is for the active output (Figure). Ris a limiting resistorR is a sampling resistor.

                                           2. The product can be directly through the resistance sampling , easy to use ( FigureⅡ).

Test data

Typical test data-ZMPT101K
Inspection itemInspection DeviceInspection Requirements
Appearance InspectionVIsual No crack, no scratch, no stain
Pin Length(mm)Vernier Caliper3.5±0.5
Same PolarityHESE Transformer calibratorPin 1 and Pin 3
Insulation ResistanceMN4231B Hi-pot Tester1GΩ@500Vdc
Dielectric StrengthMN4231B Hi-pot Tester4000V, 1min, 1mA
Output Ratio ErrorHESE Transformer calibrator≤0.2%(RL=50Ω)
Phase ErrorHESE Transformer calibrator≤20'(RL=50Ω)
Test Point% of input 2mA, 50Ω
5205080100120
1#Ratio error(%)-0.085 -0.110 -0.110 -0.125 -0.128 -0.128 
Phase error(')26.00 21.00 17.00 14.00 13.00 11.30 
2#Ratio error(%)-0.080 -0.106 -0.111 -0.110 -0.114 -0.115 
Phase error(')22.00 19.70 15.80 13.00 11.80 10.90 
3#Ratio error(%)-0.069 -0.100 -0.108 -0.112 -0.119 -0.120 
Phase error(')24.00 21.00 17.00 15.00 13.00 12.40 
4#Ratio error(%)-0.047 -0.075 -0.076 -0.083 -0.090 -0.092 
Phase error(')19.00 17.32 15.00 13.00 12.20 11.30 
5#Ratio error(%)-0.080 -0.110 -0.114 -0.119 -0.125 -0.124 
Phase error(')25.00 21.00 17.00 14.00 13.00 11.80 


Material List

ZMPT101K Material list
NO.MaterialSpec, modelUL codeSGS
1Nanocrystalline coreØ9.5×15×10——yes
2Core boxPBTE332375yes
3Tape8mm Flame retardant,Environmental protectionE165111yes
4Enameled wire(Winding wire)2UEWØ0.07E258243yes
5Outer coveringEnvironmental protectionE238981yes
6Fills and seals materialTXH-9201-10 epoxy resin insulating compoundE196959yes


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