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NASGQ Series Digital Display Clamp-on Phase Meter

Company Infomation
NANAO ELECTRIC (WUHAN) CO.,LTD
Free Membership.
Contact details
Online Talk : QQ:2188933687 Online Talk
Contact :Allen Cici (Marketing Assiistant , Ms.)
Tel Phone :86-27-87677658
Mobile :+86-15327206266
Fax :86-27-87677658
Country/Region :HuBei - China (Mainland)
Address :Optics Valley Technology Industrial Park Building 8, No. 60
Zip/Postal code :430074
Website :http://nanaoelec.global-trade-center.
com

NASGQ Series Digital Display Clamp-on Phase Meter

Product Detailed Description

NASGQ Series Digital Display Clamp-on Phase Meter

Product introduction

NASGQ series Digital Display Clamp-on Phase Meter is special designed for voltage, current and phase tests, it is in high-precision, low price, portable hand-held, dual-channel input measuring. It's easy to measure the phase between U-U, I-I and U-I, identify the inductive circuit ,capacitive circuit and the phase sequence of three-phase voltage, detect the wiring group of transformer, test the secondary circuit and bus differential protection system, display the phase relationship among the CT groups of a differential protection system, and check if the wire of electric meter was correctly connected. When testing customers do not need cut off the tested current which input by slip core current transformer. When measuring the phase between U1 and U2, the two input circuit loop are completely isolated, so the possible miss connection is absolutely avoided, which may result in short circuit and may even burn the meter. The monitor of the device is high-contrast LCD screen, and the character in which could be as high as 25mm, and can be freely rotated approximately 70 °, which helps to obtain the best visual effects.

The shell of the device is made of engineering insulating material, together with a rubbermade anti-vibration protection kits for safety and reliability.

Also called name

Phase meter, clamp phase meter, digital clamp phase meter,NASGQ Series Digital Display Clamp-on Phase Meter

The Characteristics of the products

1. Withstand Voltage

Parts between voltage input terminal and meter shell, parts between the iron core of the clamp-current transformer and secondary windings can stand 1000V/50Hz. Parts between the two voltage input terminals can stand Sinusoidal AC Voltage 500V/50Hz for 1min when testing.

2. Insulation Resistance

Between meter circuit and meter shell, between the two voltage input terminals:10MΩ

The parameters of the products

1. Intrinsic Error

1.1 Reference Operating Conditions

(1) Temperature: (23±5)

(2) Humidity: (45~75)% RH

(3) Wave forms of measured signal: sine wave β=0.02

(4) Frequency of measured signal: (50±0.2)Hz

(5) Position of Measured current carrying conductor in the nipper jaw: Optional position

(6) Amplitude range of measured signal when measuring phase: 100~220V, 0.5A~1.5A

(7) External reference frequency electromagnetic interference: Should be avoided

1.2 The limits of intrinsic error

 

project

NASGQB

NASGQE

Error of AC Voltage

Measure range

20V

200V

500V

20V

200V

500V

Resolution

0.01

0.1

1

0.01

0.1

1

Intrinsic limits of error

±(1.2%RD+2

±(1.0%RD+2)

±(1.2%RD+2)

±(0.3%RD+0.2% Range

Input Impedance

All the measure range is 2MΩ

All the measure range is 2MΩ Voltage input impedance of phase testing: >500KΩ

Error of AC Current

Measure range

200mA

2A

10A

200mA

2A

10A

Resolution

0.1mA

1mA

10mA

0.1mA

1mA

10mA

limits of intrinsic error

±(1.0%RD+2)

±(0.3% RD +0.2% Range

Error of Power-frequency Phase

Range

0360°

Resolution

limits of intrinsic error

±3°

±2°

 

2. Operating error

2.1 Rated Operating Conditions

(1) Temperature (0~40)

(2) Humidity: (20~80)% RH

(3) Wave forms of measured signal: sine wave β=0.05

(4) Frequency of measured signal: (50±0.5)Hz

(5) Position of Measured current carrying conductor in the nipper jaw: Optional position.

(6) Amplitude range of measured signal when measuring phase,

    Phase U1-U2: 30V~500V

    Phase I1-I2: 10mA~10.00A

    Phase U1-I2 or I1-U2: 10V~500V, 10mA~10.00A

(7) External reference frequency electromagnetic interference: should be avoided

2.2 Limits of rated operating error

   Under the conditions described in 1, the limits of rated operating error will not exceed twice of the limits of intrinsic error.

3. Other technical parameters:

(1) Display: three and half digital

(2) Sampling rate: 3 times/ seconds

(3) Power supply: single laminated batteries with 9V, the current of power supply is less than 5 mA.

(4)Dimension:

The size of the shell of meter: 192mm×95mm×55mm

The size of the shell of clamp: 140mm×42mm×20mm

The size of jaws: Φ7mm×9mm

(5)Weight:

The weight of meter: 280g

The weight of clamp: 2×200g

(6)the conditions of storage:

Temperature: -10~ 50

 

NAVAT Automatic Intelligent CT PT Calibration Tester 

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Company Detailed

Manufacture equipment include:
-- SF6 circuit breaker and GIS; 
-- Oil-Immersed (No Pd) Test Transformer
-- Automatic Insulating Oil Dielectric Tester
-- Partical Discharge/High Voltage Withstand Device
-- 5kA-500kA Impulse Current Generator
-- 10-7200kV Impulse Voltage Generator;
-- Microcomputer Relay Protection Tester;
-- CT, PT, CVT;
-- Voltage Divider/High Voltage Measuring Device/Six Phases Tester;
-- Measurement Product/Secondary Circuit Tester;
-- Cable/Circuit/Lightning Arrester Test Device;
-- Earthing/Insulation/SF6 Gas Detection;
-- Transformer Inspection/Switch Testing Device;
For now, we have finish several big abroad bidding of turn-key project on above field.

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