SMG2000B Double Clamp Digital Phase Meter

clamp phase meter 1.high-precision, low price 2.portable hand-held 3.dual-channel input measuring. easy to operate.

clamp phase meter, clamp phase meter, digital  clamp phase meter  

Products features

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

Technical Specifications

Intrinsic Error

1. Reference Operating Conditions

     (1)Temperature(23±5)°C

     (2)Moisture(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

2 . Limits of Intrinsic Error

(1 )AC Voltage(see Table 1)

Table 1  Error of AC Voltage
Measure range	Resolution	Limits of intrinsic error
20V	0.01V	±(1.2%RD+2)
200V	0.1V	±(1.0%RD+2)
500V	1V	±(1.2%RD+2)

Input Impedance, All the measure range is 2MΩ

(2) Alternating current(see Table 2)

Table 2   Error of alternating current
Measure range	Resolution	Limits of intrinsic error
200mA	0.1mA	±(1.0%RD+2)
2A	1mA
10A	10mA

(3) Phase

U-U,U-I,I-I(see Table 3)

Table 3   Error of Power-frequency Phase
Range	Resolution	Limits of intrinsic error
0~360°	1°	±3°

Impedance of input voltage loop when measuring phase of U1-U2, 40KΩ

Operating error

1.Rated Operating Conditions

     (1)Temperature (0~40)°C

     (2)Moisture (20~80)% RH

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

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

     (5)(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 . Limits of Rated Operating Error

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

Other Technical Features

1 .Display, three and half

2. Sampling Rate, 3 times per second

3.Power Supply, Single 9V laminated cell,current of power is less than 5mA

4. Dimension

Meter shell,  192x95x55mm

Nipper shell,  140×42×20mm

Nipper jaw, Φ7×9mm

5. Weight

Meter body, 280g

Measuring pliers, 2×200g

6. Storage Conditions

Temperature, -10°C~50°C   

SMG2000B Double Clamp Digital Phase Meter