Thiết bị đo kiểm tra dòng RCD Sonel MRP-201

RCD type	Rated Current Multiplication Factor	Range	Resolution	Accuracy
General  or short delay	0,5*IΔn	0...300ms	1 ms	±(2% m.v. + 2 digits)*
	1*IΔn
	2*IΔn	0...150ms
	5*IΔn	0...40ms
Selective	0,5*IΔn	0...500ms
	1*IΔn
	2*IΔn	0...200ms
	5*IΔn	0...150ms

*for IΔn= 10mA and 0,5 I_Δn accuracy is ±2% m.v. + 3 digits

• residual current setting accuracy:
  - for 1*I_Δn, 2*I_Δn and 5*I_Δn: 0...8%,
  - for 0,5*I_Δn : -8...0%,
• nominal voltage U_n: 220V, 230V, 240V,
• work voltage range: 180...270V,
• nominal frequency f_n: 50Hz, 60Hz,
• work frequency range: 45Hz...65Hz.

RCD disconnecting current measurement for a sine AC test current (I_A)

Measurement range according to IEC 61557: (0,3...1,0)I_Δn

Selected rated RCD current	Range	Resolution	Measurement  current	Accuracy
10mA	3,3...10,0mA	0,1mA	0,3mA x IΔn ...1,0mA x IΔn	±5% IΔn
30mA	9,0...30,0mA
100mA	33...100mA	1mA
300mA	90...300mA
500mA	150...500mA

• start of measurement from the positive or negative half sine period of the test current
• test current flow time - max. 7510ms at f=50,0Hz.

RCD disconnecting current measurement for unidirectional pulsed residual current and unidirectional pulsed current with a 6mA DC offset (I_A)

Measurement range according to IEC61557: (0,15...1,4) I_Δn for I_Δn > 30mA and (0,15...2)I_Δn for I_Δn=10mA

Selected rated RCD current	Range	Resolution	Measurement  current	Accuracy
10mA	1,5...20,0mA	0,1mA	0,15 x IΔn ...2,0mA x IΔn	±10% IΔn
30mA	4,5...42,0mA
100mA	15...140mA	1mA	0,15mA x IΔn ...1,4mA x IΔn	±10% IΔn
300mA	45...420mA

• start of the measurement from the positive or negative half sine period of the test current
• test current flow time - max. 14710ms at f=50Hz

 

RCD response time measurement for the residual DC current (I_A)

Measurement range according to IEC61557: (0,2...2)I_Δn

Selected rated RCD current	Range	Resolution	Measurement  current	Accuracy
10mA	2...20,0mA	0,1mA	0.2mA x IΔn ...2,0mA x IΔn	±10% IΔn
30mA	6...60mA	1mA
100mA	20...200mA
300mA	60...600mA

• measurement possible for positive or negative residual current
• test current flow time - max. 4500ms at f=50Hz

I_Δn - rated residual current value RCD

Touch voltage measurement referred to the rated residual current (UB)
Measurement range according to IEC61557: 10,0...99,9V

Range	Resolution	Measurement current	Accuracy
0...9,9V	0,1	0,4 x IΔn	0...10% IΔn m.v. ± 5 digits
10,0...99,9V			0...15% IΔn m.v.

Earthing resistance measurement (R_E)

Selected rated RCD current	Range	Resolution	Measurement  current	Accuracy
10mA	0,01...5,00kΩ	0,01kΩ	4mA	0...+10% m.v. ± 5 digits
30mA	0,01...1,66kΩ		12mA	0...+10% m.v. ± 5 digits
100mA	1...5000Ω	1Ω	40mA	0...+5%m.v. ± 5 digits
300mA	1...166Ω		120mA
500mA	1...100Ω		200mA

 

Voltage measurement
Measurement range in accordance with IEC 61557: 1,1Ω...1,99kΩ

Range	Resolution	Accuracy
0,00...299,9V	0,1V	±(2% m.v. + 6 digits)
300...500V	1V	±(2% m.v. + 2 digits)

• frequency range: 45...65Hz 

Range	Resolution	Accuracy
45,0...65,0Hz	0,1Hz	±(0,1% m.v. + 1 digit)