Thiết bị đo cài đặt điện đa chức năng Sonel MPI-505

Measurement of short-circuit loop impedance  Z_L-PE, Z_L-N, Z_L-L

Measurement range acc. to IEC 61557: 0.13...1999Ω  for a 1.2 m test lead:

Display range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(5% m.v +5 digits)
20,0...199,9Ω	0,1Ω
200...1999Ω	1Ω

• Nominal operating voltage  Un_L-N/ Un_L-L: 115/200V, 220/380V, 230/400V, 240/415V
• Operating voltage range: 100…264V (for ZL-PE i ZL-N) and 100…440V (for Z_L-L)
• Nominal power network frequency  fn: 50Hz, 60Hz 
• Operating frequency range: 45…65Hz
• Maximal measurement current: 23A at 230V (10ms), 40A at 400V (10ms),
• Verification of correctness of the PE terminal connection with a touch  (for Z_L-PE)


Measurement of short-circuit loop impedance Z_L-PE  in the RCD mode      
Measurement range acc. to IEC 61557: 0.5...1999Ω for a 1.2 m test lead

Display range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(6% m.v + 10 digits)
20,0...199,9Ω	0,1Ω	±(6% m.v + 5 digits)
200...1999Ω	1Ω

• Does not trip RCD breakers of  RCD current  I_Δn ≥ 30mA
• Nominal operating voltage Un: 115V, 220V, 230V, 240V
• Operating voltage range: 100…264V
• Nominal power network frequency  fn: 50Hz, 60Hz
• Operating frequency range: 45…65Hz
• Verification of correctness of the PE terminal connection with a touch probe

 

Measurement of insulation resistance
Measurement range acc. to IEC 61557-2:
• for  U_N = 100V: 100kΩ...500MΩ
• for  U_N = 250V: 250kΩ...1GΩ
• for  U_N = 500V: 500kΩ...2GΩ
• for  U_N = 1000V: 1MΩ...3GΩ

 

Display range*)	Resolution	Accuracy
0...1999kΩ	1kΩ	±(3% m.v. + 8 digits)
2,00...19,99MΩ	0,01MΩ
20,0...199,9MΩ	0,1MΩ
200...500MΩ	1MΩ
200...1000MΩ	1MΩ
200...1999MΩ	1MΩ
2,00...3,00GΩ	0,01GΩ	±(4% m.v. + 6 digits)

 

*)  not exceeding the measurement range for a given voltage.

• Measurement voltage: 100 V, 250 V, 500 V and 1000 V
• Detection of presence of voltage before the measurement
• Discharge of the measured object after the measurement
• Measurements of voltage on terminals +R_ISO, -R_ISO within the range of: 0…440 V
• Measurement current < 2 mA

Low-voltage measurement of circuit continuity and resistance
Measurement of protective conductor continuity with current ±200 mA
Measurement range acc. to IEC 61557-4:  0.12...400Ω

Range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(2% m.v. + 3 digits)
20,0...199,9Ω	0,1Ω
200...400Ω	1Ω

• Voltage on open terminals: 4…9V
• Output current at R<2Ω: min. 200mA
• Compensation of test lead resistance
• Measurements for both polarities of current

Measurements of RCD breaker parameters (operating voltage range 100…264 V):
RCD tripping test and measurement of tA trip time (for the tA measurement function)

RCD type	Test current multiplier	Range	Resolution	Accuracy
Standard	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 I_Δn= 10mA and 0.5 IΔn uncertainty is  + 2% m.v. + 3 digits

Measurement of I_A RCD trip current for sinusoidal differential current:

Selected current	Measurement  range	Resolution	Test current	Accuracy
10mA	3,3...10,0mA	0,1mA	0,3xIΔn...1,0xIΔn	± 5% IΔn
30mA	9,0...30,0mA
100mA	33...100mA	1mA
300mA	90...300mA
500mA	150...500mA
1000mA	330...1000mA

• Capability of starting the measurement from either positive or negative half-period of forced leakage current

Measurement of IA RCD trip current for pulsating unidirectional current:

Selected current	Measurement  range	Resolution	Test current	Accuracy
10mA	4...20,0mA	0,1mA	0,4 x IΔn ...2,0 x IΔn	±10% IΔn
30mA	12,0...42,0mA		0,4xIΔ..1,4xIΔn
100mA	40,0...140mA	1mA
300mA	120...420mA
500mA	200...700mA

• Capability of measurement for either positive or negative half-periods of forced leakage current
• Maximal time of the measurement current flow is 3200 ms