Common features of the instruments:

• measurement of protective conductor resistance with the currents: 200 mA, 10 A , 25 A ( protection class I),
• measurement of insulation resistance – three measurement voltages: 100 V,  250 V and 500 V,
• RCD testing,
• measurement of equivalent leakage current,
• measurement of residual leakage current,
• measurement of touch leakage current,
• measurement of power,
• measurement of current consumption,
• IEC lead test,
• measurement of mains voltage and frequency.

Other features:

• intuitive user interface,
• typing with QWERTY keyboard on the large and clear touch display,
• manual tests and auto tests, the ability to describe auto test with standards or any name,
• automatic measurement of RCD parameters,
• automatic measurement range selection,
• cooperation with a barcode reader and printer,
• support for barcode reader (including 2D), readings of the original serial numbers for the appliances and registration codes and auto test codes,
• the results can be printed (also automatically after every measurement), reports (works with the printer), two labels can be printed after a single test (for the device and a removable wire),
• build-in help with instructions how to connect test equipment and how to perform measurement,
• option to skip single measurement in the auto test, with the recording that choice of skipping of specified measurement was made conscious, the option does not apply to build-in auto tests,
• description of test equipment, measurement location, customer data, assigning the serial number of the device under test and the index can be stored in meter memory, ability to write notes about the device under the test 
• base of the appliances, customers, description of the equipment and damage.
• ability to create many user accounts with log-in function (as an option),
• supports USB flash drive;
• communication with PC via USB,
• works with the program Sonel Reader and Sonel PAT (option); measurement  and settings configuration from the meter and also from PC, data analysis.
• professional software for data processing and reporting.

Measurement of protective earth conductor resistance I=200mA (protection class I)

Display range	Resolution	Accuracy
0,00...0,99 Ω		±(4% m.v. + 2 digits)
1,00...19,99 Ω	0,01 Ω	±(4% m.v.  + 3 digits)

• test current: ≥200 mA for R = 0,2 Ω …1,99 Ω
• adjustable measurement time: 1 s…60 s with1 s resolution
• adjustable limit

Measurement of protective earth conductor resistance I=10A (protection class I)

Display range	Resolution	Accuracy
0...999 mΩ	1 mΩ	±(3% m.v. + 4 digits)
1,00...1,99 Ω	0,01 Ω	±(3% m.v. + 4 digits)

• test current: ≥ 10 A for R ≤ 0,5 Ω
• adjustable measurement time: 1 s…60 s with1 s resolution
• technical method
• adjustable limit

Measurement of protective earth conductor resistance I=25A (protection class I)

Display range	Resolution	Accuracy
0...999 mΩ	1 mΩ	±(3% m.v. + 4 digits)
1,00...1,99 Ω	0,01 Ω	±(3% m.v. + 4 digits)

• test current: ≥ 25 A for R ≤ 0,2 Ω
• adjustable measurement time: 1 s…60 s with1 s resolution
• adjustable limit

Measurement of insulation resistance 
Measurement range according to IEC 61557-2 for:

• U_N=100 V: 100 kΩ...99,9 MΩ
• U_N=250 V: 250 kΩ...199,9 MΩ
• U_N=500 V: 500 kΩ...599,9 MΩ

UN	Display range	Resolution	Accuracy
100V	0...1999 kΩ	1 kΩ	±(5% m.v. + 8 digits)
100V	2,0...19,99 MΩ	0,01 MΩ	±(5% m.v. + 8 digits)
100V	20,0...99,9 MΩ	0,1 MΩ	±(5% m.v. + 8 digits)
250V	0...1999 kΩ	1 kΩ	±(5% m.v. + 8 digits)
250V	2,00...19,99 MΩ	0,01 MΩ	±(5% m.v. + 8 digits)
250V	20,0...199,9 MΩ	0,1 MΩ	±(5% m.v. + 8 digits)
500 V	0...1999 kΩ	1 kΩ	±(5% m.v. + 8 digits)
500 V	2...19,99 MΩ	0,01MΩ	±(5% m.v. + 8 digits)
500 V	20,0...599,9 MΩ	0,1 MΩ	±(5% m.v. + 8 digits)

• nominal current: min 1 mA…1,4 mA
• adjustable limit
• adjustable measurement time: 3 s…3 min with 1 s resolution
• automatic discharge of the capacity of the tested device after measurement
• protection against measuring live devices

Measurement of PE and residual leakage current:

Display range	Resolution	Accuracy
0,00...3,99 mA	0,01 mA	±(5% m.v. + 2  digits)
4,0...19,9 mA	0,1 mA	±(5% m.v. + 2  digits)

• adjustable limit
• adjustable measurement time:1...60s  with1s resolution

Measurement of equivalent leakage current:

Display range	Resolution	Accuracy
0,00...3,99 mA	0,01 mA	±(5% m.v. + 2 digits)
4,0...19,9 mA	0,1mA	±(5% m.v. + 2 digits)

• open circuit voltage 25...50 V
• adjustable limit
• adjustable measurement time:1...60s  with1s resolution

Measurement of touch leakage current:

Display range	Resolution	Accuracy
0,00...4,999 mA	0,001 mA	±(5% m.v. + 3 digits)

• adjustable limit
• adjustable measurement time:1...60s  with1s resolution

Measurement of power S:

Display range	Resolution	Accuracy
0...999 VA	1 VA	±(5% m.v. + 3 digits) ±(8 % m.v. + 5 digits)*
1...3,99 kVA	0,01 kVA	±(5% m.v. + 3 digits) ±(8 % m.v. + 5 digits)*

• adjustable measurement time:1...60s  with1s resolution
• * - for measurement with clamps

Measurement of power P:

Display range	Resolution	Accuracy
0...999 W	1 W	±(5% m.v. + 3 digits) ±(8 % m.v. + 5 digits)*
1...3,99 kW	0,01 kW	±(5% m.v. + 3 digits) ±(8 % m.v. + 5 digits)*

• adjustable measurement time:1...60s  with1s resolution
• * - for measurement with clamps

Power factor PF:

Display range	Resolution	Accuracy
0,00...1,00	0,01	±(10% m.v. + 5 digits)

• adjustable measurement time:1...60s  with1s resolution

Measurement of current consumption:

Display range	Resolution	Accuracy
0,00...15,99 A	0,01 A	±(2% m.v. + 3 digits)

• adjustable measurement time:1...60s  with1s resolution

Voltage measurement:

Display range	Resolution	Accuracy
195,0…265,0 V	0,1V	±(2% m.v. + 2 digits)

Frequency measurement:

Display range	Resolution	Accuracy
45,0 Hz...55,0 Hz	0,1 Hz	±(2% m.v. + 2 digits)

Pomiar napięcia PE sieci:

Display range	Resolution	Accuracy*
0,0...59,9 V	0,1 V	±(2% m.v. + 2 digits)

• * - for U < 5 V accuracy is not specified

Measurements of RCD parameters
RCD trigger and response time test tA
Test range according to IEC 61557: 0 ms ... to the upper limit of displayed value

RCD type	Factor	Range	Resolution	Accuracy
General	0,5*IΔn	0...300 ms	1 ms	± (2% m.v. + 2 digits) (for RCD of IΔn=10 mA and the measurement with 0,5xIΔn accuracy is: ±(2% m.v.+ 3 digits)
General	1*IΔn	0...300 ms	1 ms	± (2% m.v. + 2 digits) (for RCD of IΔn=10 mA and the measurement with 0,5xIΔn accuracy is: ±(2% m.v.+ 3 digits)
General	2*IΔn	0...150 ms	1 ms	± (2% m.v. + 2 digits) (for RCD of IΔn=10 mA and the measurement with 0,5xIΔn accuracy is: ±(2% m.v.+ 3 digits)
General	5*IΔn	0...40 ms	1 ms	± (2% m.v. + 2 digits) (for RCD of IΔn=10 mA and the measurement with 0,5xIΔn accuracy is: ±(2% m.v.+ 3 digits)

Measurement of RCD disconnection current IA for sinusoidal differential current
Test range according to IEC 61557: (0,3...1,0)I_Δn

Selected  nominal  current of RCD	Range	Resolution	Test current	Basic  uncertainty
10 mA	3,3...10,0 mA	0,1 mA	0,3 x IΔ..1,0 x IΔ	± 5%IΔn
15 mA	4,5...15,0 mA	0,1 mA	0,3 x IΔ..1,0 x IΔ	± 5%IΔn
30 mA	9,0...30,0 mA	0,1 mA	0,3 x IΔ..1,0 x IΔ	± 5%IΔn

• it is possible to start the measurement from the positive of the negative half of forced leakage current
• test current passage time max. 3200 ms
• automatic measurement of RCD disconnection time (tA) and disconnection current 
• measurement for: 0,5I_Δn, 1I_Δn, 2I_Δn i 5I_Δn,

Electrical safety:

• measurement category: II 300V acc.to EN 61010-1
• enclosure protection rating acc. to EN 60529: IP40 (IP67 with lid closed)

Other technical specification:

• power supply: 195 V...265V, 50Hz
• load current: max. 16A (230V)
• data transmission to PC: USB 2.0, WiFi
• dimensions: 330 x 235 x 120 mm
• weight: approx. 6,2 kg
• operating temperature: -10°...+50°C
• storage temperature: -20°...+70°C
• humidity:20...80%
• display: TFT 7'’ 800x480