PAT-806
Catalog index: WMGBPAT806
Portable appliance and welding machines tester
PAT-806 digital meters are used to measure the parameters of portable electrical equipment (power tools, white goods, etc.) which determine their safety: resistance of protective conductors, insulation resistance, continuity of connections, leakage current, power. Specifically the instrument is dedicated to measure the welding equipment.
PAT-806 can be used to test the equipment performed in accordance with standards:
EN 60974-4: Arc welding equipment – Part 4: Periodic inspection and testing.
EN 60745-1: Hand-held motor-operated electric tools. Safety. General requirements.
EN 61029: Safety of transportable motor-operated electric tools. General requirements.
EN 60335-1: Household and similar electrical appliances -Safety -Part 1: General requirements.
EN 60950: Safety of information technology equipment (IT Equipment).
VDE 0404-1: Prüf- und Messeinrichtungen zum Prüfen der elektrischen Sicherheit von elektrischen Geräten. Teil 1: Allgemeine Anforderungen.
VDE 0404-2: Prüf- und Messeinrichtungen zum Prüfen der elektrischen Sicherheit von elektrischen Geräten. Teil 2: Prüfeinrichtungen für Prüfungen nach Instandsetzung, Änderung oder für Wiederholungsprüfungen.
VDE 0701-0702 Prüfung nach Instandsetzung, Änderung elektrischer Geräte. Wiederholungsprüfung elektrischer Geräte. Allgemeine Anforderungen für die elektrische Sicherhei.
Basic functions:
- measurement of parameters of arc welding machines (EN 60974-4):
– welding machine no-load voltage measurement,
– UP voltage (peak),
– welding circuit leakage current measurement, - measurement of protective conductor resistance with the currents: 200mA, 10A, 25A ( protection class I),
- measurement of insulation resistance – three measurement voltages: 100V, 250V and 500V
- measurement of equivalent leakage current,
- measurement of PE leakage current,
- measurement of residual leakage current,
- measurement of touch leakage current,
- measurement of equivalent leakage current,
- measurement of power,
- measurement of current consumption,
- IEC lead test,
- fuse test,
- check of the L-N circuit test,
- measurement of mains voltage and frequency.
Other:
- automatic measurement range selection,
- 990 memory cells for measurement results with option of uploading to a PC through a USB port or printing,
- professional software for data processing and reporting,
- cooperation with a barcode reader and printer,
- supports pendrive flash memory,
- large and clear display with backlight,
- ergonomic operation.
Measurement of protective earth conductor resistance I=200mA
(protection class I)
(protection class I)
| Display range | Resolution | Accuracy |
| 0,00…0,99 Ω | 0,01 Ω | ±(4% m.v. + 2 digits) |
| 1,00…19,99 Ω | ±(4% m.v. + 3 digits) |
• test current: ≥200 mA for R= 0,2…1,99 Ω
• upper limit adjustable in the 10 mΩ …1,99 Ω range with the 0,01 Ω resolution
• measurement time adjustable in 1…60 s range, with the 1 s resolution
Measurement of protective earth conductor resistance I=10 A (protection class I)
| Display range | Resolution | Accuracy |
| 0…999 mΩ | 1mΩ | ±(3% m.v. + 4 digits) ±(3% m.v. + 40 digits)* |
| 1,00…1,99 Ω | 0,01Ω |
*for two-wire measurement
• technical method
• test current: ≥10 A for RŁ0,5 Ω
• limit adjustable in the 10 mΩ …1,99 Ω range with the 0,01 Ω resolution
• measurement time adjustable in 1…60 s range, with the 1 s resolution
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)
±(3% m.v. + 40 digits)* |
| 1,00…1,99 Ω | 0,01 Ω |
*for two-wire measurement
• technical method
• measurement with sinusoidal current of the mains frequency, test current: ≥25 A for R≤0,2 Ω
• limit adjustable in the 10 mΩ …1,99 Ω range with the 0,01 Ω resolution
• measurement time adjustable in 1…60 s range, with the 1 s resolution
Measurement of L-N circuit resistance
| Display range | Resolution | Accuracy |
| 0…999 mΩ | 1 mΩ | ±(5% m.v. + 5 digits) |
| 1,00…4,99 Ω | 0,01 Ω |
• test voltage: 4…8 V AC
• short-circuit current: max. 5 mA
Measurement of insulation resistance
Measurement range according to IEC 61557-2 for:
UN=100V: 100kΩ…99,9MΩ
UN=250V: 250kΩ…199,9MΩ
UN=500V: 500kΩ…599,9MΩ
| UN | Display range | Resolution | Accuracy |
| 100V | 0…1999 kΩ | 1 kΩ | ±(5% m.v. + 8 digits) |
| 2,0…19,99 MΩ | 0,01 MΩ | ||
| 20,0…99,9 MΩ | 0,1 MΩ | ||
| 250V | 0…1999 kΩ | 1 kΩ | |
| 2,00…19,99 MΩ | 0,01 MΩ | ||
| 20,0…199,9 MΩ | 0,1 MΩ | ||
| 500V | 0…1999 kΩ | 1 kΩ | |
| 2…19,99 MΩ | 0,01 MΩ | ||
| 20,0…599,9 MΩ | 0,1 MΩ |
• limit adjustable in the: 0.01…9.9 MΩ range with the 0.1 MΩ resolution
• adjustable measurement time: continuous measurement (Cont), or from 4 s to 3 min with 1 s resolution
• automatic discharge of the capacity of the tested device after measurement
• protection against measuring live devices
• output current max. 1.4 mA
Measurement of PE and residual leakage current:
| Display range | Resolution | Accuracy |
| 0,00…3,99mA | 0,01mA | ±(5% m.v. + 2 digits) |
| 4,0…19,9mA | 0,1mA |
• limit adjustable in the 0.01…9.9 mA range with the 0.01 mA/0.1 mA resolution
• adjustable measurement time: continuous measurement (Cont), or 1…60 s with 1 s resolution
• in the middle of the measurement time, the meter automatically switches the polarity at the measuring terminal and displays the greater value
• current measurement band 40 Hz…100 kHz (for leakage current) or 20 Hz…100 kHz (for residual leakage current)
Measurement of equivalent leakage current:
| Display range | Resolution | Accuracy |
| 0,00…3,99 mA | 0,01 mA | ±(5% w.m. + 2 digits) |
| 4,0…19,9 mA | 0,1 mA |
• limit adjustable in the 0.01…9.9 mA range with the 0.01 mA/0.1 mA resolution
• adjustable measurement time: continuous measurement (Cont), or 1…60 s with 1 s resolution
• open circuit voltage 25…50 V
Measurement of touch leakage current:
| Display range | Resolution | Accuracy |
| 0,00…4,999 mA | 0,001 mA | ±(5% m.v. + 3 digits) |
• limit adjustable in the 0.01…1.99 mA range with the 0.01 mA resolution
• adjustable measurement time: continuous measurement (Cont), or 4…60 s with 1 s resolution
No-load voltage measurement for welding machines:
Voltage measurement UR (r.m.s.):
| Display range | Resolution | Accuracy |
| 5,0…170,0 V | 0,01 V | ±(2,5% m.v. + 5 digits) |
• upperlimit adjustable in the 5,0…170,0 V range with the 1 V resolution
UP (peak) voltage measurement:
| Display range | Resolution | Accuracy |
| 5,0…240,0 V | 0,1 V | ±(2,5% m.v. + 5 digits) |
• upperlimit adjustable in the 5,0…240,0 V range with the 1 V resolution
Welding circuit leakage current measurement IL:
| Display range | Resolution | Accuracy |
| 0,00…14,99 mA | 0,01 mA | ±(5% m.v. + 2 digits) |
• current measurement range results from the applied measurement system which is in accordance with EN 60974-4
• upperlimit adjustable in the 0,10 mA…14,90 mA range with 0,1 mA resolution
• adjustable time of measurement: 3 s…60 s with 1 s resolution
• upperlimit adjustable in the 0,10 mA…14,90 mA range with 0,1 mA resolution
• adjustable time of measurement: 3 s…60 s with 1 s resolution
Measurement of power S:
| Display range | Resolution | Accuracy |
| 0…999 VA | 1VA | ±(5% m.v. + 3 digits) |
| 1…3,99 kVA | 0,01kVA |
• adjustable measurement time: continuous measurement (Cont), or 1…60 s with 1s 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: continuous measurement (Cont), or 1…60 s with 1s resolution
Voltage measurement:
| Display range | Resolution | Accuracy |
| 187,0…265,0V | 0,01V | ±(2% m.v. + 2 digits) |
| Display range | Resolution | Accuracy |
| 45,0 Hz…55,0 Hz | 0,1 Hz | ±(2% m.v. + 2 digits) |
PE network voltage measurement:
| Display range | Resolution | Accuracy |
| 0,0…59,9 V | 0,1 V | ±(2% m.v. + 2 digits) |
Conforms to the EMC requirements according to EN 61326-1:2009 and EN 61326-2-2:2006
Electrical safety:
- insulation according to: EN 61010-1 and IEC 61557
- measurement category: II 300V acc.to EN 61010-1
- enclosure protection rating acc. to EN 60529: IP40
Other technical specification:
- power supply: 187…265 V, 50 Hz
- load current: max. 16 A (230 V)
- measurement results memory: 990 cells
- data transmission to PC USB
- dimensions: 330 x 235 x 120 mm
- weight: 4,75 kg
- operating temperature: 0…+40°C
- storage temperature:-20…+70°C
- humidity: 20…80%
Data Sheet 
User Manual
Declarations of Conformity
Firmware for PAT-806
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