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The meter has been designed for fitters and measurement technicians performing services in residential buildings, office blocks, manufacturing plants and any facilities possessing a low-voltage electrical system. The instrument is also recommended for electrical maintenance personnel.

Measurements of impedance in a short-circuit loop Z within the range S
of 0.24...200 Ω
Short-circuit current IK: 0.115 - 1769 A (U =230 V)
AC voltage measurement: 0 - 440 V

• Rated operating voltage U_nL-N / U_nL-L : 220/380V, 230/400V, 240/415V
• Operating voltage range: 180…270V (for Z_L-PE i Z_L-N ) and 180…440V (for Z_L-L )
• Rated network frequency f_n : 50Hz, 60Hz
• Frequency operating range: 45…65Hz
• Maximum measurement current: 15,3 A for 230 V (10ms) and 26,7 A for 400 V (10ms)

Short-circuit resistance R_S and reactance X_S display range:

Calculated and displayed fori Z_S <10 Ω.

Short-circuit current I_K display
Measuring range according to IEC 61557 can be calculated based on Z_S
measuring range and rated voltage values.

Short-circuit loop impedance Z_S measurement

Voltage measurement

Electrical safety:

• type of insulation double, according to EN 61010-1 and IEC 61557
• measurement category III 300 V according EN 61010-1
• protection class acc. to EN 60529 IP67

Other technical data:

• power supply LR6 alkaline batteries or NiMH rechargeable AA batteries (4 pcs.)
• dimensions 220x98x58 mm
• instrument weight incl. batteries 509g
• storage temperature -20...+70 C^o - working temperature -10...+50 C^o
• humidity 20...80%
• reference temperature +23 ± 2 C^o
• reference humidity 40...60%
• altitude < 2000m
• Auto-OFF time max. 900 sec.
• number of Z measurement (for rechargeable batteries) >5000 (2 measurement/minute)
• display LCD segment
• quality standard developed, designed and manufactured acc. to ISO 9001
• the instrument is compliant with the requirements of IEC 61557
• the instrument complies with PN-EN 61326-1:2006 and EN 61326-2-2:2006