QQ：3081402071

Measurements of impedance in a short circuit loop.

• L-PE circuit,
• L-N, L-L circuit,
• L-PE(RCD) circuit - without tripping the circuit breaker ≥ 30 mA.

Low voltage resistance measurement:

• continuity measurement - DC current +200 mA with wire resistivity reset
• low current resistance measurement with accoustic signalling,

the measurements are posible in instalations 220/380 V, 230/400 V, 240/415 V with frequeency range 45...65 Hz.

memory of 10 banks of 99 cells each (min.10000 records).

Radio wireless interface comunication

Short circuit loop impedance Z_L-PE,Z_L-N,Z_L-L , resistance and reactance measurement
Short circuit loop impedance Z_S

• nominal work voltage Un_L-N / Un_L-L: 220/380 V, 230/400 V, 240/415 V,
• voltage range 180…270 V (for Z_L-PE i Z_L-N) and 180…460 V (dla Z_L-L),
• nominal network frequency fn: 50 Hz, 60 Hz,
• frequency range: 45…65 Hz,
• maximum measurement current 7,6 A for 230 V (3 x 10 ms), 13,3 A for 400 V (3 x 10 ms),
• PE terminal connection correctness check with the help of touch electrode (Z_L-PE, Z_L-PE(RCD)),
• short circuit current calculation for nominal voltage

Short circuit loop resistance RS and reactance X_S

calculated and displayed for Z_S<200 Ω

Short circuit loop impedance Z_L-PE RCD measurement - without tripping the circuit breaker
Short circuit loop impedance Z_S measurement

• No RCD reaction for I?n≥30 mA,
• nominal work voltage Un: 220 V, 230 V, 240 V,
• voltage range: 180…270 V,
• nominal network frequency fn: 50 Hz, 60 Hz,
• frequency range: 45…65 Hz,
• PE terminal connection correctness check with the help of touch electrode
• short-circuit current calculation for nominal voltage

Short circuit resistance RS and reactance XS display range (for ZL-PE RCD)*

*ocalculated and displayed for Zs<200 Ω

Low voltage resistance measurement
Measurement of continuity of equipotential bondings and protective conductors with ±200 mA current

• open terminals voltage: 4…9 V DC,
• output current at R<2 Ω: min 200 mA (ISC: 200...250 mA),
• test leads resistance compension,
• measurement for both current polarization

Low current resistance measurement

• open terminals voltage4...9 V DC
• output current ISC< 8 mA,
• accustic signal for measured resistance < 30 Ω ± 50%,
• test leads resistance compensation.

AC voltage measurement

• frequency range 45...65 Hz,
• test result refreshing: twice per second

Frequency measurement

• voltage range: 50... 500 V

Electrical safety:

• type of insulation: double, according EN 61010, 61557:2007 - 01
• measurement category: III 600 V (CAT IV 300 V)
• protectin class acc. to EN 60529: IP67

Other technical data:

• power supply: package of batteries (AA, 4 pcs.)
• batteries performance (short-circuit loop): min.5000 measurements

Rated operational conditions:

• operating temperature: 0...+50°C
• humidity: 20 - 80%
• rated mains voltage: 220/380 V, 230/400 V, 240/415 V

"m.v. = measured value"