Amprobe DMIII-Multitest Power-Quality-Recorder Manual do Utilizador descarregar pdf (Página 78)

AMPROBE

DMIII MULTITEST

EN-76

14. TECHNICAL SPECIFICATIONS

14.1. TECHNICAL FEATURES

Accuracy is indicated as [% of reading + number of digits]. It refers to the following

atmospheric conditions: a temperature of 23°C ± 5°C with a relative humidity < 60%.

14.1.1. Safety Test functions

 LOW: 200mA CONTINUITY TEST (AUTO, RT+, RT- MODE)

Range []

Resolution []

Accuracy(*)

0.01  9.99

10.0  99.9

0.01

0.1

(2% Reading + 2 digit)

(*) After Test leads calibration

Test Current > 200mA DC per R5 (Test leads included)

Resolution for Test current: 1mA

Open Circuit Voltage 4V  V0  24V

 INSULATION TEST

Test Voltage [V]

Range [M]

Resolution [M]

Accuracy

0.01  9.99

0.01

(2% Reading + 2 digit)

10.0  49.9

0.1

50.0  99.9

0.1

(5% Reading + 2 digit)

100

0.01  9.99

0.01

(2% Reading + 2 digit)

10.0  99.9

0.1

100.0  199.9

0.1

(5% Reading + 2 digit)

250

0.01  9.99

0.01

(2% Reading + 2 digit)

10.0  199.9

0.1

200  249

250  499

(5% Reading + 2 digit)

500

0.01  9.99

0.01

(2% Reading + 2 digit)

10.0  199.9

0.1

200  499

500  999

(5% Reading + 2 digit)

1000

0.01  9.99

0.01

(2% Reading + 2 digit)

10.0  199.9

0.1

200  999

1000  1999

(5% Reading + 2 digit)

Open circuit Test Voltage <1.3 x Nominal Test Voltage

Short Circuit Current <6.0mA with 500V Test Voltage

Nominal Test Current 500V >2.2mA with 230k

other >1mA with 1k*Vnom

 FREQUENCY MEASUREMENT

Range [Hz]

Resolution [Hz]

Accuracy

47.0  63.6

0.1

(0.1%Reading+1 digit)

RCD and LOOP function are active only for 50Hz  0,5Hz frequency

 PHASE ROTATION : VOLTAGE MEASUREMENT

Range [V]

Resolution [V]

Accuracy

0  460V

(3%Reading + 2digit)

 GROUND TEST: RESISTANCE MEASUREMENT WITH EARTH RODS

Range RE []

Resolution []

Accuracy

0.01 – 19.99

20.0 – 199.9

200 - 1999

0.01

0.1

(5% Reading + 3 digit)

Test Current <10mA – 77.5Hz

Open circuit Test Voltage <20V RMS

 GROUND TEST: RESISTIVITY MEASUREMENT

Range 

Resolution

Accuracy

0.60 19.99 m

20.0  199.9m

200  1999m

2.00  99.99km

100.0  125.6km(*)

0.01 m

0.1m

1 m

0.01 km

0.1 km

(5% Reading + 3 digit)

(*) setting distance = 10m

Test Current <10mA – 77.5Hz

Open circuit Test Voltage <20V RMS

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 103 104

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