METREL Instaltest 61557 MI 2087, Инструкция по эксплуатации

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MI 2087 Instaltest 61557 Technical specification
65
Frequency
Display range
f (Hz) Resolution
(Hz) Accuracy
45.0 ÷ 65.0
0.1
± (0.1% of r.
+1D)
Nominal voltage range ............................ 10
÷
440V
Varistor Over-voltage Protection Devices
(Breakdown voltage)
Display range
U (V) Resolution
(V) Accuracy
0
÷
1000
1 ±
(5% of r. +
10V)
Measurement principle.................. d.c.voltage ramp
Test voltage slope ........................................500 V/s
Threshold current ....... .................................... 1 mA
Illumination (LUX meter type B)
Display range
E (Lux) Resolution
(Lux) Accuracy
0.01
÷
19.99
0.01
20.0 ÷ 199.9
0.1
200 ÷ 1999
1
2.00
÷
19.99 k
10
±
(5 % of r. + 2D)
Measurement principle.............................................
............................silicion photodiode with V(
λ
) filter
Spectral response error............................................
.................. less than 3.8 % according to CIE curve
Cosine error..........................................................
.less than 2.5 % up to an incident angle of +/- 85 degress
Overall accuracy match to DIN 5032 Class B standard
Illumination (LUX meter type C)
Display range
E (Lux) Resolution
(Lux) Accuracy
0.1
÷
19.99
0.01
20.0 ÷ 199.9
0.1
200
÷
1999
1
2.00
÷
19.99 k
10
±
(10 % of r. +
Measurement principle .............. silicion photodiode
Cosine error .............................................................
.less than 3.0 % up to an incident angle of +/- 85 degress
Overall accuracy match to DIN 5032 Class C standard
Fault/Fuse/Conductor locator
Principle ...... Line loading or Imposing of test signal
Loading (mains voltage range
30
÷
264V/45
÷
65Hz):
Is < 1A pulsed
fs = 3600 Hz
Imposing (voltage free installation):
Us < 7V pulsed
fs = 3600 Hz
Isc < 50mA pulsed
Voltage Logging
Final result ............ U
AVG
, Umax/Nmax, Umin/Nmin
Input voltage range ......................................0 ÷ 440V
Sampling once per ................. 1s
÷
99s in steps of 1s
Total number of samples ............................. 1
÷
1999
6.2. General characteristics
Power supply....6Vd.c. (4 × 1.5V battery IEC LR14)
Automatic comparation of test result with set
high and low limit value ...................................... yes
Visual and sound warnings ................................ yes
Dimensions (w × h × d) ............26.5 × 11 × 18.5 cm
Weight (without accessories, with batteries).. 1.8 kg
Display....................................... LCD with backlight
Memories ...................approx. 1000
measurements
Computer connection ...................................RS 232
Protection classification ................ double insulation
Over-voltage cat. .........CATIII/300V or CATII/600V
Pollution degree..................................................... 2
Degree of protection ........................................ IP 44
Working temp. range ................................ 0
÷
40 °C
Nominal (reference) temp. range ........... 10
÷
30 °C
Max. humidity ......................... 85 % RH (0 ÷ 40°C)
Nominal (reference) hum. range ....... 40 ÷ 60 % RH
Auto power off ....................................................yes