Gossen Metrawatt METRAHIT 14A Bruksanvisning
Gossen Metrawatt
Mätinstrument
METRAHIT 14A
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Analog-digital multimeters
METRA 12S ... 18S, 14A
GOSSEN-METRAWATT 1
CAMILLE BAUER
METRAWATT
GOSSEN
Automatic Blocking System (ABS) *
The automatic blocking system prevents incorrect connection of
the test leads and incorrect selection of the measured quantity.
This reduces danger to the user, the meter and the system to a
remarkable extent, and eliminates it in many cases.
Interface and software METRAwin 10
The multimeters are fitted with a serial RS-232 C interface via
which the measured values, the position of the operating controls
and the meter type can be transmitted to a PC by means of a
telegram. These values, electrically isolated, are transmitted to the
attachable interface adapter with infrared light through the case *.
MIN/MAX value storage
In addition to the display of the actual measured value, the mini-
mum or maximum value can constantly be updated and stored.
Indication of negative values on the analog scale
When measuring DC quantities, also negative values are shown
on the analog scale so that variations of the measured value can
be observed at the zero point.
Root-mean-square value with distorted waveform
(METRA
Hit
16S and 18S)
The measuring principle employed permits the measurement of
the root-mean-square value (TRMS) of AC quantities and mixed
quantities (AC and DC) regardless of the waveform.
Automatic data hold *
The DATA HOLD function makes it possible to hold the digitally
displayed measured value. According to a patented method, it is
ensured that no freak value but the actual measured value is held
in the case of rapid changes in measured quantities. The held
measured value appears on the digital display. The actual mea-
sured value continues to be shown on the analog scale.
Autoranging/manual range selection
The measured values are selected with the rotary switch.
The measuring range is automatically matched to the measured
value. The measuring range can also be selected manually via the
AUTO/MAN push-button.
Continuity test
This permits testing for short circuit and/or interruption. In addi-
tion to the display, a sound signal is possible.
Temperature measurement
It is possible to use all meters for direct connection of temperature
sensors, automatic identification of Pt 100 and Pt 1000 elements
as for temperature measuring ranges.
Overload warning
A sound signal reports violation of the overload limits.
Signalling in the case of a blown fuse
The display FUSE points to a blown fuse.
Power economizing circuit
The meter disconnects automatically when the measured value
remains unchanged for about 10 minutes and no operating con-
trol was operated during this time. The disconnection facility can
be disabled.
Protective holster for rough duty
A holster of soft rubber with tilt stand protects the meter against
damage in the case of shock and drop. The rubber material
makes for the meter to stand firmly even on a vibrating surface.
* Protected by patent rights
Top model METRA
Hit
18S
The top model METRAHit 18S features a 4 3/4 digit display
(31 000 digits) as well as the following additional functions:
Event counter, measurement of the duration of the event, total
time, time counter, data compare, MIN/MAX values with time rec-
ognition and wide-range capacitance measurement.
Calibration
The multimeters of the METRAHit S series can be calibrated auto-
matically via the RS-232 data interface with the aid of the multi-
function calibrator METRAtop 90C and the METRAwin 91 soft-
ware.
Training
We offer interesting seminars with practical training on the topic
"Correct measurements in adverse environmental conditions
(EMC) with multimeters and PC". The seminars are in German.
These seminars also provide detailed information on the operation
of the METRAHit 18S including the METRAwin 10 software and
also deal with the actual measurements specified by DIN VDE.
Mark approvals
Applied rules and standards
IEC 1010-1
DIN EN 61010 part 1
VDE 0411-1
Safety requirements for electrical equipment
for measurement, control and laboratory use
DIN 43 751 Digital measuring instruments
DIN EN 50081 part 1 Generic emission standard;
residential, commercial and light industry
DIN EN 50082 part 1 Generic immunity standard;
residential, commercial and light industry
VDI/VDE 3540 Reliability of measuring and control equipment
DIN EN 60529
DIN VDE 0470 part 1 Test equipment and test procedures
– Degrees of protection provided by enclosures (IP Code)
2GOSSEN-METRAWATT
Specifications METRA
Hit
12S ... 16S, 14A
1) TRMS measurement
2) Direct display with clip-on transformer 1000:1
4) At 0 °C...+40°C
5) With zero setting; w/o zero setting + 35 digits
6) With zero setting; w/o zero setting + 50 digits
7) METRAHit 13S (w/o 16 A fuse!): 16 A cont., 20 A for 5 min;
METRAHit 14A, 14S ... 16S: 12 A for 5 min, 16 A 30 s
8) Range 3 V : UE= 1.5 Vrms . . . 100 Vrms
30 V : UE= 15 Vrms . . . 300 Vrms
300 V : UE= 150 Vrms . . . 1000 Vrms
9) On the range 3V , rectangular signal positive at one end 5 ... 15 V, f = const.,
not 163.84 Hz or integer multiple.
10) Without sensor
Meas.
function Measuring range Resolution Input impedance Inherent deviation of the digital display
±(...% of meas. val. +... digits) for reference conditions Overload capacity 4) Measuring
function
Overload
value Overload
duration
METRA
Hit
12S 13S 14A 14S 15S 16S 12S 13S/14A 14S 15S 16S
V
30.00 mV ● ● ●●●● 10 µV>10GΩ//<40pF 0.5 + 3 5) 0.5+3
5)
1200 V
DC
AC
effective
sinusoidal
cont.
V
300.0 mV ● ● ●●●●100 µV>10GΩ//<40pF 0.5 + 3 0.5+3
3.000 V ● ● ●●●● 1mV 11MΩ//<40pF 0.25 + 1 0.1+1
30.00 V ● ● ●●●● 10 mV 10 MΩ//<40pF 0.25 + 1 0.1+1
300.0 V ● ● ●●●●100 mV 10 MΩ//<40pF 0.25 + 1 0.1+1
1000 V ● ● ●●●● 1 V 10 MΩ//<40pF 0.35 + 1 0.1+1
V3.000 V ● ● ●●●●
1) 1mV 11MΩ//<40pF 0.75 + 2 (10 ... 300 D)
0.75 + 1 (> 300 D) 0.75 + 3
(> 10 D) V
30.00 V ● ● ●●●●
1) 10 mV 10 MΩ//<40pF
300.0 V ● ● ●●●●
1) 100 mV 10 MΩ//<40pF
1000 V ● ● ●●●●
1) 1 V 10 MΩ//<40pF
V3.000 V ●1) 1mV 11MΩ//<40pF — — — — 0,75 + 3
(> 10 D) V
30.00 V ●1) 10 mV 10 MΩ//<40pF — — — —
300.0 V ●1) 100 mV 10 MΩ//<40pF — — — —
1000 V ●1) 1 V 10 MΩ//<40pF — — — —
Voltage drop, approx.
12S 13S /14A 14S /
15S/16S
A
300.0 µA●●●
100 nA ——15 mV — — 1.0 + 5 (> 10 D) 0.5 + 5 (> 10 D)
0.36 A cont. A
3.000 mA ● ● ●●●● 1µA 15 mV 15 mV 150 mV 1.0 + 5 (> 10 D) 1,0+2 0.5+2
30.00 mA ● ● ●●●●10 µA 150 mV 150 mV 650 mV 0.25 + 2 1.0 + 5 (> 10 D) 0.5 + 5 (> 10 D)
300.0 mA ● ● ●●●●
100 µA1V 1V 1V 1.0 + 2 0,5+2
3.000 A ●●●●● 1mA — 100 mV 100 mV — 1.0 + 5 (> 10 D) 1.0 + 5 (> 10 D) 7) 7)
10.00 A 16A ●●●●10 mA — 300/270mV 270 mV — 1.0+2 1.0+2
A
3.000 mA ● ● 1µA——150 mV — — 1.5 + 2 (> 10 D) — 0.36 A cont. A
30.00 mA ● ● ● 10 µA 150 mV 150 mV — 1.5 + 2 (> 10 D) — — —
300.0 mA ● ● ●●●100 µA1V 1V 1V 1.5 + 2 (> 10 D) — 7) 7)
10.00 A 16A ●●●10 mA — 300/270mV 270 mV — 1.5 + 2 (> 10 D) —
A30.00 A2) ●10 mA 150 mV — — 1.5+2
(> 10 D) — — — — 0.36 A cont. A
300.0 A2) ●100 mA 1V — — — — — —
A3.000 mA ●1) 1µA——150 mV — — — — 1.5 + 4 (> 10 D) A300.0 mA ●1) 100 µA——1V — — — — 1.5 + 4 (> 10 D) 12 A 5min
10.00 A ●1) 10 mA ——270 mV — — — — 1.75 + 4 (>10 D)
No-load voltage
Ω
30.00 Ω● ● ●●●●10 mΩmax. 3.2 V 0.5 + 3 5) 0.4+3
5) 500 V
DC
AC
effective
sinusoidal
10 min Ω
300.0 Ω● ● ●●●●
100mΩmax. 3.2 V 0.5 + 3 0.4+3
3.000 kΩ● ● ●●●● 1Ωmax. 1.25 V 0.4 + 1 0.2+1
30.00 kΩ● ● ●●●●10 Ωmax. 1.25 V 0.4 + 1 0.2+1
300.0 kΩ● ● ●●●●
100 Ωmax. 1.25 V 0.4 +1 0.2+1
3.000MΩ● ● ●●●● 1kΩmax. 1.25 V 0.6 + 1 0.4+1
30.00MΩ● ● ●●●●10 kΩmax. 1.25 V 2.0 + 1 2.0+1
2.000 V ● ● ●●●● 1mV max. 3.2 V 0.25 + 1 0.1+1
Discharge
resistance U0 max
F30.00 nF ●● 10 pF 250 kΩ2.5 V — — — 1.0+3
6) 500 V
DC / AC
effective
sinusoidal
10 min F
300.0 nF ●●100 pF 250 kΩ2.5 V — — — 1.0+3
3.000 µF●● 1nF 25 kΩ2.5 V — — — 1.0+3
30.00 µF●● 10 nF 25 kΩ2.5 V — — — 3.0+3
Sensor fmin V fmin V
Hz 300.0 Hz ●●0.1 Hz 1 Hz 45 Hz — — —
0.5+1
8) ≤ 3 kHz:
1200 V
≤ 30 kHz:
300 V
≤ 100 kHz:
30 V
cont.
Hz
3.000 kHz ●● 1Hz 1Hz 45Hz ———
30.00 kHz ●●10 Hz 10 Hz 45 Hz ———
100.0 kHz ●●
100 Hz 100 Hz 100 Hz — — —
%2.0 ... 98.0 % ●●0.1 % 1 Hz — — — — 1 Hz...1 kHz: ±5 D 9)
1 kHz...10 kHz: ±5 D/kHz 9) %
°C
– 200.0 ...
+ 200.0 °C● ● ●●●●0.1 °CPt 100 — — 2 Kelvin + 5 D 10) 500 V
DC
AC
effective
sinusoidal
10 min °C
+ 200.0 ...
+ 850.0 °C● ● ●●●●0.1 °C — — 1.0+5
10)
– 100.0 ...
+ 200.0 °C● ● ●●●●0.1 °CPt 1000 —— 2 Kelvin + 2 D 10)
+ 200.0 ...
+ 850.0 °C● ● ●●●●0.1 °C — — 1.0+2
10)
Analog-digital multimeters
METRA 12S ... 18S, 14A
GOSSEN-METRAWATT 3
Specifications METRA
Hit
18S
dB ranges
Measuring
function Measuring range
METRA
Hit
18S Resolution Input impedance Inherent deviation of the digital display
±(...% of meas. val. +... digits) for ref. conditions Overload capacity 2) Measuring
function
1) 1) 1) 1) Overload
value Overload
duration
V
300.00 mV 10 µV >10 GΩ5MΩ//<40pF 0.05 + 3; 0.05 + 20 3) 0.5 + 30 (> 500 D)
1200 V
DC
AC
RMS
sinusoidal
cont.
V
3.0000 V 100 µV 11 MΩ1MΩ//<40pF 0.05 + 3 0.3 + 30 (> 300 D)
30.000 V 1 mV 10 MΩ1MΩ//<40pF 0.05 + 3 0.3 + 30 (> 300 D)
300.00 V 10 mV 10 MΩ1MΩ//<40pF 0.05 + 3 0.3 + 30 (> 300 D)
1000.0 V 100 mV 10 MΩ1MΩ//<40pF 0.05 + 3 0.3 + 30 (> 300 D)
dB See table below —Same as with V —±0,5 dB 4) dB
Voltage drop, approx.
1) 1)
mA 300.00 µA 10 nA 15 mV 15 mV 0.2 + 20 0.5 + 30 (> 300 D)
0.36 A cont. mA
3.0000 mA 100 nA 150 mV 150 mV 0.2 + 10 0.5 + 30 (> 300 D)
30.000 mA 1 µA 30 mV 30 mV 0.05 + 10 0.5 + 30 (> 300 D)
300.00 mA 10 µA 300 mV 300 mV 0.2 + 10 0.5 + 30 (> 300 D)
A3.0000 A 100 µA 150 mV 150 mV 0.5 + 10 0.75 + 30 (> 300 D) 12 A 5) 5 min A
10.000 A 1 mA 400 mV 400 mV 0.5 + 10 0.75 + 30 (> 300 D)
No-load voltage Short circuit current
Ω
300.00 Ω10mΩmax. 4.00 V max. 1 mA 0.1 + 6; 0.1 + 30 3)
500 V
DC
AC
RMS
sinusoidal
10 min Ω
3.0000 kΩ100mΩmax. 1.25 V max. 100 µA0.1+6
30.000 kΩ1Ωmax. 1.25 V max. 10 µA0.1+6
300.00 kΩ10 Ωmax. 1.25 V max. 1 µA0.1+6
3.0000 MΩ100 Ωmax. 1.25 V max. 0,1 µA0.1+6
30.000 MΩ1kΩmax. 1.25 V max. 0,1 µA1.0+6
3.0000 V– 1mV max. 4.00 V — 0.2+6
Discharge resist. U0 max
F
3.000 nF 1 pF 1.5 MΩ4V 1.0 + 8; 1.0 + 60 3)
500 V
DC
AC
RMS
sinusoidal
10 min F
30.00 nF 10 pF 1.5 MΩ4V 1.0 + 8; 1.0 + 30 3)
300.0 nF 100 pF 150 kΩ4V 1.0 + 3
3.000 µF1nF 150 kΩ4V 1.0 + 3
30.00 µF10nF 15 kΩ2V 1.0 + 3
300.0 µF 100 nF 1.5 kΩ2V 5.0 + 6
3000 µF1µF 1.5 kΩ2V 5.0 + 6
10000 µF10µF 1.5 kΩ2V 5.0 + 6
fmin 6)
Hz
300.00 Hz 0.01 Hz 10 Hz
0.1 + 3 7)
≤3kHz:
1200 V
cont. Hz
3.0000 kHz 0.1 Hz 10 Hz ≤30 kHz:
30.000 kHz 1 Hz 10 Hz 300 V
100.00 kHz 10 Hz 100 Hz ≤100 kHz:
30 V
°C
Pt
100
– 200.0 ...
+ 100.0 °C0.1 °C — — 0.5 Kelvin + 3 8)
500 V
DC
AC
eff
sinus
10 min °C
+ 100.0 ...
+ 850.0 °C0.1 °C — — 0,5+3
8)
Pt
1000
– 100.0 ...
+ 100.0 °C0.1 °C — — 0.5 Kelvin + 3 8)
+ 100.0 ...
+ 850.0 °C0.1 °C — — 0.5+3
8)
Measuring ranges Display span at reference voltage
U = 0.775 V Display span at reference voltage
U ref (V)
300 mV
3V
30 V
300 V
1000 V
– 48 dB ... – 8 dB
– 38 dB ... + 12dB
– 18 dB ... + 32 dB
+ 2 dB ... + 52 dB
+ 22 dB ... + 63 dB
– 40 dB ...+ 110 dB
– 60 dB ...+ 100 dB
– 80 dB ... + 80 dB
– 100 dB ... + 60 dB
– 110 dB ... + 40 dB
Display (dB) =
20 lg Ux (V) / 0.775 V Display (dB) =
20 lg Ux (V) / Uref (V)
1) TRMS measurement
2) At –10 °C...+40°C
3) With zero setting; w/o zero setting
4) At a resolution of 0.01 dB
5) 16 A for 30 s
6) Lowest measurable frequency with sinusoidal measuring signal symmetrical to zero
7) Range 3 V : UE=1V
rms . . . 10 Vrms
30 V : UE=10V
rms . . . 100 Vrms
300 V :UE= 100 Vrms . . . 1000 Vrms
8) Without sensor
Analog-digital multimeters
METRA 18S
Produktspecifikationer
| Varumärke: | Gossen Metrawatt |
| Kategori: | Mätinstrument |
| Modell: | METRAHIT 14A |
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