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To guarantee the accuracy of the multimeter over a prolonged period of
time, it should be calibrated annually. Fuse replacement is under 3.
(Safety requirements). Battery replacement can be found under 4.4.1.
To clean the instrument or the display window, take a clean, lint-free,
anti-static, dry cleaning cloth.
Attention!
Use no carbonaceous cleaners or petrols, alcohols or similar for cleaning.
Otherwise the surface of the measuring instrument will be attacked. In
addition, the vapours are damaging to health and explosive.. Also use
no sharp-edged tools, screwdrivers or metal brushes or similar for clea-
ning.
6.Technical data (general and DMM) and
DMM measurement tolerances
6.1 Technical Data
A) Measuring instrument in general
Input voltage:
Power consumption:
AC power fuse:
Weight:
Dimensions (W x H x D):
B) Frequency counter
Channel A:
Channel B:
Channel C:
Input impedances:
Input sensitivities:
40
100/120/220 or 240 VAC / 50 or 60Hz,
according to the position of the volta-
ge selection "switch" (= fuseholder
cap)
approx. 120 VA
for voltages from 220 to 240 VAC, 1 A
slow-acting 250 V.
Usual designation: T1A/250V;
Fuse dimensions: 6 x 30 mm
approx. 12.5kg
380 x 185 x 370 mm (without leads and
with feet hinged back)
5 Hz to 100 MHz
5 Hz to 100 MHz
100 MHz bis 1.3 GHz (= 1300 MHz)
Channels A and B: 1MΩ (in parallel
with 100 pF); Channel C: 50 Ω
70 mV rms for channels A and B,
35 mV rms for channel C
Max. input levels:
Channels A, B and C 3V rms
Resolution (of the display):
1 Hz, 10 Hz, 100 Hz
Gate Time:
10 sec., 1 sec., 100ms = 0.1 sec.
Standard time basis:
Frequency 10 MHz; Stability 5 ppm (0°C
to +40°C)
LED display:
8 digit LED with units of measurement
Period measurement:
Channels A and B; 0.1 sec. to 10 sec.
min. Resolution 1 µs to 0.1 ps, depen-
dent
0.1 sec. to 10 sec.; Resolution 0.1 ps
min., dependent on gate time
Difference measurement A-B: Resolution 100 Hz to 100 µHz min.
according to gate time and input sig-
nal
Addition of A+B:
Resolution 100 Hz to 10 nHz min. ac-
cording to gate time and input signal
Time interval A=>B:
Range 100 ns to 10 sec.
Resolution 100 ns min.
Overrun indicator:
"OVER"
C) Function generator
Waveforms:
sine, square, sawtooth,
"skewed" sine, ramp, pulse,
TTL level (square)
Frequency:
1 Hz to 10 MHz in 7 ranges
VCF voltage level:
0 to 10 VDC (but max.: ±15VDC)
Output impedance:
50W ± 10 %, 600 W ± 10%
Connectors:
BNC
Amplitude:
2 V p-p to 20 V p-p unloaded
1 V p-p to 10 V p-p into 50 Ohm
Attentuator:
- 20 dB
Variable frequency range:
20 to 1 or more
Variable symmetry range::
3 to 1 or more
Variable offset range:
max. ±10 VDC
Sine function
- Harmonic distortion:
lower than 1 % (at 100 kHz)
- Amplitude errors:
± 0.3 dB
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on
gate
time
Channel
C;
41
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