Specifi Cations - Hameg Instruments Hm8123-X Handbuch

2.6 GHz Universal Counter HM8123
Valid at 23 °C after a 30 minute warm-up period
Input characteristics (Input A and B)
Frequency range:
0 – 200 MHz (DC-coupled)
10 Hz – 200 MHz (1 MΩ, AC-coupled)
500 kHz – 200 MHz (50 Ω, AC-coupled)
Input impedance: 1 MΩ II 30 pF or 50 Ω (switchable)
Attenuation: 1:1, 1:10, 1:100 (selectable)
Sensitivity: (normal triggering)
0 to 80 MHz 20 mV
80 MHz to 200 MHz 60 mV
20 Hz to 80 MHz 50 mV
Trigger (programmable via encoder or software)
Attenuation: Trigger level:
1:1 0 to ± 2 V
1:10 0 to ± 20 V
1:100 0 to ± 200 V
Max. input voltage:
Input 1 MΩ: 250 V (DC + AC
decreasing to 8 V
Input 50 Ω: 5 V
rms
Minimum pulse duration: ‹5 ns for single pulse
Input noise: (typ.) 100 μV
Auto trigger (AC coupling): trigger point: 50 % of peak-to-peak value
Trigger slope: positive or negative
Filter: 100 kHz low-pass filter (switchable)
Input characteristics (Input C)
Frequency range: 100 MHz - 2.6 GHz
Input sensitivity: up to 1 GHz:
1 GHz-2.6 GHz:
Input impedance: 50 Ω nominal
Max. input voltage: 5 V (DC + AC
Input characteristics
External Reset
Input impedance: 5 kΩ
Max. input voltage: ± 30 V
Input sensitivity: -
High level: › 2 V
Low level: ‹ 0.5 V
Min. pulse duration: 200 ns
Input frequency: -
Min. eff. gate time: -
Measurement functions
Frequency A/B/C; period duration A; width A; duty cycle A; totalize A;
RPM A; frequency ratio A:B; time interval A:B; totalize A during B;
time interval A:B (average); phase A to B; burst measurements
Frequency measurement (Inputs A, B, C)
Frequency range: 0 to 200 MHz (2.6 GHz)
LSD: (1.25 x 10
Resolution: ± 1 or 2 LSD
Accuracy: ± (resolution / frequency ± time inaccuracy
± trigger error / measurement time)
Period duration measurement
Range: 10000 sec. to 5 ns
LSD: (1.25 x 10
Resolution: 1 or 2 LSD
Accuracy: ± resolution / period
± (trigger error B / measurement time)
Totalization A
(manual control)
Range: 0 – 200 MHz
Min. pulse duration: 10 ns
LSD: 1 count
Resolution: LSD
w w w . h a m e g . c o m
HM8123E/310505/ce · Subject to alterations · © HAMEG Instruments GmbH · ® Registered Trademark · DQS-certified in accordance with DIN EN ISO 9001:2000, Reg.-No.: DE-071040 QM
HAMEG Instruments GmbH · Industriestr. 6 · D-63533 Mainhausen · Tel +49 (0) 6182 800 0 · Fax +49 (0) 6182 800 100 · www.hameg.com · info@hameg.com
(sine wave), 80 mV (pulse)
pp
rms
(sine wave)
rms
(sine wave, auto trigger)
rms
Resolution:
1 mV
10 mV
100 mV
) from 0 to 440 Hz
peak
at 1 MHz
rms
30 mV (typ. 20 mV
rms rms
100 mV (typ. 80 mV
rms rms
)
peak
Reference Gate/Arming
500 Ω 5 kΩ
± 20 V ± 30 V
typ. 2 V -
pp
- › 2 V
- ‹ 0.5 V
- 50 ns
10 MHz -
- 20 μs
-8 s x frequency) / measurement time
-8 s x period) / measurement time
(external control)
0 – 200 MHz
10 ns
± 1 count
LSD
A Rohde & Schwarz Company
Accuracy:
Pulse resolution:
Ext. gate error:
Time interval / Average time interval
(Input A = start; input B = stop)
LSD:
Resolution:
Accuracy:
Number of average:
RPM measurement
1)
NPR presetting:
Gate time:
LSD:
Resolution:
Accuracy:
Offset
Range: Covers the entire measurement range
Resolution: Same resolution as in normal measurement. If the
gate time is changed in the offset mode, the offset resolution is the
reference value resolution or the current reading resolution
(whichever is less precise).
Gate time
Range:
)
Resolution:
)
External gate time:
Time base
Frequency:
Stability:
Ageing:
External Reference:
Miscellaneous
Safety class:
Display:
Power supply:
Operating temperature:
Max. relative humidity:
Dimensions (W x H x D):
Weight:
NPR=number of pulses per revolution
1)
Accessories supplied: Operator's Manual and power cable
Optional accessories: HZ10 Silicone test leads, HZ42 19" Rackmount kit 2RU,
HZ33/34 Test cable, HZ24 Attenuator 50 Ω, HZ20 Adapter plug
(resolution ± ext. gate time error x
frequency A)/total
10 ns 10 ns
- 100 ns
10 ns (10 ns to 1 ps in "average" mode)
1 LSD (1 or 2 in "average" mode)
± (resolution + trigger error + system
error)/time interval ± time basis uncertainty
(system error: ‹ 4 ns)
N = 1-25 LSD = 10 ns
N = 26-2500 LSD = 1 ns
N = 2501-250000 LSD = 100 ps
N = 250001 – 25000000 LSD = 10 ps
N = › 25000000 LSD = 1 ps
1 – 65535 pulses per revolution
330 ms fixed
7.5 x 10 -8 revolution speed
1 or 2 LSD
± (trigger error/0.33) ± time basis error
1 ms – 65 sec.
1 ms
min. 20 μs
200 MHz clock rate; 10 MHz crystal
± 2 x 10 -7 between +10° C and +40° C
‹ 0.27 ppm per month, 0.05 ppm per day
10 MHz ± 20 ppm
Safety Class I (EN61010-1)
LCD display (83 x 21 mm)
115/230 V ± 10 %, 45-60 Hz, 40 VA
+10° C to +40° C
10 %-90 % (without condensation),
5 %-95 % RH
285 x 75 x 365 mm
approx. 4 kg
Subject to change without notice
19