8841 데이터 시트보기 (PDF) - ASM GmbH
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8841 Datasheet PDF : 12 Pages
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10
■ Main unit specifications
REC & MEM functions (version 2.00 or later. Real-time save function: version 2.30 or later)
Time axis
(REC)
20ms to 1hour/DIV; 16 settings, 1 DIV = 100 samples, time axis
compression 1/2 to 1/500, 8 settings
Note: Sampling period 1/100 of time axis range at memory recorder function
Time axis
(MEM)
100μs to 5 minutes/DIV; 20 settings, 1 DIV = 100 samples, time axis
zoom ×2 to ×10; 3 settings, compression 1/2 to 1/10,000, 12 settings
Note: Sampling period 1/100 of time axis range (min. 1μs)
Recording length
REC: Settable in 1-division steps, 25 to 1,000 DIV (5,000 DIV at
expanded memory), or continuous
MEM: Settable in 1-division steps, 25 to 2,000 DIV (10,000 DIV at
expanded memory)
Trigger source
REC: timer trigger, or OFF
MEM: CH1 to CH16 (analog), logic A to D, or external trigger
Time axis: 50ms/DIV to 5 minutes/DIV (less than 8 channels),
100ms/DIV to 5 minutes/DIV (more than 9 channels) (1 DIV=100
samples, sampling period 1/100 of time axis range)
Real-time save Save destination: PC card, or MO disk in the optional MO UNIT 9607
functions
Trigger: trigger settings are not applicable to the MEM waveform,
Note: Used with the PC card, and the start of MEM waveform recording coincides with the start
firmware version 2.60 or later of the REC waveform.
Time axis at REC: 200ms/DIV to 1 hour/DIV (less than 8 channels),
500ms/DIV to 1 hour/DIV (more than 9 channels) (1 DIV=100 samples,
sampling period 1/100 of time axis range)
Other functions
Only REC waveform is output when printer output is started,
reprinting of stored REC waveform data (last 1,000 DIV; or 5,000
DIV at expanded memory), Additional recording function (recording is
resumed without overwriting previous data), variable display
FFT functions (version 2.00 or later.)
Analysis mode
Analysis channels
Storage waveform, Linear spectrum, RMS spectrum, Power
spectrum, Cross-power spectrum, Auto-correlation function,
Histogram, Transfer function, Cross-correlation function, Unit-
impulse response, Coherence function, Octave analysis
1 or 2 selected channels out of all analog channels
Frequency range 133mHz to 400kHz, External, (resolution 1/400, 1/800, 1/2000, 1/4000)
Number of
sampling points
1000, 2000, 5000, 10000 points
Windows
Rectangular, Hanning, Exponential
Averaging
function
Time axis / frequency axis simple averaging, exponential averaging,
peak hold
■ PC Software Specifications
Wave Viewer (Wv) Software (Application disk CD-R, bundled accessory)
Functions
• Simple display of waveform file
• Text conversion: convert binary data file to text format, with
selectable space or tab separators in addition to CSV, and speci-
fiable section, thinning available
• Display format settings: scroll functions, enlarge/reduce dis-
play, display channel settings
• Others: voltage value trace function, jump to cursor/trigger
position function
Compatible PC operating systems Windows 95/98/Me, Windows NT 4.0 (SP3 or later), 2000, XP
■ Input unit specifications (sold separately)
Dimensions and mass: approx. 170 (6.69in) W × 20 (0.79in) H × 148.5 (5.85in) D mm,
approx. 290 g (10.2 oz) Accessories: None
ANALOG UNIT 8936
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
time and zero-adjust; accuracy guaranteed for 1 year)
Measurement functions Number of channels: 2, for voltage measurement
Input connectors
Isolated BNC connector (input impedance 1MΩ, input capacitance 30pF), Max. rated
voltage to earth: 370V AC, DC (with input isolated from the unit, the maximum voltage that
can be applied between input channel and chassis and between input channels without damage)
Measurement
range
5mV to 20V/DIV, 12 ranges, full scale: 20DIV, AC voltage for
possible measurement/display using the memory function: 280V
rms, low-pass filter: 5Hz/500Hz/5kHz/100kHz
Measurement resolution 1/80 of measurement range (using 12-bit A/D conversion; installed in the 8841/8842)
Highest sampling rate 1MS/s (simultaneous sampling in 2 channels)
Accuracy
DC amplitude: ±0.4% of full scale, zero position: ±0.1% of full scale (after zero adjustment)
Frequency characteristics DC to 400kHz ±3dB, with AC coupling: 7Hz to 400kHz ±3dB
Input coupling
DC, GND, AC
Max. allowable input 400V DC (the maximum voltage that can be applied across input pins without damage)
FFT ANALOG UNIT 8938 (Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
time and zero-adjust; accuracy guaranteed for 1 year)
Measurement functions Number of channels: 2, for voltage measurement
Anti-aliasing filter
Integrated filter for suppressing aliasing distortion caused by FFT
processing (automatic cutoff frequency setting/OFF)
Other functions Other specifications same as the ANALOG UNIT 8936
Dimensions and mass: approx. 170 (6.69in) W × 20 (0.79in) H × 148.5 (5.85in) D mm,
approx. 300 g (10.6 oz) Accessories: None
VOLTAGE/TEMP UNIT 8937 (Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
time and zero-adjust; accuracy guaranteed for 1 year)
Measurement functions Number of channels: 2, for voltage measurement/temperature measurement with thermocouple
Input connectors
Voltage input: metallic BNC connector (input impedance 1MΩ, input capacitance 50pF),
thermocouple input: terminal connector (input impedance min. 5.1MΩ), Max. rated
voltage to earth: 30Vrms or 60V DC (with input isolated from the unit, the maximum voltage
that can be applied between input channel and chassis and between input channels without damage)
Voltage measurement
range
500μV to 2V/DIV, 12 ranges, full scale: 20DIV, low-pass filter: 5Hz/
500Hz/ 5kHz/ 100kHz, Measurement resolution: 1/80 of measurement
range (using 12-bit A/D conversion; installed in the 8841/8842)
Temperature
10°C to 100°C/DIV, 4 ranges, full scale: 20DIV, low-pass filter:
measurement range
5Hz/500Hz, Measurement resolution:1/80 of measurement range
(using 12-bit A/D conversion; installed in the 8841/8842)
Thermocouple
range
Highest sampling rate
Accuracy
Frequency
characteristics
Input coupling
Max. allowable input
K: -200 to 1350°C, E: -200 to 800°C, J: -200 to 1100°C, T: -200 to 400°C,
N: -200 to 1300°C, R: 0 to 1700°C, S: 0 to 1700°C, B: 300 to 1800°C,
Reference junction compensation: internal/ external (switchable)
Voltage input: 1MS/s, Temperature measurement: 4kS/s
(simultaneous sampling in 2 channels)
Voltage input: DC amplitude ±0.4% of full scale, zero position ±0.15% of full
scale, Temperature measurement (K, E, J, T, N): ±0.1% of full scale ±1°C,
±0.1% of full scale ±2°C (-200 to 0°C), (R, S): ±0.1% of full scale ±3°C, (B):
±0.1% of full scale ±4°C (400 to 1800°C) , Reference junction compensation
accuracy: ±0.1% of full scale ±1.5 °C (internal reference junction compensation)
Voltage input: DC to 400 kHz +1/−3dB
Temperature measurement: DC to 1kHz +1/−3dB
DC, GND, AC
30Vrms or 60V DC (the maximum voltage that can be applied across input pins without damage)
Dimensions and mass: approx. 170 (6.69in) W × 20 (0.79in) H × 148.5 (5.85in) D mm,
approx. 250 g (8.8 oz) Accessories: Conversion cable × 2
STRAIN UNIT 8939
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
time and auto-balance; accuracy guaranteed for 1 year)
Measurement
functions
Number of channels: 2, for distortion measurement (electronic
auto-balancing, balance adjustment range within ±10000με)
Via conversion cable, TAJIMI PRC03-12A10-7M10.5, Max. rated voltage to
Input connectors earth: 30Vrms or 60V DC (with input isolated from the unit, the maximum voltage that can
be applied between input channel and chassis and between input channels without damage)
Suitable
transducer
Strain gauge converter, bridge impedance: 120Ω to 1kΩ, bridge
voltage 2 ±0.05V
Measurement
range
20με to 1000με/DIV, 6 ranges, full scale: 20DIV, low-pass filter:
10Hz/30Hz/300Hz/3kHz
Measurement resolution 1/80 of measurement range (using 12-bit A/D conversion; installed in 8841/8842)
Highest sampling rate 1MS/s (simultaneous sampling in 2 channels)
Accuracy After auto-balancing DC amplitude: ±(0.5% of full scale +2με), zero position: ±0.5% of full scale
Frequency characteristics DC to 20 kHz +1/−3dB
Max. allowable input 10V DC + AC peak (the maximum voltage that can be applied across input pins without damage)
CONVERSION CABLE 9318 (to connect 9270 to 9272, 9277 to 9279 and 8940)
CONVERSION CABLE 9319 (to connect 3273, 3273-50 and 8940)
Dimensions and mass: approx. 170 (6.69in) W × 20 (0.79in) H × 148.5 (5.85in) D mm,
approx. 300 g (10.6 oz) Accessories: None
F/V UNIT 8940
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
time and zero-adjust; accuracy guaranteed for 1 year)
Measurement
functions
Input connectors
Compatible current sensors
Number of channels: 2, for voltage input based frequency measurement, integration,
pulse duty ratio, current (with optional clamp-on sensor), and voltage measurement
Metallic BNC connector (input impedance 1MΩ, input capacitance 60pF), sensor
connector (dedicated connector for clamp-on sensor via conversion cable, common
ground with recorder), Max. rated voltage to earth: 30Vrms or 60V DC (with
input isolated from the unit, the maximum voltage that can be applied between input
channel and chassis and between input channels without damage)
9270, 9271, 9272, 9277, 9278, 9279, 3273, 3273-50
Measurement
range
Frequency: DC to 100kHz, with 0.05Hz to 5kHz/DIV, 11 ranges, 5
(r/min) to 500 (r/min)/DIV, 5ranges, P50Hz (40 to 60Hz), P60Hz (50 to
70Hz) * Power line frequency measurement requires the DIFFERENTIAL PROBE 9322 or PT
9303, Accuracy: ±0.2% of full scale (except 10kHz/DIV range), ±0.7% of
full scale (10kHz/DIV range), ±0.032Hz (P50Hz, P60Hz range)
Integration: DC to 90kHz, with 5counts to 500kcounts/DIV, 11 ranges
Pulse duty ratio: 10Hz to 100kHz, with 100% of full scale, 1 range,
Accuracy: ±1% of full scale (10Hz to 10kHz)
Threshold: −10 to +10V (settable in 0.2V steps)
Full scale: 10DIV, Max. allowable input: 30Vrms or 60V DC (the
maximum voltage that can be applied across input pins without damage)
Measurement
range
Voltage: 0.5mV to 2V/DIV, 12 ranges
Current: 5mA to 100A/DIV, 10 ranges, using current sensor (powered
from the 8940, max. 4 sensors total)
DC amplitude accuracy: ±0.4% of full scale, zero position ±0.15%
of full scale (current measurement accuracy dependent on sensor accuracy/
characteristics)
Frequency characteristics: DC to 400kHz ±3dB
Full scale: 20DIV, Max. allowable input: 30Vrms or 60V DC (the
maximum voltage that can be applied across input pins without damage)
Measurement resolution 1/80 of measurement range (installed in the 8841/8842, excluding current range when using 9279)
Highest sampling rate
Other functions
1MS/s (simultaneous sampling in 2 channels), (frequency/duty ratio
measurement: 1.125μs cycle)
Voltage input pull-up: ON (10kΩ)/OFF, input coupling: DC, GND, AC
(voltage/current), DC (others), low-pass filter: 5Hz/500Hz/5kHz/100kHz
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