10
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Main unit specifications
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
REC & MEM functions (version 2.00 or later. Real-time save function: version 2.30 or later)
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
VOLTAGE/TEMP UNIT 8937
Measurement functions
time and zero-adjust; accuracy guaranteed for 1 year)
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
(REC)
Number of channels: 2, for voltage measurement/temperature measurement with thermocouple
Voltage input: metallic BNC connector (input impedance 1MΩ, input capacitance 50pF)
thermocouple input: terminal connector (input impedance min. 5.1MΩ), Max. rated
,
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)
Input connectors
Time axis
(MEM)
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)
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)
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
Voltage measurement
range
Recording length
expanded memory)
10°C to 100°C/DIV, 4 ranges, full scale: 20DIV, low-pass filter:
5Hz/500Hz, Measurement resolution:1/80 of measurement range
(using 12-bit A/D conversion; installed in the 8841/8842)
Temperature
measurement range
REC: timer trigger, or OFF
Trigger source
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)
,
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)
Thermocouple
range
Real-time save
functions
Note: Used with the PC card,
Save destination: PC card, or MO disk in the optional MO UNIT 9607
Trigger: trigger settings are not applicable to the MEM waveform,
and the start of MEM waveform recording coincides with the start
of the REC waveform.
Voltage input: 1MS/s, Temperature measurement: 4kS/s
(simultaneous sampling in 2 channels)
Highest sampling rate
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)
firmware version 2.60 or later
Time axis at REC: 200ms/DIV to 1 hour/DIV (less than 8 channels)
,
Accuracy
500ms/DIV to 1 hour/DIV (more than 9 channels) (1 DIV=100 samples,
sampling period 1/100 of time axis range)
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
Frequency
characteristics
Voltage input: DC to 400 kHz +1/−3dB
Temperature measurement: DC to 1kHz +1/−3dB
Other functions
DC, GND, AC
Input coupling
30Vrms or 60V DC (the maximum voltage that can be applied across input pins without damage)
Max. allowable input
FFT functions (version 2.00 or later.)
Storage waveform, Linear spectrum, RMS spectrum, Power
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
spectrum, Cross-power spectrum, Auto-correlation function,
Histogram, Transfer function, Cross-correlation function, Unit-
impulse response, Coherence function, Octave analysis
Analysis mode
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
STRAIN UNIT 8939
time and auto-balance; accuracy guaranteed for 1 year)
1 or 2 selected channels out of all analog channels
Analysis channels
Frequency range
Measurement
functions
Number of channels: 2, for distortion measurement (electronic
auto-balancing, balance adjustment range within ±10000με)
133mHz to 400kHz, External, (resolution 1/400, 1/800, 1/2000, 1/4000)
Via conversion cable, TAJIMI PRC03-12A10-7M10.5, 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)
Number of
sampling points
1000, 2000, 5000, 10000 points
Input connectors
Rectangular, Hanning, Exponential
Windows
Strain gauge converter, bridge impedance: 120Ω to 1kΩ, bridge
voltage 2 ±0.05V
Suitable
transducer
Time axis / frequency axis simple averaging, exponential averaging,
peak hold
Averaging
function
20με to 1000με/DIV, 6 ranges, full scale: 20DIV, low-pass filter:
10Hz/30Hz/300Hz/3kHz
Measurement
range
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PC Software Specifications
1/80 of measurement range (using 12-bit A/D conversion; installed in 8841/8842)
Measurement resolution
Highest sampling rate
Wave Viewer (Wv) Software (Application disk CD-R, bundled accessory)
1MS/s (simultaneous sampling in 2 channels)
• 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-
Accuracy After auto-balancing DC amplitude: ±(0.5% of full scale +2με), zero position: ±0.5% of full scale
DC to 20 kHz +1/−3dB
Frequency characteristics
Max. allowable input
fiable section, thinning available
• Display format settings: scroll functions, enlarge/reduce dis-
Functions
10V DC + AC peak (the maximum voltage that can be applied across input pins without damage)
play, display channel settings
• Others: voltage value trace function, jump to cursor/trigger
position function
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
Windows 95/98/Me, Windows NT 4.0 (SP3 or later), 2000, XP
Compatible PC operating systems
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
F/V UNIT 8940
time and zero-adjust; accuracy guaranteed for 1 year)
Number of channels: 2, for voltage input based frequency measurement, integration,
pulse duty ratio, current (with optional clamp-on sensor), and voltage measurement
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Input unit specifications (sold separately)
Measurement
functions
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
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
Input connectors
(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)
ANALOG UNIT 8936
channel and chassis and between input channels without damage)
Compatible current sensors 9270, 9271, 9272, 9277, 9278, 9279, 3273, 3273-50
Number of channels: 2, for voltage measurement
Measurement functions
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
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)
Input connectors
9303, Accuracy: ±0.2% of full scale (except 10kHz/DIV range), ±0.7% of
full scale (10kHz/DIV range), ±0.032Hz (P50Hz, P60Hz 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
range
Measurement
Integration: DC to 90kHz, with 5counts to 500kcounts/DIV, 11 ranges
range
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
1/80 of measurement range (using 12-bit A/D conversion; installed in the 8841/8842)
1MS/s (simultaneous sampling in 2 channels)
Measurement resolution
Highest sampling rate
Accuracy
maximum voltage that can be applied across input pins without damage)
DC amplitude: ±0.4% of full scale, zero position: ±0.1% of full scale (after zero adjustment)
DC to 400kHz ±3dB, with AC coupling: 7Hz to 400kHz ±3dB
DC, GND, AC
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/
Frequency characteristics
Input coupling
Max. allowable input
400V DC (the maximum voltage that can be applied across input pins without damage)
Measurement
range
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)
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
FFT ANALOG UNIT 8938
time and zero-adjust; accuracy guaranteed for 1 year)
Number of channels: 2, for voltage measurement
Measurement functions
Anti-aliasing filter
Other functions
1/80 of measurement range (installed in the 8841/8842, excluding current range when using 9279)
Measurement resolution
Highest sampling rate
Integrated filter for suppressing aliasing distortion caused by FFT
processing (automatic cutoff frequency setting/OFF)
1MS/s (simultaneous sampling in 2 channels), (frequency/duty ratio
measurement: 1.125μs cycle)
Other specifications same as the ANALOG UNIT 8936
Voltage input pull-up: ON (10kΩ)/OFF, input coupling: DC, GND, AC
(voltage/current), DC (others), low-pass filter: 5Hz/500Hz/5kHz/100kHz
Other functions
ASM-SENSOR [ ASM GMBH ]
