10
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
■
Options (sold separately)
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
VOLTAGE/TEMP UNIT 8937
time and zero-adjust; accuracy guaranteed for 1 year)
FUNCTION UP DISK 9540-01 Additional functions to the MEMORY HiCORDER 8835-01
REC & MEM functions Additional functions provided by the FUNCTION UP DISK 9540-01
Number of channels: 2, for voltage measurement/temperature measurement with thermocouple
Measurement functions
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)
,
500ms to 1hour/DIV; 17 settings, 1 DIV = 100 samples, time axis
compression 1/2 to 1/50, 5 settings
Input connectors
Time axis
(REC)
Note: Sampling period 1/100 of time axis range at MEM function
1mV to 5V/DIV, 12 ranges, full scale: 10DIV, low-pass filter: 5Hz/
500Hz/ 5kHz/ 100kHz, Measurement resolution: 1/160 of measurement
range (using 12-bit A/D conversion; installed in the 8835-01)
Voltage measurement
range
100μs to 5 minutes/DIV; 20 settings, 1 DIV = 100 samples, time axis
zoom ×2 to ×10; 3 settings, compression 1/2 to 1/2000, 10 settings
Note: Sampling period 1/100 of time axis range (min. 1μs)
Time axis
(MEM)
20°C to 200°C/DIV, 4 ranges, full scale: 10DIV, low-pass filter:
5Hz/500Hz, Measurement resolution:1/160 of measurement range
(using 12-bit A/D conversion; installed in the 8835-01)
Temperature
measurement range
REC: Settable in 1-division steps, 20 to 1,000 DIV, or continuous
Recording length
MEM: Settable in 1-division steps, 20 to 2,000 DIV
REC: timer trigger, or OFF
Trigger source
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
MEM: CH1 to CH8 (analog), logic A to D, or external trigger
Only real-time waveform is output when printer output is started,
reprinting of stored REC waveform data (last 1000 DIV), Additional
recording function (recording is resumed without overwriting previous
data), variable display
Voltage input: 1MS/s, Temperature measurement: 4kS/s
(simultaneous sampling in 2 channels)
Other functions
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)
FFT functions Additional functions provided by the FUNCTION UP DISK 9540-01
Accuracy
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
Analysis mode
Frequency
characteristics
Voltage input: DC to 400 kHz +1/−3dB
Temperature measurement: DC to 1kHz +1/−3dB
1 or 2 selected channels out of all analog channels
Analysis channels
Frequency range
DC, GND, AC
Input coupling
133mHz to 400kHz, External, (resolution 1/400, 1/800, 1/2000, 1/4000)
30Vrms or 60V DC (the maximum voltage that can be applied across input pins without damage)
Max. allowable input
Number of
sampling points
1000, 2000, 5000, 10000 points
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
Selected from: Newly loaded data / MEM function waveform
data / MEM waveform of REC & MEM function
Analysis data
Windows
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 1 hour of warm-up
STRAIN UNIT 8939
Rectangular, Hanning, Exponential
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)
Time axis / frequency axis simple averaging, exponential averaging,
peak hold
Averaging
function
Via conversion cable, TAJIMI PRC03-12A10-7M10.5, Max. rated voltage to
Additional features Additional functions provided by the FUNCTION UP DISK 9540-01
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)
(Maximum possible calculation up to 1000 DIV; accuracy is within the tolerance of
the input module.)
Strain gauge converter, bridge impedance: 120Ω to 1kΩ, bridge
voltage 2 ±0.05V
Suitable
transducer
Waveform processing
calculations
(MEM function)
Four arithmetic operations, absolute value, exponentiation, common
logarithm, square root, moving average, differentiation once and
twice, integration once and twice, parallel displacement along the
time axis. 8 arbitrary operational equation.
50με to 2000με/DIV, 6 ranges, full scale: 10DIV, low-pass filter:
10Hz/30Hz/300Hz/3kHz
Measurement
range
1/160 of measurement range (using 12-bit A/D conversion; installed in 8835-01)
Measurement resolution
Highest sampling rate
Type: Area judgment using reference waveform for time axis
waveform, X-Y plot, or FFT display. Parameter judgment for
waveform parameter processing. Judgment output: pass/fail
output, open-collector 5V voltage output
Waveform judgment
function
1MS/s (2-channel simultaneous sampling)
(MEM function)
(FFT function)
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
Waveform averaging; memory segmentation (up to 255 segments)
Others
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
(Accuracy at 23 ±5°C/73 ±9°F, 35 to 80 % rh after 30 minutes of warm-up
F/V UNIT 8940
Measurement
functions
time and zero-adjust; accuracy guaranteed for 1 year)
■
Input unit specifications (sold separately)
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
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 0.1Hz to 10kHz/DIV, 11 ranges, 10 (r/
min) to 1k (r/min)/DIV, 5ranges, P50Hz (40 to 60Hz), P60Hz (50 to 70Hz)
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
* 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 10counts to 1Mcounts/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)
10mV to 50V/DIV, 12 ranges, full scale: 10DIV, AC voltage for
possible measurement/display using the memory function: 280V
rms, low-pass filter: 5Hz/500Hz/5kHz/100kHz
Measurement
range
Measurement
range
1/160 of measurement range (using 12-bit A/D conversion; installed in the 8835-01)
1MS/s (simultaneous sampling in 2 channels)
Measurement resolution
Highest sampling rate
Accuracy
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: 1mV to 5V/DIV, 12 ranges
Current: 10mA to 200A/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
Input coupling
Max. allowable input
400V DC (the maximum voltage that can be applied across input pins without damage)
Measurement
range
Frequency characteristics: DC to 400kHz ±3dB
Full scale: 10DIV, 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
1/160 of measurement range (installed in 8835-01, 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
* The 8940 can be used with the 8835-01. but the 8835, main unit only, current probe cannot be used. The 8940 can be used with the 8835
standard models later than Ver. 2.10, 9540 install models later than Ver.5.10 can be used.