MR8740T_Quick guide_eng_20191016H.pdf - 第108页
102 Specications of the Options Effect of radiated radio-frequency electromagnetic eld ±15% f.s. (max.) at 3 V/m Effect of conducted radio-frequency electromagnetic eld ±45% f.s. (max.) at 3 V (in the 2 V f.s. range, …
101
Specications of the Options
5.2 Specications of the Options
Model 8966 Analog Unit
Conditions of guaranteed accuracy
Specied under the following conditions: installed in a Memory HiCorder and operated at 23°C ±5°C (73°F ±9°F) in
the humidity range of 20% to 80% RH after a half-hour (at least) warm-up and execution of zero-adjustment.
Product warranty
period
3 years
Guaranteed accuracy
period
1 year
Number of input
channels
2 channels
Measurement range 100, 200, 400 mV f.s., 1, 2, 4, 10, 20, 40, 100, 200, 400 V f.s.
Measurement
accuracy
±0.5% f.s. (with the lter set at 5 Hz)
Temperature
characteristics
±0.06% f.s./°C
Frequency
characteristics
DC to 5 MHz −3 dB (DC-coupled)
7 Hz to 5 MHz −3 dB (AC-coupled, lower cut-off frequency: 7 Hz±50%)
Noise 1.5 mV p-p (typ.), 2 mV p-p (max.); with the highest sensitivity range and the terminals of
each input connector connected with each other
Common mode
rejection ratio
80 dB or more (at 50 Hz / 60 Hz, a signal source resistance of 100
Ω
or less)
Low-pass lter Off, 5±50%, 50±50%, 500±50%, 5 k±50%, 50 k±50%, 500 k±50% (Hz); −3 dB
Input type Unbalanced input (oating)
Input coupling AC/DC/GND
Input resistance 1 M
Ω
±1%
Input capacitance 30 pF ±10 pF (at 100 kHz)
A/D resolution 12 bits
Maximum sampling
rate
20 MS/s
Input terminals Insulated BNC terminal
Maximum input
voltage
400 V DC
Maximum rated
voltage to earth
300 V AC, DC (between each input channel and the enclosure, between any two of input
channels)
Measurement category II, anticipated transient overvoltage: 2500 V
Operating
temperature and
humidity
Consistent with the specications of the Memory HiCorder in which Model 8966 is
installed.
Operating
environment
Consistent with the specications of the Memory HiCorder in which Model 8966 is
installed.
Storage temperature
and humidity
−10°C to 50°C (14°F to 122°F), 80% RH or less (no condensation)
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D)
Mass Approx. 250 g (8.8 oz.)
5
Specications
102
Specications of the Options
Effect of radiated
radio-frequency
electromagnetic eld
±15% f.s. (max.) at 3 V/m
Effect of conducted
radio-frequency
electromagnetic eld
±45% f.s. (max.) at 3 V (in the 2 V f.s. range, with 1 V DC applied)
Standards Safety: EN61010
EMC: EN61326 Class A
103
Specications of the Options
Model 8967 Temp Unit
Conditions of guaranteed accuracy
Specied under the following conditions: installed in a Memory HiCorder and operated at 23°C ±5°C (73°F ±9°F) in
the humidity range of 20% to 80% RH after a half-hour (at least) warm-up and execution of zero-adjustment.
Product warranty
period
3 years
Guaranteed
accuracy period
1 year
Number of input
channels
2 channels
Input terminals Push-button type terminal block (2 terminals/channel)
Measuring target Thermocouple (K, J, E, T, N, R, S, B, W)
Reference junction
compensation
accuracy
±1.5°C (When the reference junction compensation is set to internal, add this value to the
accuracy of thermocouple measurement.)
Reference junction
compensation
Switchable between internal or external (for temperature measurement with thermocouples)
Temperature
characteristics
Add [(measurement accuracy) × 0.1]/°C to the measurement accuracy.
Data refresh The data refresh rate can be switched.
Fast: Approx. 1.2 ms
Normal: Approx. 100 ms
Slow: Approx. 500 ms
Wire break
detection
Switchable between on and off
Input resistance 5 M
Ω
or more (regardless of the wire break detection setting)
Common-mode
rejection ratio
80 dB or more (at 50 Hz / 60 Hz, for a signal source resistance of 100
Ω
or less, with the
data refresh set to Fast)
100 dB or more (at 50 Hz / 60 Hz, for a signal source resistance or 100
Ω
or less, with the
data refresh set to Normal)
Input type Unbalanced input (oating)
Maximum rated
voltage to earth
300 V AC, DC (between each input channel and the enclosure, between any two of input
channels)
Measurement category II, anticipated transient overvoltage: 2500 V
Operating
temperature and
humidity
Consistent with the specications of the Memory HiCorder in which Model 8967 is installed.
Storage
temperature and
humidity
−20°C to 50°C (−4°F to 122°F), 90% RH or less (no condensation)
Operating
environment
Consistent with the specications of the Memory HiCorder in which Model 8967 is installed.
Dimensions Approx. 106W × 19.8H × 204.5D mm (4.17″W × 0.78″H × 8.05″D)
Mass Approx. 240 g (8.5 oz.)
Effect of radiated
radio-frequency
electromagnetic
eld
±2% f.s. (max.) at 3 V/m
Effect of conducted
radio-frequency
electromagnetic
eld
±2% f.s. (max.) at 3 V
5
Specications