MR8740T_Quick guide_eng_20191016H.pdf - 第109页
103 Specications of the Options Model 8967 T emp 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…
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
104
Specications of the Options
Standards Safety: EN61010
EMC: EN61326 Class A
Accessories Ferrite clamp-on choke ×2
Options Model 9810 Thermocouple (K)
Table: Measurable ranges, resolutions, and measurement accuracy of each thermocouple
type and measurement range
Measurement
target
Measurement range Measurable range Resolution Measurement accuracy
Thermocouple*
1
K*
2
200°C f.s. −100°C to 200°C 0.01°C ±0.1% f.s. ±1°C
(0°C or higher)
±0.1% f.s. ±2°C
(−200°C or higher but
lower than 0°C)
1000°C f.s. −200°C to 1000°C 0.05°C
2000°C f.s. −200°C to 1350°C 0.1°C
J*
2
200°C f.s. −100°C to 200°C 0.01°C
1000°C f.s. −200°C to 1000°C 0.05°C
2000°C f.s. −200°C to 1100°C 0.1°C
E*
2
200°C f.s. −100°C to 200°C 0.01°C
1000°C f.s. −200°C to 800°C 0.05°C
2000°C f.s. −200°C to 800°C 0.1°C
T*
2
200°C f.s. −100°C to 200°C 0.01°C
1000°C f.s. −200°C to 400°C 0.05°C
2000°C f.s. −200°C to 400°C 0.1°C
N*
2
200°C f.s. −100°C to 200°C 0.01°C
1000°C f.s. −200°C to 1000°C 0.05°C
2000°C f.s. −200°C to 1300°C 0.1°C
R*
2
200°C f.s. 0°C to 200°C 0.01°C ±0.1% f.s. ±3.5°C
(0°C or higher but lower
than 400°C)
(For Type B, accuracy
is not guaranteed below
400°C.)
±0.1% f.s.±3°C (400°C
or higher)
1000°C f.s. 0°C to 1000°C 0.05°C
2000°C f.s. 0°C to 1700°C 0.1°C
S*
2
200°C f.s. 0°C to 200°C 0.01°C
1000°C f.s. 0°C to 1000°C 0.05°C
2000°C f.s. 0°C to 1700°C 0.1°C
B*
2
1000°C f.s. 400°C to 1000°C 0.05°C
2000°C f.s. 400°C to 1800°C 0.1°C
W*
3
(WRe5-
26)
200°C f.s. 0°C to 200°C 0.01°C
1000°C f.s. 0°C to 1000°C 0.05°C
2000°C f.s. 0°C to 2000°C 0.1°C
*1: Not including reference junction compensation accuracy
*2: JIS C 1602-1995
*3: ASTM E-988-96