Chapter 10 Specifications
141
3
10
Cha
p
te
r 1
0
S
p
ecifi
cations
Measurement
accuracy
• Voltage: ±0.1% f.s. (
For the
1-5V
range, f.s = 10 V
)
• Thermocouple:
K, J, E, T: (-200
C to less than -100
C)
±
1.5
C
(-100
C or more) ±1.0
C
N: (-200
C to less than -100
C) ±2.2
C
(-100
C or more) ±1.2
C
R, S: (0
C to less than 300
C) ±4.5
C
(300
C or more) ±2.2
C
B: (400
C to less than 1,000
C) ±5.5
C
(1000
C or more) ±2.5
C
• Reference junction compensation accuracy:
±0.5
C (Horizontal placement)
±1
C (Upright placement)
(Add to thermocouple measurement accuracy when internal RJC
is enabled.)
Temperature
characteristic
Add (Measurement accuracy × 0.1) /°C to measurement accuracy
Reference junction
compensation
Internal/External selectable (for thermocouple measurements)
Digital filter
Off, 50 Hz, 60 Hz (cut-off frequency set automatically according to
recording interval)
Cut-off frequency
Input resistance
1 M
±5% (broken wire detection disabled, for voltage and thermo-
couple measurements)
At least 800 k
(with broken wire detection enabled for thermocou-
ple measurements)
Normal mode
rejection ratio
50dB minimum
(with 50 Hz input with 5 s recording interval, and 50 Hz digital filter
enabled)
(with 60 Hz input with 2 s recording interval, and 60 Hz digital filter
enabled)
Measurement Input Section
[Hz]
Recording
interval
Digital filter
Recording
interval
Digital filter
60Hz
50Hz
Off
60Hz
50Hz
Off
10ms
11.56k
11.56k
11.56k
1s
108.2
108.2
11.56k
20ms
5.78k
5.78k
2s
60
54.03
50ms
2.216k
2.216k
5s
60
50
100ms
1.096k
1.096k
10s
60
50
200ms
542.5
542.5
20s or more 10
10
500ms
216.6
216.6
Содержание LR8431
Страница 1: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...
Страница 2: ......
Страница 20: ...Operating Precautions 12...
Страница 44: ...2 5 Zero Adjustment 36...
Страница 74: ...3 7 Viewing All Channel Settings in a List 66...
Страница 88: ...4 5 About Recording Operation 80...
Страница 120: ...6 6 Transferring Data to a Computer USB Drive Mode 112...
Страница 126: ...7 2 Numerical Value Calculation Expressions 118...
Страница 136: ...8 3 Making System Settings 128...
Страница 144: ...9 5 Synchronous Measurements with Multiple Instruments 136...
Страница 154: ...Chapter 10 Specifications 146...
Страница 198: ...Appendix 11 Pulse Input Circuit Diagram A40...
Страница 202: ...Index Index 4...
Страница 203: ......
Страница 204: ...EN LR8431 20 MEMORY HiLOGGER Instruction Manual Aug 2015 Revised edition 3 LR8431B980 03 15 08H...