Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 368
14-20
IM 04L31A01-01E
Reference junction compensation accuracy:
Type R, S, B, W, PR40-20, W3Re/W25Re: ±1.0 °C
Type K, J, E, T, N, L, U
PLATINEL: ±0.5 °C
(only when measuring 0 °C or above)
Maximum input voltage: Voltage range less than or equal to 2 VDC and thermocouples:
±10 VDC (continuous)
6 V and higher voltage ranges: ±60 VDC (continuous)
Input resistance:
Voltage range less than or equal to 2 VDC and thermocouples:
10 MΩ or more
6 V and higher voltage ranges: Approx. 1 MΩ
Input source resistance: Volt, TC:
2 kΩ or less
RTD input: 10 Ω or less per wire (the resistance of all three
wires must be equal).
Input bias current:
10 nA or less
Common mode rejection ratio:
120 dB (50/60 Hz ± 0.1%, 500 Ω unbalanced, between the
minus terminal and ground)
Normal mode rejection ratio:
40 dB (50/60 Hz ± 0.1%)
Effects of Operating Conditions
Ambient temperature:
With temperature variation of 10° C:
±(0.1% of rdg + 1 digit) or less for Volt and TC ranges
* Excluding the error of reference junction compensation
±(0.1% of rdg + 2 digits) or less for RTD ranges
Power supply fluctuation: With variation within 90 to 132 V and 180 to 250 VAC (50/60 Hz):
1 digit or less
With variation of ±2 Hz from rated power frequency (at 100 VAC):
±(0.1% of rdg + 1 digit) or less
Magnetic field:
AC (50/60 Hz) and DC 400 A/m fields:
±(0.1% of rdg + 10 digits) or less
Input source resistance: With variation of +1 kΩ :
(1)
Volt range
Ranges of 2 VDC or less:
Within ±10 µ V
Ranges of 6 VDC or greater: ±0.1% of rdg or less
(2)
TC range
Within ±10 µ V (±100 µ V when burnout is specified)
(3)
RTD range (Pt100)
With variation of 10 Ω per wire (when the resistance of all
three wires are equal):
±(0.1% of rdg + 1 digit)
With maximum difference of 40 mΩ between wires:
Approx. 0.1 ° C
Other Specifications
Clock:
With a calendar function
Daylight savings:
Can be enabled
The time can be adjusted by a remote contact.
Accuracy of clock:
±100 ppm, excluding the delay that occurs at power-up (1 s or less)
Keylock function:
Can be turned ON/OFF. Password can be specified.
Login function:
Log in by entering a user name, user ID, and password.
14.8 General Specifications