129
Input specifications
Measurement input channels:
12, 24, 36, 48
Input type:
Full multi range
DC voltage:
±13.8 mV, ±27.6 mV, ±69.0 mV, ±200 mV, ±500 mV, ±2V, ±5V
*
, ±10V
*
, ±20V
*
,
±50V
*
*: With built-in resistance voltage divider
DC current:
Available by adding external shunt resistor
Thermocouple:
B, R, S, K, E, J, T, N, NiMo-Ni, CR-AuFe, PR40-20, WRe5-WRe26, W-WRe26,
Platinel II, U, L
RTD:
Pt100, JPt100, Pt50, Pt-Co
Range setup:
Input types and ranges are set by key operation. The measurement range is
selected automatically according to the range that is set.
Scale setup:
Setting of minimum values, maximum values and engineering units is by key
operation.
Accuracy rating:
See the Measurement Range/Accuracy Rating/Display Resolution Table..
Temperature drift:
±0.01 % of full scale / ºC (input types other than RTD are converted into the
reference range, see the accuracy rating table)
Sampling rate:
ARF2 _ _ AS
Approx. 100 ms/48 points
ARF2 _ _ AL
Approx. 1 s/48 points
Reference junction compensation accuracy:
K, E, J, T, N, Platinel II:
±0.5 ºC max.
R, S, NiMo-Ni, CR-AuFe, WRe5-WRe26, W-WRe26, U, L: ±1.0 ºC max.
(The above error amounts are added to the accuracy ratings for the internal
reference junction compensation.)
Input resolution:
Approx. 1/32,000 (converted into reference range)
Burnout:
Signal disconnection detection for thermocouple and resistance thermometer
inputs. Upscale burnout, downscale burnout or burnout indication disabled can be
selected for each input.
Allowable signal source resistance:
Thermocouple input (burnout disabled) and DC voltage input
(±2 V or less):
1 KΩ or less
DC voltage input (±5 to ±50 V):
100 Ω or less
RTD input (Pt100, JPt100):
10 Ω or less per wire (3 wires)
Input resistance:
Thermocouple input:
Approx. 1 MΩ
DC voltage input (±2 V or less):
Approx. 1 MΩ
DC voltage input (±5 to ±50 V):
Approx. 1 MΩ
Maximum input voltage:
Thermocouple input (burnout disabled), DC voltage input
(
±
2 V or less):
±
10 Vdc max.
DC voltage input (
±
5 to 50 V):
±
60 Vdc max.
Thermocouple input (burnout
enabled), RTD input :
±
6 Vdc max.
Maximum common mode voltage:
30 Vac
Insulation withstand voltage across channels:
1000 VAC or more across each channel
High withstand voltage semiconductor relay used
(Terminal B of resistance temperature detector shorted internally across channels)
Common mode rejection ratio:
120 dB min. (50 or 60 Hz)
Series mode rejection ratio:
50 dB min. (50 or 60 Hz). The peak value for noise contained in the signal must be
no more than 1.5 times the standard range.
