IM 12D08N05-01E
2-1
<2. GENERAL SPECIFICATIONS>
2. GENERAL SPECIFICATIONS
Input specifications:
Two or four electrodes measurement with square wave excitation, using max
60m (200 ft) cable (WU40/WF10) and cell constants from 0.005 to 50.0 cm
-1
Input ranges:
Conductivity:
0.000 μS/cm to 2000 mS/cm
Minimum: 1 μS/cm (underrange 0.00 μS x C)
Maximum: 200 mS/cm (overrange 2000 mS x C)
Resistivity:
0.0 Ω x cm to 1000 MΩ x cm
Minimum: 5 Ω/cm (underrange 0.0 Ω/C)
Maximum: 1 MΩ/cm (overrange 1000 MΩ/C)
Note: “C” means cell constant.
Temperature:
Pt1000
-20 to 250ºC (0 to 500ºF)
Pt100
-20 to 200ºC (0 to 400ºF)
Ni100
-20 to 200ºC (0 to 400ºF)
NTC 8k55
-10 to 120ºC (10 to 250ºF)
Pb36 (JIS NTC 6k) -20 to 120ºC (0 to 250ºF)
Accuracy:
Conductivity/resistivity:
≤ 0.5% of reading
Temperature:
≤ 0.3ºC (≤ 0.4ºC for Pt100)
Step response:
≤ 4 seconds for 90% (for a 2 decade step)
Note on performance specifications
The following tolerance is added to above performance.
mA output tolerance: ±0.02 mA of “4-20 mA”
Transmission signals:
General;
Two isolated outputs of 4-20 mA. DC with common negative.
Maximum load 600Ω. Bi-directional HART
®
(HART 5) digital
communication, superimposed on mA1 (4-20 mA) signal.
Output function;
Linear or 21-step table for Conductivity/Resistivity, Concentration
or Temperature.
Control function;
PID control
Burn out function; Burn up (21.0 mA) or burn down (3.6 mA) to signal failure acc.
NAMUR NE43.
Parameters;
Adjustable damping
Expire time
Hold;
The mA-outputs are frozen to the last/fixed value during
calibration/commissioning.
Contact outputs:
General;
Four SPDT relay contacts with display indicators. Contact outputs
configurable for hysteresis and delay time.
Switch capacity;
Maximum values 100 VA, 250 V AC, 5 Amps. (*1)
Maximum values 50 Watts, 250 V DC, 5 Amps. (*1)
Status;
High/Low process alarms, selected from conductivity, resistivity,
concentration or temperature.
Configurable delay time and hysteresis.
PID duty cycle or pulsed frequency control.
FAIL alarm
