| SMART WG-2 e. conductivity + °C |
Measuring and control device for
e. conductivity + °C measurement.
Wall mounting housing 120 x 122 mm
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| Specifications: (changes reserved) |
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| Illuminated display |
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Measuring input e.c.: S/cm or Ohm/cm
measuring range
Cell constant |
Ideal for use with our measuring cells LM-/LMP-001, -01, -1, -5
The device is switchable on S/cm
or Ohm/cm |
| LM/LMP -001 |
9,999µS 99,99µS 999,9µS |
| LM/LMP -01 |
99,99µS 999,9µS 9999µS |
| LM/LMP -1 |
999,9µS 9999µS 99,99mS |
| LM/LMP -1 |
9999µS 99,99mS 210mS |
| LM/LMP -5 |
999,9mS |
| Cc adjustable |
0,0025 - 50,000 |
| accuracy |
± 1,5% resp. 10 digit |
| Sensor |
conductive 2-/4 electrode measuring cell |
| Tc |
2,2% nat. water / 0-6,9% linear |
| Display |
µS / mS / to Ohm switchable |
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Measurement inputs to the device isolated.
Automatic temperature compensation with Pt100 |
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| Measuring input temperature: |
| Range |
-20,0...110,0°C |
| Accuracy |
0,5°C |
| Sensor |
Pt 100 in 2-or 3 wire technology
Cable break and short-circuit monitoring |
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| Outputs: |
2 potential-free relay contacts
(the measuring inputs are assigned as desired) |
250 V AC / 8A
with resistive load |
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| Freely configurable as: |
| Limit |
limit switch |
| Alarm |
alarm control |
| PRI |
proportional pulse lengths |
| PRF |
proportional pulse frequency |
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| Limit switch: |
| Available switching characteristics |
NO / NC |
| Permanent or pulse contact |
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| Switching delay |
0...9999 sec. |
| Switching hysteresis |
0...800 digit |
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| Alarm control: |
| Optical Signal |
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| Acoustic signal |
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Delay time
manually reset |
0,1...30 min. |
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| Proportional pulse lengths: |
| Integral component switchable |
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| Period duration |
4...120 sec. |
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| Proportional pulse frequency: |
| Integral component switchable |
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| Pulse frequency |
0...3 Hz |
| Pulse length |
170 ms fixed |
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| 2 Analog outputs: |
Standard signal
0...5V/10V by parall connection
of a 250/500 Ohm resistor. |
0/4 ... 20 mA
Freely allocate to the display value |
| Maximum burden |
500 Ohm |
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| General: |
| Operating voltage |
85...264V 50/60 Hz
9...36V DC Art. 1300.2201.DC |
| Power consumption |
< 5 VA |
| Ambient temperature |
0...50°C |
| Case |
Wall mounting housing 120 x 122 mm |
| Material |
ABS |
| Connectors |
Plug-in terminal |
| Weight |
approx. 500g |
| Climate resistance |
rel. Humidity =< 75%
without condensation |
| Electrical safety |
to EN 61 010
Air and creepage distances for
Overvoltage category II
Pollution degree 2 |
| Class |
1 |
| Protection class |
to EN 60 529
front side IP65 |
| Electromagnetic tolerability |
to NAMUR recommendation
NE21, EN 50 081 Part 1
EN 50 082 part 2 |
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