Walchem WDB400 Series, Инструкция по эксплуатации

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2
2.0 SPECIFICATIONS
2.1 Measurement Performance
Conductivity Range 0 - 10,000 µS/cm (microSiemens/centimeter)
Conductivity Resolution 1 µS/cm
Conductivity Accuracy 10 - 10,000 µS/cm ±1% of reading
0 - 10 µS/cm ±20% of reading
Temperature Range 32 - 392°F (0 - 200°C)
Temperature Resolution 0.1°C
Temperature Accuracy ± 1% of reading
2.2 Electrical: Input/Output
Input Power
100-240 VAC, 50/60 Hz, 8A
Fuse: 1.0 ampere, 5 x 20 mm
Input Signals
Conductivity electrode 1.0 cell constant, Pt1000 RTD
Flow Meter (optional) Isolated, dry contact closure required (i.e. relay,reed switch)
Flow Switch (optional) Isolated, dry contact closure required (i.e. reed switch)
Outputs
Mechanical Relays Pre-powered on circuit board switching line voltage
6 A (resistive), 1/8 HP
All relays are fused together as one group, total current for this
group must not exceed 6A.
4 - 20 mA (1 or 2 optional) Internally powered
Fully isolated
600 Ohm max resistive load
Resolution .001% of span
Accuracy ± 1% of reading
Agency Approvals
UL ANSI/UL 61010-1:2004, 2
nd
Edition*
CAN/CSA C22,2 No.61010-1:2004 2
nd
Edition*
CE Safety EN 61010-1 2
nd
Edition (2001)*
CE EMC EN 61326 :1998 Annex A*
Note: For EN61000-4-6,-3 the controller met performance criteria B.
*Class A equipment: Equipment suitable for use in establishments other than domestic, and those directly
connected to a low voltage (100-240 VAC) power supply network which supplies buildings used for
domestic purposes.
2.3 Mechanical
Enclosure Material Polycarbonate
NEMA Rating NEMA 4X
Dimensions 8.5" x 6.5" x 5.5"
Display 2 x 16 character backlit liquid crystal
Operating Ambient Temp 32 – 122°F (0 – 50°C)
Storage Temperature -20 – 180°F (-29 – 80°C)
Electrode mounting ¾" NPTF
Electrode rating 250 psi at 392°F (17.2 bars at 200°C)
Electrode material 316 SS and PEEK