Dwyer ISDP User Manual

Page 3

SPECIFICATIONS
Service: Air and non-corrosive gases.
Wetted Materials: Ranges 5˝ and greater: glass, PVC, silicon, alumina ceramic, epoxy,
RTV, gold, aluminum, stainless steel and nickel; Ranges 1˝ and lower: stainless steel, sil-
icone, gold and ceramic.
Housing Materials: Aluminum, glass.
Accuracy: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour
warm-up).
Stability: < ±1% per year.
Pressure Limits: Ranges ≤ 2.5 in. w.c. = 2 psi;
5˝: 5 psi; 10˝: 5 psi; 25˝: 5 psi; 50˝: 5 psi; 100˝: 9 psi.
Temperature Limits: 32 to 140°F (0 to 60°C).
Compensated Temperature Limits: 32 to 140°F (0 to 60°C).
Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C).
Power Requirements: 10-35 VDC.
Output Signal: 4-20 mA DC.
Zero & Span Adjustments: Accessible via menus.
Response Time: 250 ms (dampening set to 1).
Display: 4 digit LCD 0.6˝ height.
Electrical Connections: M12 4 PIN Connector.
Process Connections: 1/8 female NPT.
Enclosure Rating: Designed to meet NEMA 4x (IP66).
Mounting Orientation: Mount unit in horizontal plane.
Size: 4.73˝ x 4.73˝ x 3.43˝ (120 mm x 120 mm x 87.1 mm).
Weight: 2 lb 10 oz (1.19 kg).
Agency Approvals: FM, C-FM Intrinsically Safe CL1 Div 1 GR: A, B, C, D; CL2 Div 1
GR: E, F, G; CL3 Div 1 CE. CENELEC EN 61326/55024: 2003; IEC 61000-4-2/3/4/6:
2001/2006/2004/2005; CENELEC EN 55011: 2006; 2004/108/EC EMC Directive.

Intrinsic Safety Information

Entity Parameters
Ui = 28VDC
Ii = 93mA
Ci = 22 nF
Li = 400 uH
Pi = 651mW

Intrinsically Safe for the following hazardous areas:
CLASS I DIV. 1 GROUPS A, B, C, D
CLASS II DIV. 1 GROUPS E, F, G
CLASS III DIV. 1 T4

Notes:
1. Remove power from the instrument before carrying out any servicing.
2. Return the instrument to the manufacturer for any repair. Any unauthorized repairs

may impair the intrinsic safety of the instrument.

3. Use only FM approved Associated Apparatus.
4. Install in accordance with ANSI/ISA RP12.06.01, the National Electric Code

ANSI/NFPA 70, in the US, and the Canadian electrical code in Canada.

5. The earth terminal on the housing must be wired to a local earth ground in the

hazardous area.

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