Dwyer Instruments SERIES ISDP Catalog Page

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SERIES ISDP

INTRINSICALLY SAFE DIFFERENTIAL PRESSURE TRANSMITTER

For Hazardous Zone Pressure and Flow Applications

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BRACKETS ARE OPTIONA

PRESSURE

Shown with optional A-438 mounting bracket

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The Series ISDP Intrinsically Safe Differential Pressure Transmitter provides a 4-20 mA process output, a robust NEMA 4X enclosure, plus a large LCD display that

can be programmed to read in pressure, velocity or ow. The ISDP offers simplied

programming via a Menu key that enables the user to select: security level; English

or Metric engineering units; pressure, velocity or ow operation, K-factor for use with various Pitot tubes and ow sensors, circular or rectangular duct size for volumetric ow operation plus many more. The Series ISDP Differential Pressure Transmitter is powered on its two wire loop with 10-35 VDC via its integral M-12 four pin male connector. The ISDP provides a 0.5% full-scale accuracy on ranges from 0.25 in w.c. to 100 in w.c. as well as bi-directional models up to 10 in w.c. These features make the Series ISDP Differential Pressure Transmitter the ideal instrument for monitoring pressures or air ows in hazardous zones having a Class I Div. I Groups A, B, C, D; Class II Div. I Groups E, F, G; Class III Div. I ratings.

FEATURES/BENEFITS

• NEMA 4X rated enclosure provides protection in harsh environments permitting

outdoor monitoring or in areas where dust and particulate matter exists

• Easy to read LCD display provides immediate local alerts allowing corrective action to be taken quicker to eliminate the problem from becoming widespread

• Intrinsically safe for use in the specied hazardous locations meets specications where pressure transmission and safety cannot be compromised

• Password protected set up menu helps to insure no errors by untrained personnel when accessing the powerful measurement capabilities of this device

APPLICATIONS

• Hazardous zone pressure control applications

• Hazardous ow and control applications

MODEL CHART Model Range (in w.c.) Model Range (in w.c.) ISDP-002 ISDP-004 ISDP-006 ISDP-007 ISDP-008 ISDP-009 ISDP-010

OPTIONS To order add sufx: Description

-NIST NIST traceable calibration certicate

Example: ISDP-004-NIST

-FC Factory calibration certicate

Example: ISDP-004-FC

0 to 0.25 0 to 1 0 to 5 0 to 10 0 to 25 0 to 50 0 to 100

ISDP-012 ISDP-014 ISDP-015 ISDP-016 ISDP-017

0 to ±0.25 0 to ±1.0 0 to ±2.5 0 to ±5.0 0 to ±10

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SPECIFICATIONS Service: Air and non-combustible gases. Wetted Materials: Ranges 5 in w.c. and greater: glass, PVC, silicon, alumina

ceramic, epoxy, RTV, gold, aluminum, stainless steel and nickel; Ranges 1 in w.c. and lower: stainless steel, silicone, 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 in w.c.: 5 psi; 10 in w.c.: 5 psi;

25 in w.c.: 5 psi; 50 in w.c.: 5 psi; 100 in w.c.: 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 and Span Adjustments: Accessible via menus. Response Time: 250 ms (damping set to 1). Display: 4 digit LCD 0.6˝ H. Electrical Connections: M-12 4 PIN Connector. Process Connections: 1/8˝ female NPT. Enclosure Rating: Designed to meet NEMA 4X (IP66). Mounting Orientation: Mount unit in vertical plane. Weight: 2 lb 10 oz (1.19 kg). Agency Approvals: 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. FM Intrinsically Safe CLI Div I GR: A, B, C, D; CLII Div I GR: E, F, G; CLIII Div I.

ACCESSORIES Model Description A-231 A-486 A-487 A-488 A-295 MTL5541 MTL7706 A-438

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16´ (5 m) shielded cable with 4 pin female M-12 connection

4.9´ (1 m) shielded cable with 4 pin female M-12 connection

9.8´ (3 m) shielded cable with 4 pin female M-12 connection 33´ (10 m) shielded cable with 4 pin female M-12 connection Female 4 pin M-12 to cable gland connector Intrinsically safe galvanic isolator Intrinsically safe zener barrier Surface mounting brackets

Process Tubing Options: See page 453 (Gage Tubing Accessories)

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MOUNTING HOLE

PATTERN

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4X ø3/16 [4.76] CLEARANCE HOLES FOR MOUNTING

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DWYER INSTRUMENTS, INC.

Differential Pressure Transmitters,

Air & Gas