Dwyer Instruments IS626 Operating Manual

Bulletin E-IS-626

ALE NPT/BSPT CONNECTOR WITH CABLE GLAND

/4 NPT or

1/4 BSPT

-1/16 [26.99] HEX

-3/16 [131.75] 6

-1/4 [158.75] MAX

1 [25.40]

/4 NPT OR

/4 BSPT

-1/16 [26.99] HEX

ALE NPT/BSPT CONNECTOR WITH MALE M-12 CONNECTOR

5-1/16 [128.58]

5-21/32 [143.67]

ø1 [25.40]

ø1 [25.40]1-1/16 [26.99] HEX

5-1/16 [128.58]

5-21/32 [143.67]

FEMALE NPT/BSPT CONNECTOR WITH MALE M-12 CONNECTOR

/4 NPT OR

/4 BSPT F

EMALE

= CRITICAL DIMENSION STANDARD TOLERANCES UNLESS NOTED: ALL DECIMAL DIMENSIONS ± /005 ALL ANGLES ± 1’

EMALE NPT/BSPT CONNECTOR WITH CABLE GLAND

-1/16 [26.00] HEX

5-3/16 [131.76]

5-1/4 [158.75]

/4 NPT OR

/4 BSPT F

EMALE

1 [25.40]

Series IS626 Pressure Transducer

Specifications - Installation and Operating Instructions

The Dwyer Series IS626 Pressure Transducer convert pressure into a

standard 4-20 mA output signal. The Series IS626 can be used to accurately measure compatible gases and liquids. Series IS626 full scale accuracy is 0.25% (see specifications). Designed for industrial environments with a NEMA 4X (IP66) housing, this transmitter resists most effects of shock and vibration.

SPECIFICATIONS Service: Compatible gases and liquids. Wetted Materials: Type 316, 316L SS. Accuracy: 0.25% full scale (includes linearity, hysteresis, and repeata-

bility).

Temperature Limit: -4 to 176°F (-20 to 80°C). Compensated Temperature Range: -4 to 176°F (-20 to 80°C).

Intrinsic Safety Approval Classification

The IS626 is UL listed for use in Hazardous (Classified) Locations. The protection method is by Intrinsic Safety, “ia”. It was investigated by UL under UL Standard 913 8th Edition, CAN/CSA C22.2 No. 60079-0:15 and CAN/CSA C22.2 No. 60079-11:14.

Thermal Effect: ±0.02% FS/°F (includes zero and span). Pressure Limits: 2X full scale. Power Requirements: 10 to 28 VDC. Output Signal: 4 to 20 mA. Response Time: 50 msec. Loop Resistance: 0 - 900 ohms maximum.

Hazardous (Classified) Location Intrinsically Safe For: Class I Div. 1 Groups A,B,C,D Class II Div. 1 Groups E,F,G Class III Div. 1 Class I Zone 0 AEx ia IIC T4 Ga Zone 20 AEx ia IIIC T135°C Da Ex ia IIC T4 Ga Ex ia IIIC T135°C Da

Current Consumption: 38 mA (maximum). Electrical Connections: 3 ft. cable or 4-pin M-12 Connector. Process Connection: 1/4˝ male/female NPT and BSPT. Enclosure Rating: NEMA 4X (IP66) (Self Declared by Dwyer Instru-

ments, Inc.).

Mounting Orientation: Mount in any position. Weight: 8.9 oz (252 g). Agency Approvals: CE, See Intrinsic Safety Approval Classification.

Ta = -20°C to 80°C Install in accordance with Control Drawing 001833-42. See Control Drawing 001833-42 for Entity Parameters.

ATEX: EU TYPE CERTIFICATE NO. DEMKO 18 ATEX 2080 ATEX STANDARDS: EN 60079-0:2012/A11:2013 EN 60079-11:2012 ATEX CLASSIFICATION: 0518 II 1 G Ex ia IIC T4 Ga (-20°C ≤ Tamb ≤ 80°C)

0518 II 1 D Ex ia IIIC T135°C Da (-20°C ≤ Tamb ≤ 80°C) IECEx CERTIFICATE OF CONFORMITY: IECEx UL 18.0086 IECEx STANDARDS: IEC 60079-0: 2011 6TH ED. IEC 60079-11:2011 6TH ED. IECEx CLASSIFICATION: Ex ia IIC T4 Ga (-20°C ≤ Tamb ≤ 80°C) Ex ia IIIC T135°C Da (-20°C ≤ Tamb ≤ 80°C) INSTALL IN ACCORDANCE WITH CONTROL DRAWING 001833-45 SEE CONTROL DRAWING 001833-45 FOR ENTITY PARAMETERS.

DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

Phone: 219/879-8000 www.dwyer-inst.com

WARNING: Use with approved safety barriers

POWER SUPPLY 10-28 VDC

ECEIVER

BLACK

PRESSURE

TRANSDUCER

TERMINAL 4 (-)

TERMINAL 1 (+)

using entity evaluation.

Aluminum tag must be removed prior to installation for all units supplied with aluminum tag option Suffix "AT".

CAUTION: Do not exceed specified supply voltage ratings. Permanent damage not covered by warranty will result. This device is not designed for 120 or 240 volt AC operation. Use only on 10 to 28 VDC.

INSTALLATION

1. Location: Select a location where the temperature of the transducer will

be between -4 and 176°F (-20 to 80°C). Distance from the receiver is limited only by total loop resistance. The tubing or piping supplying pressure to the unit can be practically any length required but long lengths will increase response time slightly.

2. Position: The transducer is not position sensitive. However all standard models are originally calibrated with the unit in a position with the pressure connection downward. Although they can be used at other an gles, for best accuracy it is recommended that units be installed in the position calibrated at the factory.

3. Pressure Connection: Use a small amount of plumber’s tape or other suitable sealants to prevent leaks. Be sure the pressure passage inside the port is not blocked.

5. Wiring

An external power supply delivering 10-28 VDC with minimum current capability of 40 mA DC (per transducer) is required to power the control loop. See Fig. A for connection of the power supply, transducer and receiver. The range of appropriate receiver load resistance (RL) for the DC power supply voltage available is expressed by the formula:

max

Vps - 12.3V

20 mA

Shielded cable is recommended for control loop wiring.

Fig. A

When using cable version IS626, black wire is negative (-) and red wire is positive (+). When using 4-pin M-12 connector models, wire to pins as shown below in Fig. B.

Fig. B

4. Electrical Connections Wire Length - The maximum length of wire connecting the transducer

and receiver is a function of wire size and receiver resistance. Wiring should not contribute more than 10% of the receiver resistance to total loop resistance. For extremely long runs (over 1000 feet), choose receivers with higher resistance to minimize the size and cost of connecting leads. Where wiring length is under 100 feet, wire as small as 22 AWG can be used.

Male-12 Connector

.160

STRIPPING

1.380

WRAP SHIELD WIRE BACK OVER THIS INSERT DURING ASSEMBLY.

O-RING

.240 SHEATHING

REMOVED

ACCESSORIES

FEMALE M-12 CONNECTOR

2-13/64 [55.96]

M12 X 1

FEMALE

ø51/64 [20.24]

ACCESSORY A-295

A-295 Female M-12 Connector

A female 4 position M-12 connector for use in connecting to the M-12 male connector on the IS626. Fit 0.16˝ to 0.29˝ diameter cables with a maximum wire gage at 18 AWG (0.75 mm2).

MAINTENANCE

After final installation of the pressure transducer and its companion receiver, no routine maintenance is required. A periodic check of system calibration is suggested. The Series IS626 transducers are not field repairable and should be returned if repair is needed (field repair should not be attempted and may void warranty). Be sure to include a brief description of the problem plus any relevant application notes. Contact customer service to receive a return goods authorization number before shipping.

A-231 Shielded Cable

A pre-made 16.4 ft (5 m) cable with a 4 pin Female M-12 connector is available for use when connecting to the male M-12 connector on the IS626. Black wire is negative and the brown wire is positive.

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