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EC Type-Approval Certificate

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Devices and protection systems for proper use in areas subject to explosion hazards – Directive 94/9/EG

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TÜV 98 ATEX 1309 X

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Device:

Gas volume corrector of type EC 694

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Manufacturer:

RMG Meßtechnik GmbH

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Address:

Otto-Hahn-Straße 5 D-35510 Butzbach

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The type of this device and the different permissible designs are specified in the Annex to this Type-Approval Certificate.

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TÜV Hannover/Sachsen-Anhalt e.V., a TÜV CERT certification body, certifies as appointed body No. 0032 in accordance with Art. 9 of the Council Directive of the European Communities dated March 23, 1994 (94/9/EG) that the basic requirements for safety and health are fulfilled with regard to the design and manufacture of devices and protective systems for proper use in areas subject to explosion hazards as per Annex II of the Directive. The test results are stated in the confidential test report No. 98/PX0648.

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The basic requirements for safety and health are fulfilled by compliance with EN 50 014:1997

EN 50 020:1994

(10) If the character "X" is indicated behind the certification number, reference is made to special conditions for safe use of the device stated in the Annex to this Certificate. (11) This EC type-approval certificate refers only to the design and construction of the specified device. Further requirements of this directive must be fulfilled with regard to the manufacture and marketing of these devices. (12) The identification of the device must contain the following details:

TÜV Hannover/Sachsen-Anhalt e.V. TÜV CERT Certification Body

Hanover, May 28, 1998

Head of the Certification Body This EC type-approval certificate may not be reproduced other than in full. Extracts or modifications may be taken only with the permission of TÜV Hannover/Sachsen-Anhalt e.V.

Page 1 of 6


TÜV Hannover/Sachsen-Anhalt e.V.

ANNEX

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EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X

(15) Description of the device The gas volume corrector of type EC 694 is used to measure the volume at base conditions of gases or liquids through the evaluation of pressure, temperature and flow rate. The device is provided with a keyboard and a 2-line dot matrix display for the programming and display of values. All inputs and outputs of the gas volume corrector are intrinsically safe. It is supplied by an external power pack or a built-in battery. Maximum permissible ambient temperature with built-in stand-by power supply: 40°C Maximum permissible ambient temperature without built-in stand-by power supply: 60°C Electrical data Supply circuit ........................... (terminals 16[+] and 15[-])

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit only. Maximum values: Design without stand-by power supply Ui = 9.2 V Ii = 100 mA Pi = 230 mW Design with stand-by power supply If the device is supplied by the built-in battery, only a circuit with the following values may be connected to the supply terminals: Ui = 9.2 V Ii = 58 mA Pi = 134 mW The effective inner capacitance is negligibly small. Effective internal inductance: Li = 680 µH

Current output ......................... (terminals 13 and 14)

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit only. Maximum values: Ui = 20 V Ii = 110 mA Pi = 825 mW Effective inner capacitance: Ci = 142 nF The effective internal inductance is negligibly small.

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TÜV Hannover/Sachsen-Anhalt e.V.

Annex to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X

4-wire data interface.......... (terminals 29 to 32)

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit only. Maximum values: Ui = 9.33 V Ii = 60 mA Pi = 140 mW Effective inner capacitance: Ci = 3.03 µF Effective internal inductance: Li = 200 µH

3-wire data interface.......... (terminals 10, 11 and 12)

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 6.5 V Io =3 mA Po =5 mW Characteristic: linear Effective inner capacitance: Ci = 3 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 25 Max. permissible external inductance: Lo = 1

nF µH µF H

For connection to a certified intrinsically safe circuit. Maximum values: Ui = 6.51 V Ii = 20 mA = 33 mW Pi If the device is connected to a certified intrinsically safe circuit, a possible addition of current or voltage must be considered. In this connection, the rules for connecting intrinsically safe circuits must be observed. Start/stop input .................. (terminals 8 and 9)

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 6.5 V Io =7 mA Po = 10 mW Characteristic: linear Effective inner capacitance: Ci = 1.5 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 25 Max. permissible external inductance: Lo = 500

nF µH µF mH

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TÜV Hannover/Sachsen-Anhalt e.V.

Annex to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X

Pulse output ...................... (terminals 23 to 28)

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 6.5 V Io =1 mA Po = 1.5 mW Characteristic: linear Effective inner capacitance: Ci = 4.5 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 25 Max. permissible external inductance: Lo = 1

nF µH µF H

For connection to a certified intrinsically safe circuit: Maximum values: Ui = 20 V Ii = 60 mA Pi = 160 mW If the device is connected to a certified intrinsically safe circuit, a possible addition of current or voltage must be considered. In this connection, the rules for connecting intrinsically safe circuits must be observed. Temperature sensor circuit.. Type of protection: intrinsical safety EEx ib IIC (terminals 17 to 20) Maximum values: Uo = 6.5 V = 200 mA Io Po = 250 mW Characteristic: linear Effective inner capacitance: Ci = 23.3 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 1.7 Max. permissible external inductance: Lo = 0.6 Pressure sensor circuit...... (terminals 1, 2 and 3)

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 6.5 V Io = 200 mA Po = 250 mW Characteristic: linear Effective inner capacitance: Ci = 23.3 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 1.7 Max. permissible external inductance: Lo = 20

µF µH µF mH

µF µH µF µH

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TÜV Hannover/Sachsen-Anhalt e.V.

Annex to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X

Pulse inputs Volume transmitter measuring channel ............ (terminals 21 and 22)

Volume transmitter reference channel.............. (terminals 4 and 5)

Recognition of forward / backward flow.................... (terminals 6 and 7)

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 8.9 V Io =1 mA Po =2 mW Characteristic: linear Effective inner capacitance: Ci = 1.5 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 5.2 Max. permissible external inductance: Lo = 1

nF µH µF H

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 8.9 V Io =1 mA Po =2 mW Characteristic: linear Effective inner capacitance: Ci = 1.5 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 5.2 Max. permissible external inductance: Lo = 1

nF µH µF H

Type of protection: intrinsical safety EEx ib IIC Maximum values: Uo = 6.51 V Io =3 mA Po =5 mW Characteristic: linear Effective inner capacitance: Ci = 1.5 Effective internal inductance: Li = 680 Max. permissible external capacitance: Co = 22 Max. permissible external inductance: Lo = 1

nF µH µF H

(16) The test documents consisting of 59 pages including 27 drawings are listed in the test report.

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TĂœV Hannover/Sachsen-Anhalt e.V.

Annex to the EC Type-Approval Certificate No. TĂœV 98 ATEX 1309 X

(17) Special conditions 1. If connector terminals are used to connect the intrinsically safe circuits of the device, insulated core-end sleeves must be used. 2. If the device is supplied by the built-in battery, only one circuit with the following values may be connected to the supply terminals: Ui = 9.2 V Ii = 58 mA Pi = 134 mW (18) Basic safety and health requirements No additional requirements

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Translation from German

1st SUPPLEMENT to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X of:

RMG Meßtechnik GmbH Otto-Hahn-Straße 5 D-35510 Butzbach

The gas volume corrector of type EC 694 may be manufactured in the future also in accordance with the test documents mentioned below. The changes relate to the inner construction of the device, the electrical data and ambient temperature. The maximum permissible ambient temperature is 60°C, also for the device variant with a built-in stand-by power supply. The temperature class changes to T3. Electrical data Supply circuit........................... (terminals 16[+] and 15[-])

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit only. Maximum values: Ui = 9.2 V Ii = 75 mA Pi = 173 mW Effective inner capacitance: C = 1.5 nF Effective internal inductance: Li = 350 µH

Current output ......................... (terminals 13 and 14)

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit with a linear characteristic only. Maximum values: Ui = 28 V Ii = 100 mA Pi = 700 mW The effective inductance is negligibly small. Effective inner capacitance: Ci = 1.5 nF

3-wire data interface................ (terminals 10, 11 and 12)

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Start/stop input ........................ (terminals 8 and 9)

Ci = 3 Li = 350

nF µH

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Ci = 1.5 Li = 350

nF µH

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1st Supplement to the EC Type-Approval Certificate TÜV 98 ATEX 1309 X

Pulse output ............................ (terminals 23 to 28)

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Ci = 4.5 nF The effective internal inductance is negligibly small.

Temperature sensor circuit ..... (terminals 17 to 20)

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Pressure sensor circuit............ (terminals 1, 2 and 3)

Ci = 23.3 µF Li = 350 µH

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Ci = 23.3 µF Li = 350 µH

Pulse inputs Volume transmitter measuring channel.................................... (terminals 21 and 22)

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Volume transmitter reference channel.................................... (terminals 4 and 5)

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Recognition of forward / backward flow ......................... (terminals 6 and 7)

Ci = 1.5 nF Li = 350 µH

Ci = 1.5 nF Li = 350 µH

Type of protection: intrinsical safety EEx ib IIC Effective inner capacitance: Effective internal inductance:

Ci = 1.5 nF Li = 350 µH

"Special condition" No. 2 shall not be applicable to the design of the device in accordance with this 1st Supplement. "Special condition" No. 1 and all the other data shall apply in unchanged form. Test documents 1.

Description of the changes (7 sheets)

2.

Drawing No.

EC 694 NA.SCH E 694 1-4.SCH E 694 2-4.SCH E 694 3-4.SCH E 694 4-4.SCH

Signed on Oct. 8, 1998 and Nov. 6, 1998 Nov. 5, 1998 Nov. 5, 1998 Nov. 5, 1998 Sept. 28, 1998 Oct. 6, 1998 Page 2 of 3


1st Supplement to the EC Type-Approval Certificate TÜV 98 ATEX 1309 X

E 694 5-4.SCH E 694 6-4.SCH E 694 7-4.SCH E 694 8-4.SCH E 694-4.SCH E 694-B-005 E 694-B-013 E 694-B-014 E 694-4[0] NAM-KONV.SCH Drawings of EC694 pulse output for receivers with common earth (4 sheets)

Nov. 5, 1998 Oct. 6, 1998 Sept. 28, 1998 Sept. 28, 1998 Sept. 29, 1998 Nov. 18, 1998 Sept. 28, 1998 Oct. 6, 1998 Oct. 6, 1998 Sept. 28, 1998

3.

Oct. 6, 1998 and Nov. 5, 1998

List of parts (5 sheets)

TÜV Hannover/Sachsen-Anhalt e.V. TÜV CERT Certification Body Am TÜV 1 D-30519 Hannover

Nov. 5, 1994

Hanover, Dec. 18, 1998

Head of the Certification Body

Page 3 of 3


Translation from German

2nd SUPPLEMENT to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X of:

RMG Meßtechnik GmbH Otto-Hahn-Straße 5 D-35510 Butzbach

The gas volume corrector of type EC 694 may be manufactured in the future also in accordance with the test documents mentioned below. The changes relate to the inner construction of the device and the type of protection. The type of protection of the gas volume corrector of type EC 694 will be EEx ia IIC in the future if all connected intrinsically safe circuits comply with category ia. The maximum permissible ambient temperature and the temperature class in relation to the design of the device are shown in the table below: Design With stand-by power supply Without stand-by power supply

Temperature class T3 T4 T4

Max. permissible ambient temperature 60°C 40°C 60°C

The electrical data and the "Special conditions" of the 1st Supplement shall remain unchanged. Test documents 1.

Description of the changes (4 sheets)

2.

Drawing No.

Signed on June 15, 1999

"Battery pack" (3 sheets) April 13, 1999 "LCD explosion protection module" (2 sheets) April 13, 1999 E 694 1-5.SCH April 13, 1999 E 694 2-5.SCH April 13, 1999 E 694 3-5.SCH April 13, 1999 E 694 4-5.SCH April 13, 1999 E 694 5-5.SCH April 13, 1999 E 694 6-5.SCH April 13, 1999 E 694 7-5.SCH April 13, 1999 E 694 8-5.SCH April 13, 1999 Ec 694-5.SCH April 13, 1999 EC 694-B-013 April 14, 1999 EC 694-5 [0] (6 sheets) June 14, 1999 and March 25, 1999

TÜV Hannover/Sachsen-Anhalt e.V. TÜV CERT Certification Body Am TÜV 1 D-30519 Hannover

Hanover, June 18, 1999

Head of the Certification Body

Page 1 of 1


Translation from German

3rd SUPPLEMENT to the EC Type-Approval Certificate No. TÜV 98 ATEX 1309 X of:

RMG Meßtechnik GmbH Otto-Hahn-Straße 5 D-35510 Butzbach

The gas volume corrector of type EC 694 may be operated in the future also with changed electrical data. Electrical data 4-wire data interface ................. (terminals 29 to 32)

Type of protection: intrinsical safety EEx ib IIC For connection to a certified intrinsically safe circuit only. Maximum values: Ui = 9.33 V Ii = 75 mA Pi = 175 mW Effective inner capacitance: Ci = 3.03 µF Effective internal inductance: Li = 200 µH

All the other data and the "Special conditions" of the 1st Supplement shall remain unchanged. Test document Description of the changes (1 sheet)

TÜV Hannover/Sachsen-Anhalt e.V. TÜV CERT Certification Body Am TÜV 1 D-30519 Hannover

Signed on Sept. 24, 1999 Hanover, October 13, 1999

Head of the Certification Body

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EC694_TUEV_98_ATEX_1309_X_EN