Apg RPM Explosion Proof Resistive Chain user manual User Manual download pdf (Page 4)

RPM Series Rev. D6, 10/09

Automation Products Group, Inc.

APG...Providing tailored solutions for measurement applications

Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]

• Description

The RPM utilizes reed switches in the instrument’s stem and a permanent

magnet in the float. As the float rises or falls with the level of the liquid, the

magnet inside the float acts on the reed switches inside the stem and provides a

resistive-chain output. The RPM is also available with optional electronics that

convert the resistance output into a 4-20mA signal.

• Handling of the Intrinsically Safe RPM Series

Electrical ratings; 12 to 24 Volts DC, 4 - 20 ma

Exia Class I Division 1; Groups C, D T3C (Max. Temp. 85°C)

Vmax = 30VDC, Imax = 130ma, Ci = 3nF, Li = 0uH

ATEX Directive:

0334

KEMA 05 ATEX 1207 X

II 1 G EEx ia IIB T3

-40°C ≤ Ta ≤ +85 °C

Ui ≤ 30 V, Ii ≤ 130 mA, Pi ≤ 1 W, Ci ≤ 3 nF, Li ≤ 0 mH

All repairs and adjustments of the RPM must be made by the factory. To

modify, disassemble, or alter the RPM on site is strictly prohibited. Do not

loosen any joints, with the exception of the housing cover for electrical

connection.

• Handling of the Explosion-Proof RPM Series

Electrical ratings; 5 to 15 Volts DC, 100 ma

Class I Division 1 Groups C & D (Max. Temp. 40°C.)

Class I Division 2; Groups C & D (Max. Temp 85°C.

Probe may be wired as a Non-Incendive device in Class I Division 2 Groups C &

D areas. All repairs and adjustments of the RPM must be made by the factory.

To modify, disassemble, or alter the RPM on site is strictly prohibited. Do not

loosen any joints, with the exception of the housing cover for electrical

connection.

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Apg RPM Explosion Proof Resistive Chain user manual User Manual Page 4