Explosion Proof RF (Eddy Current) Sensors
Certified to ATEX and IECEx

MSI explosion proof sensors are certified (ATEX compliant with 94/9/EC) and comply with the essential health and safety requirements relating to the design and construction of equipment and protective systems intended for use in potentially explosive atmospheres.

ATEX Certification
IECEx Certification
EC Declaration of Conformity
Installation Instructions

Type

Modulated Carrier (RF)

Physical Features

Body material: 300 series stainless steel
Epoxy encapsulation
IR leakage: 100 Mohms @ 100 VDC min.
High Shock and Vibration resistance (MIL-STD-202G METHOD 214A, Test Condition H)

Interconnection Options

Male or Female NPT threaded body with wire or cable pigtail for explosion proof environments
Cylindrial Male or Female thread types also available; e.g. M10 through M20

Mounting Thread Options

Threaded options range from 3/8-24 through 3/4-20 or M10 through M20
Body can also be smooth with no mounting threads

Approvals

Explosion Proof Ex d certified for IECEx and LCIE

II 2 G

Ex d IIC T6 to T2

ATEX Cert: LCIE II ATEX 3029 X

IECEx Cert: IECEx LCI11.0012 X

Temperature Range

Temperature Class	Ambient Temperature
T6	-40°C≤Ta≤+70°C
T5	-40°C≤Ta≤+85°C
T4	-40°C≤Ta≤+100°C
T3	-40°C≤Ta≤+100°C
T2	-40°C≤Ta≤+100°C

Extended temperature range options are also available; contact factory for details

Warranty

Unconditional one (1) year warranty if used within specifications

1/2x14 MALE NPT

Model Number	Mounting Thread (A)	Thread Length (B)	Resistance (ohms)	Inductance (mH)
RF75-1	5/8-18	1.5	10.5	1 typ.
RF75-2	M16x1.5	1.5	10.5	1 typ.
RF75-3	11/16-24	1.5	10.5	1 typ.
RF75-4	M18x1.5	1.5	10.5	1 typ.
RF75-5	3/4-20	1.5	10.5	1 typ.
RF75-6	M20x1.5	1.5	10.5	1 typ.
RF75-7	5/8-18	1.5	3.52	0.35 typ.
RF75-8	M16x1.5	1.5	3.5	0.35 typ.
RF75-9	11/16-24	1.5	3.5	0.35 typ.
RF75-10	M18x1.5	1.5	3.5	0.35 typ.
RF75-11	3/4-20	1.5	3.5	0.35 typ.
RF75-12	M20x1.5	1.5	3.5	0.35 typ.

1/2x14 FEMALE NPT

Model Number	Mounting Thread (A)	Thread Length (B)	Resistance (ohms)	Inductance (mH)
RF75-13	5/8-18	2.0	10.5	1 typ.
RF75-14	M16x1.5	2.0	10.5	1 typ.
RF75-15	11/16-24	2.0	10.5	1 typ.
RF75-16	M18x1.5	2.0	10.5	1 typ.
RF75-17	3/4-20	2.0	10.5	1 typ.
RF75-18	M20x1.5	2.0	10.5	1 typ.
RF75-19	5/8-18	2.0	3.5	0.35 typ.
RF75-20	M16x1.5	2.0	3.5	0.35 typ.
RF75-21	11/16-24	2.0	3.5	0.35 typ.
RF75-22	M18x1.5	2.0	3.5	0.35 typ.
RF75-23	3/4-20	2.0	3.5	0.35 typ.
RF75-24	M20x1.5	2.0	3.5	0.35 typ.

Notes:
Dimensions in inches
Specifications +/- 10%
Mounting threads UNF-2A

MSI can make custom Explosion Proof RF (Eddy Current) speed sensors in customer-specified lengths, diameters, configurations, mounting threads (e.g., metric) as well as with different operating specifications and options like pigtail leads, etc. Our certifications permit us to manufacture a custom version under the existing certifications, which makes our process quick and cost effective.

Please contact our engineering department at eng@motionsensors.com or 252-331-2080 to learn how Motion Sensors can provide a custom FlameProof RF speed sensor for your application.

Atex Certified: Custom & Standard Speed Sensors for Intrinsically Safe applications (also approved by CSA w/NRTL/C)

Explosion Proof RF (Eddy Current) Sensors Certified to ATEX and IECEx