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FM Approvals LLC. 1151 Boston-Providence Turnpike, Norwood, MA 02062 USA
T: +1 (1) 781 762 4300 F: +1 (1) 781 762 9375 E-mail:
F 347 (Mar 16)
Figura 105
142
US Certificate Of Conformity No: FM16US0256
The marking of the equipment shall include:
Class I Division 1, Groups A, B, C, D; T6 Ta = -20°C to +55°C; Type 4X, IP65
Class II, Division 1, Groups E, F, G, Class III, Division 1; T6 Ta = -20°C to +55°C; Type 4X, IP65
Description of Equipment:
General - The GPro 500 Gas Sensor is an optical instrument designed for continuous in-situ gas monitoring in
stack, pipes, and similar applications. The sensor is based on tunable diode laser absorption spectroscopy
(TDLAS) technology. The GPro 500 Gas Sensor utilizes a single side installation without the need for alignment
to measure the average gas concentration along the line of sight path in the probe. The measuring principle
used is infrared single line absorption spectroscopy, which is based on the fact that each gas has distinct
absorption lines at specific wavelengths. The GPro 500 consists of 3 separate units, the TDL head (which is
explosionproof rated and the subject of this certificate), and the insertion probe which has no electrical
connections, a junction box and the user interface M400 (which are not explosionproof rated). The flange
mounted insertion probes are available in 3 lengths.
Construction - The GPro 500 housing is a coated aluminum enclosure with a bolt on cover and is available
with (1) ½ inch NPT conduit opening.
Ratings - The GPro 500 TDL head contains the laser module with a temperature stabilized diode laser,
collimating optics, the main electronics and data storage. The unit is rated for a maximum of 24 VDC, 5 Watts.
The laser source has a maximum radiation strength of 0.24mW/mm².
GPro 500-USabcdefghij_/_k. Gas Sensor.
a = Gases: A0, A1, C0, H0, H1, C2, C1, CC, S0, S1, L0, L1, M0, M1, N0, or N1
b = Process Interface: P, F, B, H, W, S, E, A, C, or K
c = Process Optics: B, C, Q, R, S, or T
d = Process Sealing: K, G, E, V, S, I, F, or M
e = Wetted Materials: S0, S1, C0, B0, T0, T1, C2, C4, A5, P0, P1, P2, S2, Z0, A0, S3, or S4
f = Optical path probes and extractive cell: 20, 40, 80, 01, 02, 03, 04, 05, 06, 10, or XX
g = Process Connection: PD, PA, LD, LA, GD, GA, MD, MA, ND, NA, W1, W2, W3, W4, W5, W6, S1, S2, S3,
S4, S5, S6, J1, J2, J3, J4, J5, J6, J7, J8, J9, EM, or EI
h = Wall Thickness: 1, 2, 3, 4, 5, 6, or X
i = Filter: A, B, C, D, E, F, or X
j = Thermal Barrier: S or H
k = Communication Interface: X or A
Specific Conditions of Use:
None
Test and Assessment Procedure and Conditions:
This Certificate has been issued in accordance with FM Approvals US Certification Requirements.
THIS CERTIFICATE MAY ONLY BE REPRODUCED IN ITS ENTIRETY AND WITHOUT CHANGE
Certificado FM. Aprobaciones FM (página 2/3)
SCHEDULE
information@fmapprovals.com www.fmapprovals.com
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