YOKOGAWA GD402G /M1, User Manual, Page: 12 / 171

<1. Specifications>
1-1
IM 11T03E01-51E
1. SPECIFICATIONS
1.1 Specifications
The specifications of the GD402 gas density meter as described below.
Certificate is approved for model GD402G, GD40G.
1.1.1 General Specifications
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System Components
(1) GD40G, T, V, R Detector: Rainproof for outdoor use (equivalent to IP65/NEMA4X)
(see note under “1.1.2 Ambient conditions” on page 1-5.)
Ambient Temperature : -10 to 60°C
Ambient Humidity : 5 to 95%RH
GD40G : General purpose detector. (Non-Explosion-proof)
Electrical connection : 1/2 NPT female
Process connection : 1/4 NPT female
GD40T : FM Explosion-proof and Intrinsically safe Approval.
Explosion-proof for Class I, Division 1, Groups B, C and D;
Dust Ignition-proof for Class II, III, Division 1, Groups E, F and G with
Intrinsically Safe sensor for Class I, II, III, Division 1, Groups B, C, D, E, F
and G.
Applicable standards:
FM Class 3600:1998, FM Class 3610:2010, FM Class 3615:1989, FM Class
3810:2005, ANSI/ISA 60079-0:2009, ANSI/UL 60079-11:2009, ANSI/NEMA 250:1991
Enclosure : NEMA Type 4X
Temperature Code : T5
Electrical connection : 1/2 NPT female
Process connection : 1/4 NPT female
GD40V : CSA Explosion-proof and Intrinsically safe Approval.
Explosion-proof for Class I, Division 1, Groups B, C and D;
Dust Ignition-proof for Class II, III, Division 1, Groups E, F and G with Intrinsically
Safe sensor for Class I, II, III, Division 1, Groups B, C, D, E, F and G.
Applicable standards:
CAN/CSA-C22.2 No. 25-1966, CAN/CSA-C22.2 No. 30-M1986, CAN/CSA-C22.2
No. 94.2-15, CAN/CSA-C22.2 No. 157-92, CAN/CSA-C22.2 No. 1010.1-92
Enclosure : Type 4X
Temperature Code : T5
Electrical connection : 1/2 NPT female
Process connection : 1/4 NPT female
GD40R : TIIS Explosion-proof and Intrinsically safe Approval.
Explosion-proof code : Exd [ia] IIB+H
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T5
Temperature Code : T5
Electrical connection : G1/2 female
Process connection : Rc1/4
(2) GD402G Converter : Rainproof for outdoor use (equivalent to IP65 / NEMA 4X)