Specifications, 1 specifications, 1 general specifications – Yokogawa GD40 Gas Density Detector User Manual
Page 10: Specifications -1, Specifications -1 1.1.1, General specifications -1

<1. Specifications>
1-1
IM 11T3E1-01E
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
l
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 page1-5.)
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.
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.
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
2
T5
Temperature Code : T5
Electrical connection : G1/2 female
Process connection : Rc1/4