Mechanical Specifications; Environmental Specifications - Emerson Rosemount 935 Reference Manual

Reference Manual
00809-0100-4035
5.3.3 HART
The HART protocol is a digital communication signal at low levels in addition to the 0–20
mA.
This bi-directional field communication protocol is used to communicate between
intelligent field instruments and the host system.
5.4

Mechanical specifications

Enclosure:
Explosion proof:
Water and dust
tight:
Electrical
connection:
Dimensions:
Weight:
5.5

Environmental specifications

The Rosemount 935 system is designed to withstand harsh environmental conditions.
The transmitter and receiver units compensate for adverse conditions while maintaining
accuracy.
5.5.1 High temperature
The Rosemount 935 system conforms to DNVGL-CG-0339, class D.
Operating temperature:
Storage temperature:
Rosemount 935
protocol
®
The receiver, transmitter, and tilt mount are stainless steel 316
electrochemical and passivated coating.
ATEX, IECEx, and UKCA
FM/FMC
IP66 and IP68
IP68 is rated for 2-meter depth for 45 minutes
NEMA 250 type 6p
(2 options – specified at time of order)
2 X M25 (ISO)
2 X ¾-in. – 14 NPT conduits
Receiver
Transmitter
Tilt Mount
Receiver
Transmitter
Tilt mount
Ex II 2(2) G D
Ex db eb ib [ib Gb] IIB+H
Ex tb [ib Gb] IIIC T135 °C Db
Class I Div. 1 Groups B, C, and D
Class II/III Div. 1 Groups E, F, and G
–58 °F/-50 °C ≤ T ≤ 149 °F/65 °C
a
10.5 x 5.1 x 5.1-in.
10.5 x 5.1 x 5.1-in.
4.7 x 4.7 x 5.5-in.
11 lb
11 lb
4.2 lb
+149 °F/+65 °C
+149 °F/+65 °C
Technical specifications
May 2023
T4 Gb
2
267 x 130 x 130 mm
267 x 130 x 130 mm
120 x 120 x 40 mm
5 kg
5 kg
1.9 kg
25