MATERIAL

Marine-grade aluminium alloy   or 316 stainless steel with 5-coat painted finish

WEIGHT

Aluminium version 2.3 kg (5 lb),   stainless steel version 5.0 kg (11 lb)

DIMENSIONS

159 x 197 x 114 mm (6 ¼ x 7 ¾ x 4 ½ inch)

CABLE ENTRIES

5 x M25 (ATEX/IECEx version) or 5 x ¾”   NPT (cULus version).

One reserved for sensor connection.

3 blanking plugs supplied for unused   entries.

TERMINATION

2 x pluggable rising-clamp type for   connection to gas detector and field wiring.

Accepts cable sizes of 0.5 to 2.5mm2

, 12 to 28 AWG

STORAGE TEMPERATURE

-40 to +65 °C (-40 to 149 °F)

OPERATIONAL

TEMPERATURE

-40 to +65 °C (-40 to 149 °F)

-60 to +65 °C (-76 to 149 °F) (CU TR-EX   version only)

HUMIDITY

0 to 99% RH (non-condensing)

DISPLAY

LCD module showing digital readout of   sensor output, bar chart representation, units of measurement, status icons   for alarm, maintenance and active

Bluetooth connection.

CONFIGURABLE DISPLAYED

INFORMATION

Displayed information fully   user-configurable using the OELD mobile app.

Units of measurement selectable from:

• %LEL, %VOL, ppm, kppm, mg/m3

, g/m3

 (point detectors)

• LEL.m, ppm.m (open path detectors)

• mA, A, dB, DBA (other)

Gas name (up to 4 alpha-numeric   characters)

Measurement range

VISUAL INDICATION

Green/yellow/red/blue multi-colour   backlit display for indication of detector and OELD status.

Green (normal) indication can be disabled   via app.

POWER SUPPLY

18 to 32 Vdc (24 Vdc nominal), <2 W

INTERFACES

Bluetooth® (BLE) non-intrusive connection   to suitable mobile device running the OELD mobile app.

Range up to 10 m (30 feet) (mobile device   dependant)

Internal RS-485 connection to Searchpoint   Optima Plus or Searchline Excel via SHC-1 through the SHC Protection Device

COMPATIBLE GAS DETECTORS

Searchpoint Optima Plus. Searchine Excel,   Searchline Excel Cross-Duct, generic 4 to 20 mA devices

ENVIRONMENTAL

PROTECTION

IP66 / Type 4X (in accordance with NEMA   250)

CORE APPROVALS

EN 50270: 2015 (EMC)

IEC/EN/UL/CSA 61010 (Electrical Safety)

OELD SPECIFICATION

SAFETY APPROVALS

ATEX/IECEx

DEMKO 16 ATEX 1693X

IECEx [UL 16.0066X]

 II   2 GD

Ex db IIC T6

Ex tb IIIC T85 °C

Tamb -40 to +65 °C

EN 60079-29-1 Approved Accessory

cULus

Class I, Div 1, A, B, C & D

Class II, Div 1 F & G, Class III, Div   1

Tamb -55 to +65 °C

Temp Code T6

Class I, Zone 1, AEx d IIC T6

Class I, Zone 21, AEx tb IIIC T6

ISA 60079-29-1

CU TR-Ex (Russian Customs Union), Tamb   -60 to +65 °C*

CCCF*

Inmetro*

NEPSI+*

PESO+*

MARITIME APPROVALS*

Type approved to DNV, BV+, Lloyds+, ABS,   EN 60945 (EMC) IEC 60092-504

OTHER APPROVALS

Bluetooth Certified, Radio Equipment   Directive (RED), FCC+, country-specific wireless approvals

BLUETOOTH COMMUNICATION

SECURITY

Certificate-based mutual authentication.

Encryption to AES128