4.4.4
To change the air-duct
• Remove the hood, see 4.4.3 To change the hood.
• Remove the air-duct from the head harness, see 4.4.2 To change
the head harness.
• Assemble the new air-duct in reverse order.
4.4.5 To change the breathing hose
• Pull up the rear part of the hood at the air-duct. Fig. 21.
• Remove the breathing hose from the air-duct. Fig. 22.
• Assemble the new breathing hose in the reverse order.
5. Technical specification
Head harness
Head width adjustable between 50 and 65 cm.
Weights
SR 601: Approx. 465 g, including hose and head harness with
air duct.
SR 602: Approx. 530 g, including hose and head harness with
air duct.
Materials
• Hood SR 601: Microchem® 2800
• Hood SR 602: Microchem® 4000
• Neck seal of SR 601: Microgard® 1500
• Neck seal of SR 602: Cotton/lycra
• Breathing hose: Polyurethane (PU)
• Visor: 0.5 mm PETG
Temperature range
• Storage temperature: from -20 to +40 °C at a relative humidity
below 90 %.
• Service temperature: from -10 to +55 °C at a relative humidity
below 90 %.
Shelf life
The equipment has a shelf life of 5 years from the date of manu-
facture.
6. Key to symbol
See user instructions
Date clocks, year and month
CE approved by
INSPEC International B.V.
Relative humidity
<XX% RH
Temperature range
+XX°C
-XX°C
20
7. Approval
• SR 601/SR 602 in combination with SR 500/SR 500 EX/SR 700:
EN 12941:1998, class TH3.
• SR 601/SR 602 in combination with fan SR 500 EX is approved
in accordance with ATEX Directive 2014/34/EU.
The PPE Regulation (EU) 2016/425 type approval has been issued
by Notified Body 2849. For the address, see the reverse side of
the user instructions.
The EU declaration of conformity is available at www.srsafety.com
ATEX codes:
II 2 G Ex ib IIB T3 Gb
II 2 D Ex ib IIIC T195°C Db
Key to ATEX markings:
Explosion protection mark.
II
Equipment group (explosive atmospheres other than
mines with fire damp).
2 G
Equipment category (2 = High level of protection for
Zone 1, G = Gas).
2 D
Equipment category (2 = High level of protection for
Zone 21, D = Dust).
Ex
Explosion protected.
ib
Type of protection (Intrinsic safety).
IIB
Gas group (Ethylene).
IIIC
Dust material group (zone with conductive dust).
T3
Temperature class, gas (maximum surface temperature
+200°C).
T195°C Temperature class, dust (maximum surface temperature
+195°C).
Gb
Equipment Protection Level, gas (high protection).
Db
Equipment Protection Level, dust (high protection).
IECEx-codes:
Ex ib IIB T3 Gb
Ex ib IIIC T195°C Db
Key to IECEx markings:
Ex
Explosion protected.
ib
Type of protection (Intrinsic safety).
IIB
Gas group (Ethylene).
IIIC
Dust material group (zone with conductive dust).
T3
Temperature class, gas (maximum surface
temperature +200°C).
T195°C
Temperature class, dust (maximum surface
temperature +195°C).
Gb
Equipment Protection Level, gas (high protection).
Db
Equipment Protection Level, dust (high protection).
Type approvals in accordance with ATEX Directive have been issued
by Notified Body No. 0470.
Nemko AS, Phillip Pedersens vei 11, N-1366 Lysaker, Norway
Type approvals in accordance with IECEx scheme have been issued
by Notified Body No. 2460.
DNV GL Presafe AS, Veritasveien 3, N-1363 Høvik, Norway.
Australian StandardsMark
The hoods SR 601 and SR 602 are tested according to AS/
NZS 1716:2012. The StandardsMark is issued under licence by
SAI Global Certification Services Pty Limited Lic No. 766 (ACN
108 716 669) ("SAI Global").