Sundström SR500ex PAPR

Description

Intrinsically safe

For work in many ignitable or explosive atmospheres

The intrinsically safe Sundström SR500ex powered air purifying respirator designed and approved for use in explosive or ignitable atmospheres. It is an alternative to negative-pressure filter respirators in situations where these are recommended. The fan-assisted air flow may be of benefit during extended periods of work in warm conditions. The fan can be used with most Sundström hoods, face shields or full face masks. It is important to understand that the entire SR500ex system and its individual parts have been certified as intrinsically safe.

Features

Intrinsically safe
Single-button operation
Visible and audible alarms in case of interrupted air delivery
NiMh battery
Up to 6.5 hours’ operation
Approximately 2 hours’ recharge time
Supplied with 2 filters/cartridges/combinations
Can be used with hoods (SR580, SR520, SR530, SR561, SR562, SR601, SR602), shield SR540ex, or full face mask SR200

Data Sheet

Intrinsically safe PAPR

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Description: Intrinsically safe (i.e. for use in explosive or ignitable atmospheres) battery-powered, fan-assisted air-purifying respirator that can be used as an alternative to negative-pressure filter respirators where these are recommended. This applies particularly to extended periods of hard work in warm conditions. The fan can be used with certain Sundström hoods, face shields or full face masks. The fan unit is fitted with a suitable filter, and the filtered air is fed through a hose to the facepiece.
Visual display:
- Normal operation
- Boost fan operation
- Dip in air flow/clogged particle filters
- Battery low
- Air flow obstruction
Air flow rate
- 175 l/min (normal operation)
- 225 l/min (boost operation)
Battery: 13.5 V, 2.1 Ah, NiMh, energy density* 28 Wh (2.8 Wh/cell)
*) Energy density refers to new generation batteries — available late 2021
Operating time
- Normal mode: 6.5 h with P3 filter
- Boost mode: 4 h with P3 filter
Temperature range
- Operation: –10°C to +40°C at <90% RH
- Storage: –20°C to +40°C at <90% RH
Low flow warning: <175 l/min
Filter thread: Rd 44 x 1/7″
Weight: With battery and P3 particle filter: 1,840 g
Protection factors
- With hoods and shields: 200 (TH3)
- With full face mask: 1,000 (TH3)
Intrinsically safe classification
(The IECEx symbol for explosion risk)
- II 2 G Ex ib IIA T3(with SR540 shield or SR200 full face mask with polycarbonate visor)
- II 2 G Ex ib IIB T3(with SR520, SR530, SR561, SR562 or full face mask SR200 with glass visor)
- II 2 D Ex ibD 21 T195°C(with any of the above)