WatchGas SST4 Pump – 4-Gas Pumped Confined Space Detector

Four-gas pumped detector for confined-space entry that can also be worn in diffusion mode. It samples up to 33 m and runs up to 6 working days (LPC) or 12 working days (IR). IP65/68, ATEX/IECEx Zone 0.

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SKU: WATCHGAS-SST4-PUMP Category: Tag: Brand:

Four-gas pumped detector for confined-space entry that can also be worn in diffusion mode. It samples up to 33 m and runs up to 6 working days (LPC) or 12 working days (IR). IP65/68, ATEX/IECEx Zone 0.

Specifications

Gases O2, LEL, CO, H2S, SO2 (up to four shown simultaneously)
O2 sensor 0–25 % vol, res. 0.1 % vol; alarms low 19.5 % / high 23.5 %
LEL sensor options Low Power Catalytic, Catalytic Bead or Non-Dispersive Infrared; 0–100 % LEL, res. 1 % LEL; alarms low 10 % / high 20 %
CO sensor 0–2000 ppm, res. 1 ppm; alarms low 35 / high 200 ppm; TWA 20, STEL 100 ppm
H2S sensor 0–500 ppm, res. 0.1 ppm; alarms low 10 / high 15 ppm; TWA 10, STEL 15 ppm
SO2 sensor 0–100 ppm, res. 0.1 ppm; alarms low 5 / high 10 ppm; TWA 2, STEL 5 ppm
Sampling Internal pump, bottom hose connection, up to 33 m sampling; optional diffusion mode
Typical battery life LPC low power catalytic: 50 h; HP LEL: 18 h; IR: 100 h (about 6 / 12 working days of 8 h for LPC / IR)
Charging time 5–6 hours (induction)
Size 150 × 62.2 × 32.4 mm (+4 mm with alligator clip)
Weight 275 g
Operating temperature -20 to +60 °C
Humidity 5–95 % RH (non-condensing)
Event logging 100 events
Data logging 6 months
Ingress protection IP65 / IP68
Communication NFC – WatchGas SST App, compatible with i.Safe intrinsically safe phones/tablets
Calibration interval 6 months (industry standard)
Alarm 95 dB at 30 cm; factory set points adjustable via SST Dock and App; backlit display
Warranty 2 years
Applications Confined spaces, storage tanks, sewage networks, mining, utility networks, food production, industrial sites, ship holds and engine rooms
Accessories Ball float 7182112; SST range probe SST-PROBE; Last-o-More tubing per metre 5×8 mm (411-0018-039) / 3×5 mm (411-0018-038); universal cradle charger SST-IND-S; 5-way stackable charging cradle SST-STACK-CHR; lanyard bar SST4-POUL-10; SST Dock; SST RTR web reporting software

Standards & Certifications

  • ATEX / IECEx / UKEX (LEL-LPC & LEL-CAT): II 1 G Ex ia IIC T4 Ga; I M1 Ex ia I Ma
  • ATEX / IECEx / UKEX (LEL-IR): II 1 G Ex ia op is IIC T4 Ga; I M1 Ex ia op is I Ma
  • North America: Class I Division 1 Groups A, B, C, D T4
  • US: Class I Zone 0 AEx ia IIC T4 Ga (IR: AEx ia op is IIC T4 Ga)
  • Canada: Ex ia IIC T4 Ga (IR: Ex ia op is IIC T4 Ga)
  • EN 50270:2015+AC:2016
  • EN 301 489-1 V2.2.3
  • EN 301 489-3 V2.1.1
  • RoHS EN 63000:2018

For pricing and availability, please request a quotation.

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