External pump Drager X-am (D-11857-2016) –
# Dräger X-am External Pump (D-11857-2016)
> Commercial part number: **8327100**
> D‑11857‑2016 = document reference number (specification sheet), not spare part PN
> Type: External aspirating sampling pump for Dräger X-am portable gas detector
## Weight
**0.20 kg (200 g / 0.44 lb)**
> Remark: Individual pump unit; no standalone isolated product photo, reference picture of pump clipped to X-am detector
## English Specification
1. **Function**
Remote sampling pump for confined space, tank, shaft clearance gas measurement. Auto starts when clipped onto powered X‑am detector; auto stops after removal. Quick switch between pumped sampling mode and diffusion mode. Built‑in water & dust filter protects pump and sensors.
2. **Compatible Detectors**
Dräger X‑am 2500, X‑am 2800, X‑am 5000, X‑am 5600, X‑am 5800
3. **Sampling Performance**
– Nominal flow rate: 0.4 L/min
– Max sampling hose length: 45 m
– Suitable tubing: 3 mm / 5 mm OD sampling hose
4. **Power & Battery**
– Rechargeable lithium‑ion battery
– Charging interface: Micro‑USB
– Max continuous runtime: up to 20 hours (depends on temperature & gas composition)
– Full charging time: < 6 hours
– Charging temperature range: 0 ℃ ~ +35 ℃
5. **Dimensions (Pump only, without detector)**
67 × 175 × 38 mm
6. **Environmental Conditions**
– Operating temperature: -20 ℃ ~ +50 ℃; short‑term peak -40 ℃
– Storage temperature: -20 ℃ ~ +45 ℃; up to 1 month: -20 ℃ ~ +60 ℃
– Barometric pressure: 700 ~ 1300 hPa
– Humidity: 0 ~ 95 % RH, non‑condensing
7. **Protection & Certifications**
– Ingress protection: IP67
– Approvals: ATEX / IECEx II 1G Ex ia IIC T4 Ga, I M1 Ex ia I Ma; cCSAus, CE, DNV‑GL
8. **Scope Note**
8327100 = pump + USB cable (power adapter not included); 8327115 = full set with charger and strap.