UNS 130/E Original Manufacturer Literature (English PDF)
PDF · Manufacturer document
Precipitation samplers differ in more than funnel size and bottle count. Cover logic determines the collected material, bottle allocation preserves time information, and materials and preservation affect subsequent analysis. The Eigenbrodt catalogue describes these design directions, not standard equipment shared by every model.[1]
Bulk and wet-only collection
A permanently exposed collector may also receive deposition in periods without precipitation. BUS 125/KE information illustrates permanent exposure. If the task concerns precipitation-period samples only, confirm opening on precipitation detection and closure during dry periods.[1]
Relevant UNS and NSA arrangements use precipitation recognition for cover control. This compares collection logic; it does not establish direct conversion between chemical results or reproduce a complete current standard method.
Single bottles and time allocation
| Arrangement | Information retained | Confirm |
|---|---|---|
| Single bottle | A combined sample over the defined period | Period, capacity and collection schedule |
| Two bottles or a distributor | Separate samples for agreed periods | Switching logic, bottle positions and distributor |
| Daily or other time-sequential samples | Finer time segmentation | Clock, allocation conditions and records |
NSA 181 E, D and S arrangements differ in bottle numbers and time use. Confirm count and capacity for the exact model; do not transfer one device’s bottle volume to another timed configuration.[1]
Sampling is not chemical analysis
A sampler collects and preserves according to its controls; laboratory analysis still requires target analytes, handover and method. Online pH or conductivity belongs to other configurations, not an automatic consequence of sampling.
Select materials and temperature control for the analytical task. Glass, plastics and specialised wetted materials are not universally better or worse, and chamber temperature control does not automatically establish suitable preservation for every analyte.
A useful requirements brief
Define bulk versus wet-only collection, event versus time compositing, analytes, expected period, handover and status records; then confirm bottles, distributor and controls.
Match collection logic, time information and analytical requirements. Where a normative method applies, confirm its applicable edition and full requirements separately.
References
- [1] UNS 130/E Original Manufacturer Literature (English PDF), PDF page(s) 11、13、15–16、19–21 (file page order). View reference resource