Optional mobility kit includes pneumatic tires for ease of transport over rough terrain,
Easy acces to the samplesISCO Avalanche transportable and refrigerated water samplerISCO Avalanche multi-bottle water sampler mounted with transport trolley

Isco Avalanche transportable sampler

Avalanche® Multi-bottle, Multi-function Sampler

  • Easy transport, quick setup
  • Standard and extended programming
  • Standard 512kB memory gives you great flexibility for logging environmental data
  • NEMA 4X, 6 (IP67) controller enclosure
  • Accurate Sample Volumes

The Avalanche™ multi-bottle sampler combines the small size, light weight and mobility of a portable, with a refrigeration system!
Its revolutionary design gives you the best of all worlds – easy  transport, quick setup, and accurate sample preservation – without reliance on ice or utility power.

ISCO Avalanche portable water sampler with refrigeration system

Avalanche ™ Features Include :

  • Advanced Delivery System
    The peristaltic pump delivers samples at the EPA recommended velocity of  2 ft/sec., even at head heights of 26 feet. No other brand of automatic sampler achieves this level of performance!
  • Step-by-Step Programming
    You can easily enter complex programs to suit your unique needs. Available routines include:
    Pause and resume for intermittent discharge flow monitoring
    Sampler pacing by time, non-uniform time, flow or external event
    Random interval sample collection
  • Data Loggin
    Avalanche is also a powerful data logger. Sampling, flow, rainfall, and water quality data can be stored in its 512 KB memory.
  • SDI-12 Interfacing
    The Avalanche functions as a SDI-12 logger and connects to any sensor that fully implements the protocol standard.
    In addition, Isco has defined extended commands to enable “plug and play” communications and ease of programming. These commands are implemented by the sensor manufacturer. Data are identified and logged by their specific type.


Typical areas of application :

  • Stormwater run off compliance
  • Enforcement Monitoring
  • TMDL and watershed monitoring
  • Any application that requires advanced sampling with reliable on-demand cooling,communications and data logging for water quality, flow and rainfall parameters.


Avalanche® Multi-Bottle Transportable Refrigerated Sampler
Size (HxWxL)
: 30.5 x 14 x 24 inches (78 x 36 x 60 cm)
Weight : Dry, less battery – 76 lbs (35 kg)
Power Requirements : 12 VDC, 6 Amps (supplied by external battery), OR 87 to 264 VAC, 47 to 63 Hz, 2 Amps
Cooling : CFC-free refrigeration system maintains sample temperature at 3° C±1°C at ambient temperature of 0°C to 40°C.Pump
Intake purge : Adjustable air purge before and after each sample.
Tubing life indicator : Provides a message to change pump tubing.
Intake suction tubing : Length 3 to 99 ft. (1 to 30 m), Vinyl or Teflon® lined, ID 0.375 in.
Pump tubing life : Typically 1,000,000 pump counts
Typical repeatability : ±5 ml or ±5% of the average volume in a set>
Maximum lift :     28 ft. (8.5 m)
Typical line velocity @ Head height : 3.0 ft./s @ 3 ft; 2.9 ft./s @ 10 ft; 12.7 ft./s @ 15 ft. (0.91 m/s @ 0.9 m; 0.87 m/s @ 3.1 m; 0.83 m/s @ 4.6 m)
Sample presence detector : Non-wetted, non-conductive sensor detects when liquid sample reaches the pump to automatically compensate for changes in head heights.






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