Préleveur d'eau multi flacon ISCO Avalanche avec chariot de transport

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.

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.
  • 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.

 

Controller
Weight : 13 lbs. (5.9 kg)
Size : 10 x 12.5 x 10 inches (26 x 32.x 25 cm)
Operational temperature : 32° to 120°F (0° to 49°C)
Enclosure rating : NEMA 4X, 6 (IP67)
Program memory : Non-volatile ROM
Flow meter signal input : 5 to 15 volt DC pulse or 25 millisecond isolated contact closure
External trigger : Initiates sample collection and cooling from contact closure signal
Number of programmable composite samples : 1 to 999 samples
Clock Accuracy : 1 minute per month, typical, for real time clock
Software
Sample frequency selection : 1 minute to 99 hours 59 minutes, in 1 minute increments Non-uniform times in minutes or clock times 1 to 9,999 flow pulses
Sampling modes: Uniform time, non-uniform time, flow, event. (Flow mode is controlled by a flow module or external flow meter pulses.)
Programmable sample volumes : 10 to 9,990 ml in 1 ml increments
Sample Retries : If no sample is detected, up to 3 attempts; user selectable
Rinse Cycles : Automatic rinsing of suction line up to 3 rinses for each sample collection
Program storage : Five sampling programs
Sampling stop/resume : Up to 24 real time/date sample stop/resume commands
Controller diagnostics : Tests for RAM, ROM, pump, and display

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