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PVS4150C Portable Composite Water Sampler
Services Available
Repair Yes
Calibration Yes
Free Support Yes

Overview

The PVS4150C is a portable, battery-operated water sampler designed for easy transport. It deposits its water samples into one nine liter container. The PVS4150C includes a programmable controller with 16-key intuitive touch pad. The controller can accept a pulse input (e.g., rain gage), a 4- to 20-mA signal (e.g., flow meter), or initiate a sample on a timed basis. The sampler can also be interfaced with our data loggers to measure a variety of sensors, as well as control the sampler based on time, event, or measured conditions.

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Benefits and Features

  • Very easy to transport with suitcase shape, built-in wheels, and telescoping handle
  • Vacuum technology benefits over peristaltic pump samplers:
    • Accurate sample volumes
    • Rapid transport velocities mean more-representative samples
    • Less disturbance of sample
    • Minimal wear on the tubing, resulting in less-frequent maintenance
    • Reduced cross-sample contamination
  • Interfaces with Campbell Scientific data loggers for more measurement and control capabilities
  • Quick connectors facilitate intake hose removal

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Detailed Description

The PVS4150C has a watertight enclosure constructed of strong, lightweight, HPX®resin. Designed for easy transport, the enclosure includes four press and pull latches, three soft-grip handles, in-line wheels, telescoping handle, and flush hinges. It also has two hasps that can be padlocked, and quick connectors that facilitate intake hose removal. The enclosure has cavity space for two Zero-Pak gel ice packs (pn 12396) to control the sample temperature.

The PVS4150C uses an external vacuum pump to draw water through intake tubing, instead of the traditional peristaltic pump that induce flow by squeezing flexible tubing. Advantages of the vacuum pump method include faster sampling rates, longer sampling distances, and less maintenance. Because the vacuum method disturbs the water samples less, they better represent the original water solution, especially if the solution has high concentrations of suspended solids.

The pump in the PVS4150C is smaller than our larger models. Its lightweight pump is able to take samples at over 5 ft/sec for horizontal draws of up to 25 ft. An optional pressure/vacuum gage allows customers to know that the pump is functioning properly. (See the Ordering information.)

Specifications

Enclosure HPX high-performance resin; press and pull latches and soft-grip handles
Integral Battery 12 Vdc, 7 Ahr (with external charger and cable)
Cooling System Cavity space for two Zero-Pak (pn 12396)
Dimensions 62.5 x 50 x 36.6 cm (24.6 x 19.7 x 14.4 in.)
Sampler Weight 16.1 kg (35.5 lb) without battery
Battery Weight 1.8 kg (4 lb)

Vacuum System
Pinch Valve Fixed – normally open
Purge Cycle Adjustable from 5 to 99 s
Suction Cycle Variable (Adjusts automatically to double the input value of the purge time setting or until liquid contacts level electrode in metering chamber.)
Sample Volume Adjustable, 50 to 250 cc
Horizontal Sample Transport Velocity
  • 1.2 m/s (4 ft/s) at 30.5 m (100 ft)
  • > 0.8 m/s (2.5 ft/s) at 67 m (220 ft)
Horizontal Sample Transport Maximum Distance 67 m (220 ft)
Metering Chamber Cover 尼龙
Volume Control Tube 316 stainless steel
Metering Chamber Level Electrode 316 stainless steel
Sample Container HDPE, 9 L (2.3 US gallon)
Discharge Hose Material Latex

Controller
Display 2 x 16 character backlit LCD
Touchpad 6 key with multi-level menu
Start Delay Disabled; Time/Day; Pulse Count; 4-20 mA (0 to 100 pulses/min.); External Contact; Level Control
Sample Initiation Disabled; Time/Day; Pulse Count; 4-20 mA (0 to 100 pulses/min.); External Contact; Level Control
Program Type Composite; Multi-Composite; Consecutive; Daily Cycle; Timed Step
Clock Real-time clock and operating system
Direct Function Keys Manual sample; Manual purge; Manual bottle advance; Restart
Switches Controller “on/off” (SPST toggle)
可说plays Real-time clock; process timing; process totals; pulse counting; event response; multilevel descriptions; flashing prompts; diagnostics
Automatic Displays Container Full; Fault; Power Interrupt (program resumed); Alternating Time Stamp; Cycle(s) abandoned

Compatibility

Controller

The PVS4150C includes a programmable controller with 16-key intuitive touch pad. The controller can accept a pulse input (e.g., rain gage), a 4- to 20-mA signal (e.g. flow meter), or initiate a sample on a timed basis. The sampler can also be interfaced with our data loggers. Our data loggers can measure nearly any turbidity, water level, or hydrometeorological sensor, as well as control the sampler based on time, event, or measured conditions.

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