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BVS4300C Outdoor Stationary Composite Water Sampler
Services Available
Repair Yes
Calibration No
Free Support Yes

Overview

The BVS4300C is a composite, stationary water sampler designed to handle your extreme outdoor environments. All of your samples are deposited into a single container. The sampler is housed in a corrosion-resistant steel enclosure with a locking door and bolted-down instrument panel.

The BVS4300C uses reliable, long-lasting, vacuum technology to draw water through its intake tubing. This sampling method results in faster sample draws and less disturbance of the sample contents. There is also less wear on the tubing, resulting in less frequent maintenance. 

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

The BVS4300D is similar to the BVS4300C, but it is a discrete sampler that deposits its samples into multiple containers.

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Benefits and Features

  • Rapid transport velocities of samples, meaning more accurate samples—even of solids
  • All information easily controlled and viewable on a 2 by 16 character backlit LCD
  • Optional glass-door fridge and optional heater
  • Interfaces with Campbell Scientific data loggers for more measurement and control capabilities

Images

Detailed Description

Vacuum Pump

The BVS4300C uses an external vacuum pump to draw water through intake tubing, instead of the traditional peristaltic pump that induces flow by squeezing flexible tubing. 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. To prevent cross contamination, the samplers use air pressure (up to 28 psi) to purge the tubing of excess water.

Controller/Interfacing with a Data Logger

The BVS4300C includes a programmable controller with 16-key intuitive touchpad. The controller can accept a pulse input (such as from a rain gage) or a 4 to 20 mA signal (such as from a flow meter), or the controller can 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 hydrometeorologic sensor, as well as control the sampler based on time, event, or measured conditions.

Specifications

Specialized Applications Outdoor, refrigerated
5/8 Inch ID Tubing Compatible Yes
Sample Container
  • One 9 L bottle or One 20 L bottle (standard clean)
  • One 10 L bottle (super clean)
Cabinet NEMA3R
Dimensions 1.6 x 0.66 x 0.66 m (63 x 26 x 26 in.)
Weight with Refrigerator 141 kg (310 lb)
Weight without Refrigerator 109 kg (240 lb)

Supply Voltage
Sampling System 115 Vac/60 Hz or 12 Vdc
Refrigeration and Heating Units 115 Vac/60 Hz

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.)
Horizontal Sample Transport Velocity
  • 2.2 m/s (7.1 ft/s) at 7.6 m (25 ft) for 3/8 in. system
  • 1.9 m/s (6.2 ft/s) at 15.2 m (50 ft) for 3/8 in. system
  • 1.7 m/s (5.6 ft/s) at 22.9 m (75 ft) for 3/8 in. system
  • 1.5 m/s (5 ft/s) at 30.5 m (100 ft) for 3/8 in. system
  • 1.2 m/s (4 ft/s) at 53.3 m (175 ft) for 3/8 in. system
  • 1.1 m/s (3.7 ft/s) at 61 m (200 ft) for 3/8 in. system
  • 0.8 m/s (2.6 ft/s) at 76.2 m (250 ft) for 3/8 in. system
  • 1.5 m/s (5 ft/s) at 7.6 m (25 ft) for 5/8 in. system
  • 1.4 m/s (4.7 ft/s) at 15.2 m (50 ft) for 5/8 in. system
  • 1.3 m/s (4.3 ft/s) at 22.9 m (75 ft) for 5/8 in. system
  • 1.28 m/s (4.2 ft/s) at 30.5 m (100 ft) for 5/8 in. system
  • 1.1 m/s (3.7 ft/s) at 53.3 m (175 ft) for 5/8 in. system
  • 1 m/s (3.3 ft/s) at 61 m (200 ft) for 5/8 in. system
  • 0.7 m/s (2.4 ft/s) at 76.2 m (250 ft) for 5/8 in. system
Horizontal Maximum Transport Distance 76.2 m (250 ft)
Metering Chamber Cover Nylon
Volume Control Tube 316 stainless steel
Metering Chamber Level Electrode 316 stainless steel
Intake Hose Material Nylon-reinforced PVC
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 to 20 mA (0 to 100 pulses/min.), external contact, level control
Sample Initiation Disabled, time/day, pulse count, 4 to 20 mA (0 to 100 pulses/min.), external contact
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
Alarm Outputs (Independent) Cycle abandoned (pulse output), sample fault, container full
Status Outputs Sample taken (pulse output)
Switches Run/off (SPST toggle), on/off (5 A lighted breaker); heater on/off; refrigerator on/off
Available Displays Real-time clock, process timing, process controls, pulse counting, event response, multi-level description, flashing prompts, diagnostics

Compatibility

The controller that comes with the BVS4300C can accept a pulse input (such as from a rain gage) or a 4 to 20 mA signal (such as from a flow meter), or it can 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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