BVS4300D户外固定式离散水采样器

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Services Available
Repair	Yes
校准	不
Free Support	Yes

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Detailed Description
Specifications
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Overview

BVS4300Dis a discrete, stationary water sampler designed to handle your extreme outdoor environments. Each of your samples is placed into a separate container.The sampler is housed in a corrosion-resistant steel enclosure with a locking door and bolted-down instrument panel.

BVS4300D采用可靠，持久的真空技术，通过其进气管绘制水。这种采样方法导致更快的样品吸引和更少对样品内容的扰动。管道上的磨损较少，导致维护较少。

Vacuum technology benefits over peristaltic pump samplers:

准确的样本量
Rapid transport velocities mean more-representative samples
Less disturbance of sample
管道上的最小磨损，导致维护较少
减少交叉样本污染

TheBVS4300C.is similar ro the BVS4300D, but it is a composite sampler that deposits its samples into a single container.

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
可选的玻璃门冰箱和可选加热器
Interfaces with Campbell Scientific data loggers for more measurement and control capabilities

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Detailed Description

真空泵

BVS4300Duses 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

BVS4300Dincludes 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.

采样器也可以与我们的数据记录器接口。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
样本容器	One 8 L bottle, one 20 L bottle, or 24 0.5 L bottles (standard clean) One 10 L bottle, four 4 L bottles, eight 2 L bottles, or twelve 1 L bottles (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)
没有冰箱的重量	109 kg (240 lb)

电源电压
Sampling System	115伏/ 60赫兹or 12 Vdc
Refrigeration and Heating Units	115伏/ 60赫兹

Vacuum System
Pinch Valve	Fixed – normally open
Purge Cycle	Adjustable from 5 to 99 s
Suction Cycle	变量（自动调节以加倍吹扫时间设定的输入值，或直到计量室中的液体接触电平电极。）
Sample Volume	可调，50至500 cc Adjustable, 500 to 1000 cc
Horizontal Sample Transport Velocity	2.2 m/s (7.1 ft/s) at 7.6 m (25 ft) 1.9 m/s (6.2 ft/s) at 15.2 m (50 ft) 1.7米/秒（5.6英尺），22.9米（75英尺） 1.5米/秒（5英尺/秒），30.5米（100英尺） 1.2米/秒（4英尺）53.3米（175英尺） 1.1 m/s (3.7 ft/s) at 61 m (200 ft) 0.8米/秒（2.6英尺），76.2米（250英尺）
水平最大传输距离	76.2米（250英尺）
计量室覆盖	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
样品启动	Disabled, time/day, pulse count, 4 to 20 mA (0 to 100 pulses/min.), external contact
程序类型	Composite, multi-composite, consecutive, daily cycle, timed step
Clock	Real-time clock and operating system
直接功能键	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)
开关	Run/off (SPST toggle), on/off (5 A lighted breaker); heater on/off; refrigerator on/off
Available Displays	实时时钟，处理定时，过程控制，脉冲计数，事件响应，多级描述，闪烁提示，诊断