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| Services Available | |
|---|---|
| Repair | Yes |
| Calibration | Yes |
| Free Support | Yes |
概览
PVS4150C 是一款便携的由电池供电的综合水采样器，抽取水样到一个9升的容器中。PVS4150C 包含一个可编程的控制器，带有16-键的直观触摸板。控制器可以接受脉冲输入（例如：雨量筒）、4到20 mA信号（例如：流量计）或基于时间来初始化采样。控制器还可以接入我们的数据采集器，测量多种传感器，同样可以基于时间、事件或测量的条件来控制采样器。
优势与特点
- 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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技术说明
PVS4150C 的防水机箱由结实的重量轻的HPX®树脂构成。易于运输。它含有4个按拉弹簧锁、3个软握手柄、在线轮子、伸缩手柄和平铰链。它还含有两个搭扣，可用挂锁上锁；它的快速接头可支持采样软管的移除。机箱的腔室空间用于两个Zero-Pak gel ice packs (#12396)，控制样品温度。
PVS4150C 使用外部真空泵，抽取水样流过采样管，而不是使用蠕动泵将水样轧入软管。真空泵方法的优点包括更快的采样速率和更长的采样距离，以及更少的维护。因为真空方法对水样扰动更小，因此采集的水样更能代表原始的水体溶液，特别是高浓度悬浮固体的溶液。
PVS4150C 所使用的真空泵要小一些，重量也更轻，能够按5 英尺/秒的速率水平抽取多达25英尺外的水样。可选的压力/真空计允许用户知道泵是否正常工作（参阅订货信息）。
产品规格
| 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 |
|
| Horizontal Sample Transport Maximum Distance | 67 m (220 ft) |
| Metering Chamber Cover | Nylon |
| 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) |
| Available Displays | 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 |
兼容性
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.
