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Water Level

Water Flow

Water Samplers

Water Quality


Remote Monitoring

Industrial Control

Portable Composite and Discrete Samplers.
Composite Samplers,Discrete Sampler FEATURES:
  • Ideal for wastewater, industrial and environmental sampling
  • CE Certified
  • Quick disconnect pickup hose conveniently stored inside the enclosure for easy transport
  • Simple to operate - no programming required
  • Heavy duty wheels and retractable handle built in
  • Rugged construction for harsh environments
  • Can take timed or flow proportional samples
  • Peristaltic pump prevents sample contamination
  • Automatic backflush clears pickup strainer and hose
  • Enclosed battery compartment and smart battery charger to improve battery life
  • Refrigerated/cooler sampler options available
  • The easiest and most reliable method for collecting water quality samples
To Order Call 1-800-876-1172
Composite/Discrete Water Samplers Options & Prices
On this page:

. Composite/Discrete Water Samplers Product Description
. Composite/Discrete Water Samplers Specifications
. Composite/Discrete Water Samplers Options & Prices

Downloads (PDF):

. Composite/Discrete Water Samplers Brochure
. Composite/Discrete Water Samplers Manual*
. Composite/Discrete Water Samplers CE Declaration

*May take several minutes to download, depending on your internet connection speed.
Additional Information:

. Global Water's Samplers
. Product Support

Composite/Discrete Water Samplers Product Description
The WS705 single-bottle composite/discrete water samplers combine all the features needed to meet a wide variety of water sampling requirements, including those for stormwater, industrial discharge, water and wastewater treatment, waste collection systems, rivers, and streams.

The WS705 composite/discrete water sampler's state of the art water sampler controller gives you complete control over your water sampling process.  With the composite/discrete water sampler's sample size control, you can take individual time-weighted composite samples or full-bottle discrete grab samples in a 2.5 gallon sample bottle.  The composite/discrete water sampler's sample interval control allows you set the time between individual composite samples or enable the external trigger mode for flow proportional sampling.  A start delay timer allows you to start multiple composite/discrete water samplers in the field at the same time, or to delay drawing a water sample after a triggering event so that your water sample better represents the water source.

Samplers Inputs and Outputs
In addition to taking samples automatically, inputs are provided for triggering the composite/discrete water samplers by PLC devices and other controllers.  These inputs include an external trigger input that accepts a switch closure or pulse input, ideal for flow proportional sampling.  Two separate water sensor inputs can be used for monitoring water level in a rain gauge and at the source using the optional stormwater kit.  A pulse output is also provided for using a data logger, such as the GL500 2-1, or PLC to record when the samples were taken.  An automatic 15 second backflush cycle clears any debris from the composite/discrete water sampler's strainer and empties the water from the hose so the next composite sample is not contaminated.

Improved Water Sampler Enclosure
The composite/discrete water sampler's rugged rainproof enclosure can be padlocked and/or chained to prevent tampering.  The composite/discrete water samplers are enclosed in a case that can be easily hidden or camouflaged to prevent vandalism.  The samplers are lightweight enough that even with a full sample bottle the composite/discrete water samplers can be suspended, from the over-molded handle on top, in a manhole for wastewater or stormwater sampling.  The compact enclosure features heavy duty polyurethane wheels and a retractable extension handle for easy transportation.  The pickup hose comes with quick disconnect fittings which allows it to be disconnected from the composite/discrete water sampler and conveniently stored inside the enclosure when being moved or when not in use.

Sampler Power
The composite/discrete water sampler's 5 AH rechargeable battery will power the sampler for several months or several sampling events.  The sealed gel-cell battery and BC100 smart charge controller are contained in a separate battery box inside the composite/discrete water sampler's main enclosure to isolate and protect electrical connections.  The included smart charger prevents overcharging and greatly extends battery life over other charging methods.  Optional AC and solar panel charging options are available, see the Composite/Discrete Water Samplers Options & Prices section for more information.

Overflow Protection
The composite/discrete water sampler's sample bottle is equipped with a float switch that automatically turns off the peristaltic sampling pump if the water bottle becomes full.

Water Sample Size
The user can adjust the composite/discrete water sampler's sample size to one of 15 composite sample sizes from 50 ml to 2 liters plus a full bottle discrete setting and the composite/discrete water sampler's sample interval to one of 15 time settings from 5 minutes to 12 hours plus an external trigger mode setting for flow proportional sampling.

Flow Proportional Sampling
An external pulse-type flow meter can control the water sample interval for true flow proportional sampling.  Global Water's Open Channel Flow Monitor has a flow-proportional output signal for triggering the WS705 composite/discrete water samplers.  If you already have a flow meter but it has a 4-20mA output, please look at the related products section of the Composite/Discrete Water Samplers Options & Prices section.

Remote Water Sampling Notification
Attach the AD200 Autodialer or CVD-2000P Cellular Autodialer to your composite/discrete water sampler to add remote sample notification.  This accessory will save you travel time by ensuring that you always know when your composite/discrete water samplers have taken a sample at your monitoring sites.

What's Included
The WS705 composite/discrete water samplers come with a 2-gallon polyethylene sample bottle for collecting composite samples, a peristaltic sampling pump, a circuit board controller, and a rechargeable gel cell battery.  Also provided is a sample pickup hose and a battery charger.  Everything you need is provided for a successful wastewater management or environmental monitoring program.
Composite/Discrete Water Samplers Specifications
Operating Temperature: 32░ to +158░F (0░ to +70░C)
     Enclosure: Expanded UV protected PVC
     Bottle: 2.5 gallon Polyethylene
     Pickup Hose: 15 ft (4.6 m) reinforced PVC 1/4 inch ID polyethylene flexible tubing section with 20-Mesh intake strainer and quick-disconnect fittings
     Pump Tubing: Norprene 1/4" ID, 7/16" OD
Sample Pump:
     Flow Rate: 1000 ml per minute at a 4 foot head
     Type: Peristaltic
     Maximum Lift: ~20 ft (6 m)
Battery: Rechargeable 5 AH Gel Cell
Battery Life: ~1 hour, continuous pumping under load
     Standby: 3 months while still retaining enough power run the pump to capacity
Start Delay: 16 time settings from 0 to 12 hours
Composite Interval: 15 time settings from 5 min. to 12 hours plus an External Trigger mode setting
Sample Size: 15 composite sample sizes from 50ml to 2 liters plus a Full Bottle discrete setting (Approximate sizes at 4 foot head)
External Trigger Input: 250 mS minimum pulse width
     Switch closure or 4-30VDC
Pulse Output: 5VDC one-second pulse
     1000 ohm output impedance
Bottle Switch Input: Switch closure Input
     Floating switch in bottle
Rain and Water Sensors: Optional moisture sensors or switch closure inputs
Internal Fuse: 10A Slow-Blow
Charger: 18VDC Regulated Switching Supply, 330mA 6 Watt, 2.1mm Connector
Size of unit: 22x18x10 inch (56x45.7x25.4 cm) (HxWxD)
Weight: 26 lb (11.7 kg) (Shipping Weight 28 lb (12.7 kg))
Certificates: CE Compliance
Composite/Discrete Water Samplers Options & Prices
Prices listed are for United States and Canada only.  Call or e-mail us for pricing in other countries.
Terms and Conditions

WS705 Improved Composite/Discrete Water Sampler (PN# CU1000)
Includes the following parts: a rugged, rainproof, lockable carrying enclosure, two gallon polyethylene sample bottle for composite sample, one peristaltic sampling pump, a control panel enclosed logic timer/controller, one 15 ft reinforced PVC sample pickup hose with removable debris strainer, a 12 V 5 AH rechargeable gel cell battery, and BC100 Smart Charger.
Pricing - Buy Now
WSSWK Stormwater Kit (PN# CTU000)
Includes CA0400 Rain Sensor, CA0500 Flow Sensor and RG333 Auto-drain Rain Gauge.
Pricing - Buy Now Stormwater Samplers Kit
Quick Release Pump Head (PN# 01-342) Pricing Quick Release Composite Sampler
SP102 Solar Panel (5 watts, 300mA minimum) (PN# FH0000)
Supplemental Power for remote Composite/Discrete Water Sampler sites.
Pricing Stormwater/Wastewater Water Sampler Solar Panel
SP140 Solar Panel (40 watts, 15 V minimum) (PN# 01-940)
Supplemental Power for remote Composite/Discrete Water Sampler sites.
AD200-1 Voice Alarm Autodialers (PN# FA0100)
Voice alarm autodialers includes one inputs and four phone/pager numbers.
CVD-2000P Cellular Autodialer (PN# FA0350)
Includes the AD200-4 autodialer, cellular phone, and AC adapter.
12V 5AH Rechargable Battery (PN# 329417)
Battery Charger (120VAC to 12VDC Universal) (PN# 329585)
╝" Pickup Hose (PN# 00-546)
Quick-Disconnect Fitting Plug & Cap (PN# CA0850)
Tubing Quick-Disconnect Fitting (PN# CA0860)
20-Mesh Pickup Strainer Assembly (PN# CA0600)
Replacement 20-Mesh Pickup Strainer Head (PN# 01-881)
Optional 6-Mesh Pickup Strainer Head (PN# 01-945)
Peristaltic Pump Tubing (PN# 00-744)
Rain Sensor (PN# CA0400)
Flow Sensor (PN# CA0500)
Float Switch for Plastic Bottle (PN# CA0200)
Float Switch for Glass Bottle (PN# CA0250)
2 Gallon Plastic Bottle (PN# 00-419)
1 Gallon Glass Bottle (PN# 00-835)
RG333 Auto-Drain Rain Gauge (PN# CH0000)
WS700 Composite/Discrete Water Sampler
Single pump composite or discrete water sampler. (PN# CU0000)
WS750 Stormwater/Wastewater Sampler
Dual pump stormwater or wastewater sampler. (PN# CT0000)
WS755 Improved Stormwater/Wastewater Sampler (PN# CT1000)
Includes the following parts: a rugged, rainproof, lockable carrying enclosure, two 1 gallon polyethylene sample bottles, two peristaltic sampling pumps, a control panel enclosed logic timer/controller, two 15' reinforced PVC sample pickup hoses with removable debris strainers, a 5 AH rechargeable gel cell battery, and BC100 Smart Charger.
WS700-10G 10 Gallon Composite Sampler (CC0800) Pricing
WS700R Refrigerated Composite Sampler (PN# CD0500) Pricing
WS700-PCO Portable Cooler Composite Sampler (PN# CM0500)
Mobile sampler with attached cooling unit.
Pricing Portable Refrigerated Composite Sampler
WS700-IBO Ice Bag Composite Sampler (PN# CL0500)
Portable composite sampler with internal ice bag.  One gallon sample bottle included.
Pricing Portable Refrigerated Composite Sampler
RG750/RG755 4-20mA to Pulse Converter Module (PN# ELC000/ELD000)
This module is for use with flow monitors that produce a 4-20mA output.  There are two versions available, one that pulses every 15 minutes at 20mA (RG750) and one that pulses every 30 minutes at 20mA (RG755).  Please specify the unit conversion that best suits your application at the time of order.
OxiTop« BOD Measurement Instrumentation
BOD measuring instrument for self-check with 6 measuring units, universal power supply, 50/60 Hz power plug, and accessories.
Long Handled Dipper Pricing
Swing Sampler w/Pole & Bottle (PN# CXA000) Pricing
Sludge Judge, 15 FT (PN# CY0000) Pricing
GL500-7-2 Multichannel Data Logger
Features 7 analog channels and 2 pulse channels, USB and serial communication port, and includes software and cables.  Requires an external 12 VDC power source. (PN# FQ0000 USB)
GL500-2-1 Datalogger
Specify Serial or USB version when ordering.  Features 2 analog channels and 1 pulse channel.  Includes two internal 9V batteries, Windows-based Global Water Datalogger Software, and PDA software for the CE operating system. (PN# FR0000 USB)
WQ900 Water Pollution Testing Kit (PN# DJ0000) Pricing
FSS Flow Sampling System
A unique combination of instruments that makes monitoring, sampling, and recording stormwater or industrial discharge water flows easy.
WQS Water Quality Sampling System
A unique combination of instruments that allows for monitoring, sampling, and recording of water flows that exceed a water quality parameter such as turbidity, pH, conductivity, ect.
Pricing Water Quality Composite Sampler
SIT65 Satellite Internet Telemetry
Replace the datalogger on your composite sampler with a telemetry system that pages you or alerts you via text messaging that your sampler took a sample. (PN# FM1000)
Pricing Satellite water level station
SIT70 Premium Satellite Internet Telemetry Pricing
SP100 Water Sampler (PN# CF0000) Pricing
SP200 Peristaltic Sampling Pump (PN# CJ0000) Pricing
SP250 Quick Release Water Sampler
Includes ╝ inch tubing, 15 ft long pick up tube and strainer, and 10 ft battery cable. (PN# CJ0500)
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