Global Water - WS705 Composite, Discrete Water Sampler

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.

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  • 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

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.

Specification
Operating Temperature: 32° to +158°F (0° to +70°C)
Materials: 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