Fully Automatic Emptying and Rinsing of Sample Bottles

WS 316 SE Self-Emptying Sampler

The fully automatic bottle emptying and rinsing function makes the WS 316 SE ideal for surveillance and other applications where samples are not regularly retrieved. Bottles are filled in sequence, and then automatically drained and rinsed with clean water if samples have not been retrieved. They are then available for the next samples.

The WS 316 SE features the same benefits as the WS 316, and in addition offers the following functions:

  • Direct distribution for 2 to 24 bottles to ensure samples remain free of cross-contamination
  • Available with second sampling system and composite container for additional samples, such as event-proportional samples (see photo)
  • Pull-out bottle tray for easy retrieval of samples
  • Sample retrival at the touch of a button releases samples directly into transport container, without tap and therefore without cross-contamination
  • If required, sample storage chamber can be provided with lock and/or monitoring of door movements
  • Optional viewing window in door for sample storage chamber
  • Additional monitoring of bottle fill level possible
WS 316 SE Self-Emptying Sampler


WaterSam controllers feature user-friendly operation and reliability. Both controller types not only enable to the activation of programs at the same time, they can be also run simultaneously.
Custom software modifications can easily made upon request.

WS 316 SE Self-Emptying Sampler

Standard Controller

The standard WaterSam controller is suitable for a wide variety of applications. Its 4-key user interface is easy to operate, and yet it offers the possibility of running up to 9 sampling programs at the same time. In addition, the standard controller has multiple menu levels, enabling the user to set a code that restricts access to certain menus. The 4 analog inputs and 10 digital inputs enable time-, volume-, flow-, and event-proportional sampling.
A built-in RS-232 serial port permits communication with external devices. With an optional modem, even remote control is a possibility.

WS 316 SE Self-Emptying Sampler


The WaterSam MS3 controller offers user-friendly operation in addition to a range of communications possibilities and the ability to retrieve data from internal and external sources.
Despite the wide-ranging possibilities available, sampler operation is very user-friendly thanks to the 24 keys and large graphic display. Color-coded direct function keys serve to start, pause and stop selected programs. A grab sample can be taken simply by pressing the blue key.
Intelligent sensors can be connected directly to the controller, without the need for a transmitter. If desired, a variety of data can be accessed and retrieved via a USB port.

Sampling Systems

Depending on conditions and requirements, samplers are available with diverse sampling systems:

*Requires special housing or external mounting of sampling system

Sample Distribution

Direct Bottle Filling with Automatic Emptying and Rinsing
Mehrere verschiedene Revolververteilersysteme, von 4 bis zu 24 Flaschen, und ein System mit 2 PE-Flaschen sind erhältlich.
Die Flaschenentleerung zur Mitnahme ins Labor erfolgt über Knopfdruck. Die Probe fließt direkt aus der Probenflasche in den Beförderungsbehälter. Kein weiteres Verteilsystem (Querverschmutzung!) ist notwendig.
Werden die Proben nicht abgeholt, so wird jede Flasche automatisch entleert und gespült bevor sie dann wieder neu befüllt wird

Sample Bottles:

  • 1 x 25 l PE
  • 2 x 5 / 10 l PE / 10 l glass
  • 4 x 5 l PE / 10 l PE / 10 l glass
  • 8 x 1.8 l PP / glass
  • 16 x 1.8 l PP / glass
  • 24 x 1.8 l PP / glass
  • 8 x 1.8 l PP / glass + 6.4 l PE
  • 16 x 1.8 l PP / glass + 10.4 l PE
  • 16 x 1.8 l PP / glass + 26 l PE
  • 24 x 1.8 l PP / glass + 6.4 l PE
WS 316 SE Self-Emptying Sampler
WS 316 SE Self-Emptying Sampler


Housing Equipment

  • Carriage with castors
  • Controller panel door; with or without window
  • Intake hose through floor or rear wall of sampler
  • Upgrade to monitoring station
  • Interior lighting with door switch
  • Door switch for access surveillance
  • Power socket installed in housing
  • Cylinder locks for doors
  • Protection hoods for ventilation slits
  • Connection flange for hose with external air supply for refrigeration unit

Others upon request

Technical Equipment

  • Main power switch
  • Connection sockets
  • Residual-current circuit breaker
  • Various vacuum pumps
  • Peristaltic pump
  • Data logger (for saving sampling data, monitoring data from internal measuring instruments and/or external on-line sensors)
  • Easy Handling package
  • Heavy-duty pump and valve package for corrosive media / environment
  • Heavy-duty refrigeration unit for ambient temperatures up to +55°C
  • Inlet hose heating

Others upon request


  • GSM modem for remote operation, SMS and Program start via Mobile telephone, complete access to sampler software via PC / Laptop
  • Profibus-DP
  • Signal relays (general error alarm, bottle changed, sample taken, program started, program stopped, return of power after outage)

Others upon request

Sampling Components

  • Conforming of materials for the sampling line (intake hose, sampling system, distributor hose, sample bottles) e.g.: PTFE, PVDF, FPM.
  • Metering vessels with alternative volumes (e.g. 200 / 350 ml)
  • Numerous sample containers with a variety of capacities and materials
  • Positioning armature for intake hose
  • Filter basket

Others upon request

Technical Specifications

WS 316 SE

GeneralStationary sampler for indoor and outdoor applications
NormsCE, compliant with ISO 5667
DimensionsHxWxD: 1,590 x 665 x 720 mm
Width including mounting rails: 720 mm
WeightApprox. 120 – 180 kg, depending on equipment
Power Requirements230 V AC (optional: 110 V AC), 50 Hz (optional: 60 Hz), Main fuse 16 A
OutputApprox. 1010 VA max. including high-performance cooling and heating
Ambient Temperature-25 °C to +42 °C
Optional: to -40 °C and/or +55 °C

Sampling (Standard System)

Sampling SystemVAC vacuum pump system for time-, volume-, event-proportional sampling
Sample Volume12 - 200 ml (multiple-shot sampling possible)
Optional: larger volumes
Metering VesselDURAN 50 borosilicate glass; dishwasher-safe, resistant to acid, alkali, and temperature fluctuations
Pump PerformanceMax. 8 m lift height;
0.5 m/s up to 6 m lift heights;
19 l/min free flow
Optional: VacuPress for lift heights up to 30 m
Intake Hose12 mm ID PVC (optional: 16 mm ID)
Wetted PartsBorosilicate glass, PE, PVC, stainless steel 304/316Ti, silicone (optional: alternative materials as required)
Sampling SystemsSee "Sampling Systems"

Housing / Temperature Control

Housing MaterialStainless steel 304
– Stainless steel 316Ti
– Powder coating (RAL colors)
– Plastic (UV resistant)
Insulation40 mm, cold-bridge free; not foamed
Environmental ConsiderationConstruction facilitates easy separation of materials for proper recycling and disposal
PartitioningThree separate technical compartments in top dry section for electrical/electronics, refrigeration unit and other components
Placement of Sampling SystemMetering vessel in temperature-controlled sample chamber; protected from heat and frost
InstallationEasy floor mounting and firm footing with sturdy base rails
Temperature ControlPT 100 3-point thermostat
RefrigerationCompressor cooling; 230 V AC, 150 W; CFC-free refrigerant R134a; adjustable automatic defrosting (interval, time, duration, max. temperature)
Optional for corrosive environment, e.g. H2S: evaporator plate separate from sample storage chamber, clean external air drawn to cabinet via ventilation flange
HeatingElectric heating unit in stainless steel sleeve; 230 V AC, 350 W (optionally 24 V DC)
Sample StorageTemperature adjustable; pre-set to 3 °C


DistributorRevolving carousel distributor for direct sample depositing
Bottle SynchronizationAutomatic
Sample Bottles & SetsSee "Sample Distribution“