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 SAC850 

SAC850: Basic sample changer for automation of small sample series

• Single-radius sample trays for up to 24 samples.
• Parking position on sample tray.
• Dip rinsing/electrode conditioning performed on 1 or 2 dedicated positions on sample tray.
• Dynamic rinsing combined with waste disposal performed inside current sample beaker.
   


The obvious choice for your laboratory

Radiometer Analytical sample changers are capable of handling multiple combinations of titrations, direct pH, pX and conductivity measurements fast and efficiently. Connect to a TitraLab® titration workstation or a direct measurement meter with or without PC software selected from our complete laboratory product range and your laboratory will virtually run itself!


Compact and Adaptable
The SAC850 is compatible with a wide selection of removable sample trays, making it remarkably space-efficient. No special beakers are required; it accepts standard glass and disposable beakers with volumes ranging from 25 to 400 ml.
There is no need to programme the sample changer each time a new type of sample tray is used as it is instantly identified by a wireless RFID tag containing all relevant geometrical characteristics. High rotation speed and smooth turntable movements allow fast and safe navigation between samples.


Flexible and Programmable
Sample preparation sequences can be programmed from TitraMaster 85 Titration PC Software with specific macro commands to fit your requirements.
User-defined sample preparation sequences offer all the benefits of full automation. You can activate the Start/Stop stirring function or the pumps for a chosen duration, wait or send a TTL command to/from an
external device and wait for a specified temperature to be reached.


Quick and Efficient
The powerful Dynamic Spray Rinse feature and high flow-rate pumps ensure quick and thorough cleaning with no risk of cross contamination between samples, helping you achieve greater accuracy and reproducibility, irrespective of the number of samples per cycle. Efficient rinsing is obtained thanks to repeated vertical movements of the head combined with the mechanical action of the sprays.
Rinsing liquid is sprayed from all directions over the entire height of the electrodes and tips while the waste pump empties beakers and evacuates rinse waste. This dynamic rinsing performed directly over the analysed beaker reduces the total duration of the sample changer cycle multiplying the number of samples analysed per day.


Safe and Clean
Our unique bayonet concept keeps electrodes and delivery tips securely in place. This ensures reproducible results and allows you to use any combination of electrodes, conductivity cells, temperature sensors or delivery tubes for your analyses. Tubes and cables can be inserted or removed in no time and are held in position in a cable carrier for maximum convenience. Reagent addition tubes are permanently visible for inspection.

SAC850 functions

Propeller stirrer 0 - 1200 rpm

Magnetic stirring (single-radius only) 0 - 1000 rpm
Beaker detection
Embedded programmable sample preparation sequences
2 dip rinsing/conditioning + 1 parking positions, on sample tray
Unused electrode and tip storage, 4 positions
Integrated keyboard for manual sample changer control
Dynamic rinse/waste disposal pumps, 1 module (optional)
Reagent addition peristaltic pump, 1 module (optional)


SAC850 Sample Changer - Technical Specifications

Trays

Sample tray capacity
SAC850
Single-radius
Glass beakers*
Capacity Ø x H (mm)
Polypropylene beakers
Capacity Ø x H (mm)
24 samples + 1 park
50 ml low form 42 x 60
22-45 ml & 8-25 ml 44 x 70
21 samples + 1 park
100 ml low form 48 x 80
-
-
19 samples + 1 park
-
-
40-100 ml 60 x 80
19 samples + 1 park
150 ml low form 60 x 80
-
-
19 samples + 1 park
-
-
GOSSELIN 180 ml 54 x 72/102
17 samples + 1 park
250 ml tall form 60 x 120
-
-
14 samples + 1 park
250 ml low form 70 x 95
-
-
14 samples + 1 park
400 ml tall form 70 x 130
-
-

*Standard glass beakers specified in accordance with DIN 12331 & ISO 3819.


Pump characteristics

Function Pump type Flow rate Accuracy Pump model/Material
Dynamic spray rinse Membrane
600 ml/min max. ~10% Pump head: PP
Membrane: PTFE
Valve: FFPM (Kalrez®)
Empty beaker
Reagent addition Peristaltic 200-400 rpm
2.0 to 236 ml/min max.
~1% Tubing: Maprene®


General specifications

Ambient temperature
5 to 40°C
Relative humidity
20 to 80%
Altitude < 2000 m
Casing materials

PETP – PVC/PE
Fully splashproof chemical resistant
For use in a laboratory environment

Level of pollution 2
Power supply 100 - 240 Vac / 50 - 60 Hz / 76 VA
Transitory over voltage Level II
Dimensions H x W x D (cm) 70 x 58 x 68
Weight (kg)
27
Required operating area (cm)
60 x 80
Compliance - CE, R&TTE Directive (99/5/EEC), EMC Directive (2004/108/EEC), LV Directive (2006/95/EEC)
- cETLus certification, UL 61010A-1 and CAN/CSA C22 2 n°1010.1-92
- FCC part 15 rules


Inputs/outputs

Connector type
Connector description
USB-B (Slave)
PC connection
Sub-D9 RS232C Connection to titration workstation or direct measurement meter
RJ11 0-5 V TTL input/output commands
RJ11 Propeller stirrer
Cinch Temperature input (for use in sample preparation sequence only)
Jack, 3.5 mm Ultrasonic transducer for beaker detection

 

Ordering information

The SAC850,Ba Sample Changer is delivered with a full set of connecting cables and setup accessories but no sample tray. SAC850,Ba version operates with a selection of xx-position sample tray kits complete with accessories and delivery tubing to be ordered separately.

 

   

 


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