VAF instruments Viscosense 3 - 3.2 SENSOR HOUSING; 3.3 INTERFACE BOX; 4. SAFETY INSTRUCTIONS; 4.1 SAFETY PRECAUTIONS

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3.3 INTERFACE BOX
Interface box type nr. 0279-0112
Supply voltage 100-230 VAC, 50/60 Hz
(Fluctuations should not exceed ±10% of the nominal value)
Power consumption 6 Watt
Internal battery Lithium coin type 3V rechargeable, 5 mAh, 6,8 mm
(Do not exchange without prior consulting VAF Instruments)
Output
Viscosity Isolated active output 4…20 mA, current loop, max. load 400Ω
Range typ. 0 - 25/50 mPa.s (depending on selected range)
Temperature Isolated active output 4…20 mA, current loop, max. load 400Ω
Range typ. 0 - 200° C
Response time Depending on application
Resolution 0,1 mPa.s and 0,1 g/l
Ambient temperature
-20 .. + 55 C
Humidity range 0-95% RH
Protection class IP 66
Mounting Wall mounting
Cable connections
Power supply M20 x 1,5, Ø9-13 mm
Output signals M20 x 1,5, Ø9-13 mm
Sensor M16 x 1,5, Ø5-9 mm, integrated with sensor cable
Cable wire
Power supply 3 x 1.5 mm², double isolated heavy duty PVC
Output signals 3 x 2 x 0,50 mm², twisted pair, individually screened, braid shielded
Ventilation requirements No special requirements
Weight 2,0 kg
Max. altitude for use 2000 m above sea-level
4. SAFETY INSTRUCTIONS
4.1 SAFETY PRECAUTIONS
To ensure the safety of personnel and equipment:
 Always follow the safety and installation recommendations in this manual.
 Always use personal protective means when working with hot, aggressive and toxic process
liquids.
 Always use insulated tools when working on electrical installations.
 Ensure that local safety regulations are met when installing and operating the equipment.
 All personnel who operate and service the equipment should read this manual completely and
make themselves acquainted with the equipment before installing or operating the equipment.
 The ViscoSense
®
3 sensor body will heat up to the process temperature; do not touch the body
housing while process is running!