Dencytee Arc RS485 sensors enable real-time, in-situ measurement of total cell density using transmittance and reflectance of near-infrared light in low and high cell density applications. Reduce off-line sampling and increase the reliable optical density measurement range.
Product Specifications
| Process Connection |
Process Connection
PG13,5
|
|---|---|
| Sensor Family |
Sensor Family
Dencytee Arc
|
| Wetted Parts |
Wetted Parts
Stainless Steel 1.4435
Sapphire glass EPDM (Ethylene propylene elastomer) See compliance details in Material Specification document |
| Electrical Connector |
Electrical Connector
VP8
|
| Parameter |
Parameter
Total Cell Density
|
| Sensor Output |
Sensor Output
Arc: Modbus
|
| Wavelength |
Wavelength
860 nm
|
| Measuring Range |
Measuring Range
e.g. 0-200g/l cell dry weight yeast
0-4 AU 0-30'000 NTU |
| Accuracy at 25 °C |
Accuracy at 25 °C
Resolution: 0.05 g/l (0-10 g/l); 0.5 % (> 10 g/l) cell dry weight yeast
Reproducibility: ± 1 % Linearity: < ± 1% of respective measuring range (specific to application with off-line correlation) |
| Temperature Sensor |
Temperature Sensor
NTC 22 kOhm
|
| Configurable Values |
Configurable Values
TCD: PCV, AU, arb. Unit, NTU, g/l, CFU, e6 cells/ml, OD
Temperature: K, °C, °F |
| Surface Quality of Steel |
Surface Quality of Steel
Ra < 0.4 µm (N5)
|
| Digital Interface |
Digital Interface
RS485 Modbus (max. 32 addresses)
|
| Baud Rate |
Baud Rate
4800, 9600, 19200, 38400, 57600, 115200 Bd
|
| Operating Voltage |
Operating Voltage
10 to 27 VDC
|
| Optical Path Length |
Optical Path Length
5 mm
|
| Serial Number |
Serial Number
Yes
|
| Certificate |
Certificate
Yes, in water and at 10'000 NTU Standard
|
| ATEX Approval |
ATEX Approval
No
|
| IECEx Approval |
IECEx Approval
No
|
| Diameter |
Diameter
12 mm
|
| Autoclavable |
Autoclavable
Yes (140°C, 30-minute sterilization duration)
|
| Steam Sterilizable |
Steam Sterilizable
Yes (140°C, 30-minute sterilization duration)
|
| CIP |
CIP
Yes (3% NaOH, 90°C, 30-minute cleaning duration)
|
| Storage Conditions |
Storage Conditions
-20 °C to 45 °C
|
| Operating Temperature Range |
Operating Temperature Range
0 to 140 °C; the sensor provides no TCD reading above 80 °C.
|
| Pressure Range bar g |
Pressure Range bar g
0 to 12 bar
|
| Protection Rating |
Protection Rating
IP68
|
| a-length |
a-length
120 mm
|
Spec. Version A