| Refractive Index range, standard |
Full range, nD1.3200...1.5300 (corresponds to 0...100% b.w.), sapphire prism |
| Refractive Index range, option |
nD1.2600...1.4700, sapphire prism |
| Accuracy |
nD± 0.0002, typically corresponds to ± 0.1% b.w. Repeatability nD± 0.0001, typically corresponds to ±0.05% b.w.) |
| Speed of response |
1s undamped, damping time selectable up to 5 min |
| Patented CORE-Optics |
No mechanical adjustments and digital measurement with 3648 pixel CCD element, sodium D-line light emitting diode (LED), built-in Pt-1000 temperature sensor |
| Temperature compensation |
Automatic, digital compensation |
| Instrument verification |
With standard nD liquids and the documented procedure (ISO 9000) |
| Ambient temperature |
Sensor: -20 °C...45 °C (-4 °F...113 °F); Indicating transmitter: 0 °C...45 °C (32 °F...122 °F) |
| Process temperature |
-20 °C...130 °C (-4 °F... 266 °F) |
| Sensor protection class |
IP67, Nema 4X |
| Approvals for hazardous locations |
Non-Sparking/Non-Incendive version: ATEX certified for Zone 2 area, Ex II 3 G, EEx nA IIC T4 Gc; FM certified for Class I, Div. 2, Groups A, B, C & D hazardous locations, T6; CSA certified for Class I, Div. 2, Groups A, B, C & D, T4; IECEx certified, Ex nA IIC T4 Gc Intrinsically safe version: ATEX certified for Zone 0 area, Ex II 1 G, EEx ia IIC T4 Ga; FM certified for Class I, Div. 1, Groups A, B, C & D, T4 (for U.S.A. and Canada); IECEx certified, Ex ia IIC T4 Ga |
| Approval for electrical safety |
cCSAus certified, Equipment Class I, Poll. Deg. 2 / Transmitter, Poll. Deg. 3 / Sensor, Install. Cat. II |
| SENSOR PR-23-W |
Process connection with ETFE (Ethylene tetrafluoroethylene) lined Saunders (diaphragm) valve body 2", 3" or 4"; valve body material Graphite cast iron |
| Saunders body process connection |
DIN-flange DN50 PN 16/DIN-flange DN80 PN 16/DIN-flange DN100 PN 16/ANSI-flange 4" 150 lbs/ANSI-flange 3" 150 lbs/ANSI-flange 2" 150 lbs / JIS-flange 10k 50A/ JIS-flange 10k 80A/ JIS-flange 10k 100A |
| Sensor wetted parts |
ETFE (Ethylene tetrafluoroethylene) lining, prism gasket Teflon® PTFE, prism sapphire, O-ring Kalrez, adaptor sapphire |
| Sensor weight |
with 2" Saunders body 15 kg (33 lbs)/3" 26 kg (57 lbs)/4" 33 kg (73 lbs) |
| Process pressure |
max. 10 bar (145 psi) |
| INDICATING TRANSMITTER DTR |
| Display |
320x240 pixel graphical LCD with LED backlight, keypad with 8 membrane keys |
| Current output |
Two independent current outputs, 4-20 mA, max. load 1000 Ohm, galvanic isolation 1500 VDC or AC (peak), hold function during prism wash |
| Fieldbus and industrial Ethernet connectivity |
Through Fieldbus converter to Modbus/TCP, Modbus RTU and Ethernet/ IP networks |
| Power |
AC input 100-240 VAC/50-60 Hz, optional 24 VDC, 30 VA |
| Alarms/Wash relays |
Two built-in signal relays, max. 250 V/3 A |
| Sensor connectivity |
One or two sensors can be connected to one DTR. Sensors independent with own parameter sets and usable in different applications. Two current outputs configurable independently to indicate process concentration or temperature of either sensor. |
| Indicating transmitter weight |
4.5 kg (10 lbs) |
| Transmitter protection class |
Polycarbonate enclosure IP66, Type 4X (indoor use); AISI 304 Stainless steel enclosure IP66 (Indoor use) |
| INTERCONNECTING CABLE |
IEC 61158-2 compliant two-wire cable |
| Interconnecting cable length |
Standard 10 m (33 ft), max. 200 m (660 ft). Cable fittings to Indicating transmitter: European cable glands M20x1.5 or US conduit hubs |
