Table 55 Pr-23-Sd And Isolation Valve Sdi-23 Specifications; Table 56 Safe-Drive Retractor Sdr-23 Specifications - Vaisala PR-23 Series User Manual

Feature
Digital measurement
Light source
Temperature sensor
Temperature compensation
Instrument verification
Ambient temperature
Table 55 PR-23-SD and isolation valve SDI-23 specifications
Feature
Isolation valve connection
Process pressure
Process temperature
Process wetted parts, standard
Sensor protection class
Protection class
Isolation valve, process wetted parts
Isolation valve, process connection
Prism wash
Sensor and valve weight
Table 56 Safe‑Drive retractor SDR-23 specifications
Feature
Safe‑Drive retractor SDR-23
Retractor weight
Specification
3648 pixel CCD element
LED 589 nm wavelength, sodium light
Built‑in Pt‑1000
Automatic, digital compensation
With certified refractive index liquids and Vaisala
documented procedure
-20 °C ... 45 °C (-4 °F ... 113 °F)
Specification
Safe‑Drive flange DN 40PN25
Static pressure up to 20 bar (300 psi), operational
pressure up to 10 bar (150 psi)
-20 ... 170 °C (-4 ... 340 °F)
SAF 2205, Duplex steel SS 2377, EN 1.4462, UNS
S31803, spinel or sapphire prism, prism gaskets MTF
(Modified Teflonâ)
IP67, Nema 4X
Protection class 3
SAF 2205, Duplex steel SS 2377, EN 1.4462, UNS
S31803, AISI 316 L, flange gasket Vitonâ, lip seals
Bronze Teflonâ and ELGILOY, AISI 301 spring
By welding to pipe sizes of 2 ... 24 in, for both vertical
and horizontal pipelines
Retractable steam wash nozzle with check valves,
high-pressure water wash nozzle.
10.5 kg (23 lbs)
Specification
7.7 kg (17 lbs)
Chapter 11 – Safe-Drive
171