Indicating Transmitter Model Codes; Specifications; Indicating Transmitter Specifications; Table 58 Indicating Transmitter Dtr And Str Model Codes - Vaisala PR-23 Series User Manual

13.2 Indicating transmitter model codes
Table 58 Indicating transmitter DTR and STR model codes
Model Description
DTR Indicating transmitter (connectivity for two sensors)
STR Indicating transmitter (connectivity for one ‑IA/‑IF/‑CI sensor)
Cable connection
-U ½ in NPT type conduit hubs for CSA certified transmitter
-M M20x1.5 metric cable glands for general purpose
Electrical classification
General purpose
‑GP
CSA certified for use in general purpose (ordinary) locations
‑CS
Applicable to CSA and ANSI/UL standards
Power supply
-AC Power supply 100‑240 V AC 50/60 Hz, fuse with voltage 250 V AC, max. size 10 A and
speed slow
-DC
Power supply 24 V DC
1) Available only with cable connection code -U, ½ NPT type conduit hubs and -AC power supply.
2) With -GP option only.
13.3 Specifications
13.3.1 Indicating transmitter specifications
Table 59 Indicating transmitter specifications
Feature
Display
Keypad
Current output
Power
Alarms/Wash relays
Input switches
Chapter 13 – Indicating transmitter DTR and STR specifications
1)
2)
Specification
320 x 240 pixel graphical LCD with LED backlight
18 membrane keys
Two independent current sources, 4 ... 20 mA, max.
load 1000 Ω, galvanic isolation 1500 VDC or AC
(peak), hold function during prism wash
AC input 100-240 VAC, ±10%, 50/60 Hz / 30 VA
optional 24 VDC, Overvoltage Category II
Two built-in signal relays, max. 250 V/3 A
Four switch inputs
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