1.General Introduction
Yokogawa SC450G is a four wire conductivity analyzer converter to measure specific conductivity with contacting electrodes, accepts sensors with cell constants ranging from 0.005 till 50/cm; 2-electrode sensors as well as 4-electrode sensors; 5 different temperature compensating elements for accurate temperature compensation. It owns Unique touch screen operation with menu structure in 5 languages, enhanced diagnostics, process trending graphics and on-screen logbook for data storage, Two mA outputs and four SPDT relay contacts with display indicators and Hart communications optional.
2.General Specifications
Items | Description |
Input specification | Two or four electrode measurement with square wave excitation, using max. 60 m cable and cell constants from 0.005 to 50.0 cm-1 |
Detection method | Frequency, read-pulse position and reference voltage are dynamically optimized. |
Input ranges | Conductivity: 0.000μS/cm to 2000mS/cm, Minimum: 1μS/cm (under range 0.000μSx C); Maximum: 200mS/cm (over range 2000mS x C). |
Conductivity/Resistivity Accuracy) | ≤0.5 % of reading |
Temperature Accuracy | ≤0.3°C (≤ 0.4°C for PT100) |
Step Response | ≤4 sec for 90 % (for a 2 decade step) |
Transmission Signals | Two isolated outputs of 4 to 20mA DC with common negative. Maximum load 600 Ω. Bi-directional HART digital communication, superimposed on mA1 (4 to 20mA) signal. Burn up (21.0mA) or Burn down (3.6mA) to signal failure accorded with NAMUR NE43. |
Temperature compensation | Automatic or manual, for temperature ranges. |
Compensation algorithm | According IEC 60746-3 NaCl tables (default). |
Display | Graphical Quarter VGA (320 x 240 pixels) LCD with LED backlight and touch screen. |
Contact Outputs | Four SPDT relay contacts with display indicators. |
Contact Input | Remote range switching to 10 times the programmed range |
Power Supply | 85 to 265 V AC ±10 %, 47 to 63 Hz, maximum consumption 10 VA, 9.16 to 30 V DC ±15 %, maximum consumption 10 W |
3.Model Selection
Main Code | Suffix Code | Description | ||
SC450G | Conductivity/Resistivity Converter | |||
Power | -A | AC version (100 to 240 VAC) | ||
-U | DC version (12 to 24 VDC) | |||
Type | -A | General purpose version | ||
-U | FM version | |||
Optional codes | /UM | Universal mounting kit (panel,pipe, wall) | ||
/U | Pipe and wall mounting hardware | |||
/PM | Panel mounting hardware | |||
/H5 | Awning hood (stainless steel) | |||
/AFTG | G1/2 | |||
/ANSI | 1/2NPT | |||
/AM20 | M20 | |||
/SCT | Stainless steel tag plate |
4.External Dimensions
Address: P.O. Box 17033, Jebel Ali Free Zone - South 2 Dubai, United Arab Emirates
Tel: +971558915937
Fax: +971558915956
E-mail:
info@rostockgroup.com
technical@rostockgroup.com
commercial@rostockgroup.com
Get the latest special offers and discount information sent to your email address.
Copyright © Rostock Group Co.,Limited All Rights Reserved. Sitemap