Electro-chemical-devices-ecd HYDRA Ammonium User Manual

Rev: E - 07/11 ELECTRO-CHEMICAL DEVICES Instruction Manual Hydra Ammonium Analyzer

Page 2 HYDRA NH4+-N or other coatings on the electrodes keeping maintenance to a minimum. The rugged HYDRA sensor has a 1 ¼” NPT rear facing thre

HYDRA NH4+-N Page 3 Accuracy • ± 3% of reading, dependent on Calibra0on Response Time • T90 approximately 1 minute Electrode Life • ISEs:

Page 4 HYDRA NH4+-N Outputs • (2) 4-20 mA maximum load 800 ohms @ 24 VDC • mA #1: 0.1 to 50 mg/l NH4+- N (User Configurable) • mA #2: 2 - 12

HYDRA NH4+-N Page 5 2.0 INSTALLATION 2.1 UNPACKING Carefully remove the HYDRA sensor from its shipping container. Inspect the sensor for dama

Page 6 HYDRA NH4+-N 2.3 MOUNTING 2.3.1 C-22 Analyzer Mount the C-22 in a location where there is easy access to the analyzer and sensors. Instal

HYDRA NH4+-N Page 7 the top of the Channel 2 input card. (See diagram in Section 7.3) Then connect a shielded 22 gauge twisted pair communica

Page 8 HYDRA NH4+-N Do not run the cable through the same cable gland fitting as the electrodes or the 4-20 mA signals.

HYDRA NH4+-N Page 9 3.0 OPERATION This section will provide a basic overview of the C22 Analyzer/Controller. It covers the basic Menu structu

Page 10 HYDRA NH4+-N 3.2 MENUS There are three sets of menus on the Model C-22. The Channel 1 menus (PV1) the Ammonium Ion channel (NH4+-N), the C

HYDRA NH4+-N Page 11 Display variables; which Output to display and which Time interval is used are configured in the Channel 1 Set-Up Menu.

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Page 12 HYDRA NH4+-N Graphical Display, 4-20 mA Outputs, Alarm Relays and Timers are all configured in the Setup Menu. Ion selective electrodes ha

HYDRA NH4+-N Page 13 Timer 1: periodic ←Clock ◄ CALIBRATE ► Per 0d00 :00 :00 Cleaning Timer Now 0 00 :00 :00 (Per sets the time

Page 14 HYDRA NH4+-N 3.2.7 Status Menu The Status menu displays the actual uncompensated millivolt value from the sensor, very handy information f

HYDRA NH4+-N Page 15 The Outputs, mA 1 and mA 2, are held at the “Last Value” by Timer 2 during the Air Blast Cleaning Cycle. The Outputs ret

Page 16 HYDRA NH4+-N value which forces an automatic sign change. The Off value is the hysteresis point that the PV has to correct to before the r

HYDRA NH4+-N Page 17 3.5 ION SELECTIVE FEATURES The Hydra C22 analyzer has several features unique to Ion Selective Electrode measurements, I

Page 18 HYDRA NH4+-N 4.0 START UP The HYDRA Analyzer and Sensor was assembled and tested at the factory before shipment. The sensor was then disco

HYDRA NH4+-N Page 19 Ch 3 Setup Menu Settings Settings 4mA 2.00 pH 20mA 12.00 pH Noise filter 5 4.1.2 Set Up Menu, MAS

Page 20 HYDRA NH4+-N Ch 1 Setup Menu, cont’d 1 On > 10.00 ppm 1 Off < 9.500 ppm Timer 1 : oneshot↑ Now 0 00 :00 :00 On 0

HYDRA NH4+-N Page 21 Timer 1: periodic Timer2: oneshot↑ Retriggerable N Resettable N Trig 2 timer 1 Logic gates All unused

HYDRA NH4+-N Page iii PREFACE Purchasing products from Electro-Chemical Devices, Inc. provides you with the finest liquid analytica

Page 22 HYDRA NH4+-N OR Gates A, B, C Not Used AND Gate B, C Not Used Ion Species Ch1 ion NH4-N Ch2 ion K+ General No Menu °C/°F & temp ca

HYDRA NH4+-N Page 23 4.2 CALIBRATION The HYDRA Ammonium Analyzer was calibrated at the factory using the Two Point Calibration described belo

Page 24 HYDRA NH4+-N 4.2.2 Temperature Calibration Place the HYDRA sensor in a beaker of water so that the bottom 3 inches (7.6 cm) of the body is

HYDRA NH4+-N Page 25 4.2.4 Two point Calibration The second point of a Two Point Calibration sets the slope of the sensor, the mV per decade.

Page 26 HYDRA NH4+-N 5.0 MAINTENANCE 5.1 MAINTENANCE SCHEDULE The HYDRA sensor requires little maintenance since most of the required cleaning is

HYDRA NH4+-N Page 27 6.0 TROUBLESHOOTING Problem Possible Cause Remedy NH4+-N Reading Low Dirty Coated electrode Clean sensor: Soak in 2% HCl

Page 28 HYDRA NH4+-N 7.0 ENGINEERING DOCUMENTATION 7.1 SPECIFICATIONS Sensor Three Electrode system with spray cleaner, Ammonium ISE (NH4+- N) is

HYDRA NH4+-N Page 29 110/220 VAC @ 50/60 Hz Alarm Relay Ratings (2) SPDT 230 VAC/5A or 30 VDC/5A resis0ve max. Relay (1) Spray Cleaner, Relay

Page 30 HYDRA NH4+-N Wall Mounting Dimensions, Screw Hole Pattern 7.2.3 Sun Shield Mounting

HYDRA NH4+-N Page 31 7.3 WIRING DIAGRAM 7.3.1 Sensor Color Coded Diagram 7.3.2 Instrument – Terminal Layout/Connections

Page iv HYDRA NH4+-N TABLE OF CONTENTS PREFACE ...

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HYDRA NH4+-N Page 33 8.0 ORDERING INFORMATION The HYDRA Ammonium Analyzer is a complete measurement system including the C22 analyzer/control

Page 34 HYDRA NH4+-N 3500007 Electrode Replacement Tool 3500008 Calibration Cup, (remove guard and it threads onto the front, ~250 ml)

HYDRA NH4+-N Page v 3.0 OPERATION ...

Page vi HYDRA NH4+-N 5.0 MAINTENANCE ...

HYDRA NH4+-N Page vii WARRANTY Electro-Chemical Devices, Inc. (ECD) warrants all products it manufactures to be free from defect in materials

Page viii HYDRA NH4+-N UNPACKING THE INSTRUMENT Your Electro-Chemical Devices instrument has been carefully packaged to protect it from damage dur

HYDRA NH4+-N Page 1 1.0 GENERAL DESCRIPTION 1.0.0 Description The HYDRA Ammonium Analyzer measures the concentration of dissolved ammonium as