Call 800.959.0299 to speak with a sales representative
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Model Q45H/64
ATI’s Dissolved Ozone Transmitter is the ideal choice for on-line monitoring and
control of ozonation systems. Capable of measuring DO3 concentrations as low
as 0-200 ppb full scale, the system provides the sensitivity needed for demanding
applications such as pharmaceutical grade water or semiconductor wash water.
And with the standard 0-2 ppm range, the monitor is ideally suited to water bottling
systems or municipal water treatment. Even high range applications requiring 0-20
or 0- 200 ppm can be easily accommodated.
Utilizing a highly selective polarographic membraned sensor, dissolved ozone can
be monitored interference-free, with little maintenance. There are no moving parts
and what little maintenance is required can be done in just a few minutes.
Installation is simple and you can be up and running in a few hours.
Available in loop-powered or battery operated portable versions, the Q45H/64 is well
suited for almost any DO3 measurement requirement.
Egg Washing Systems
Pharmaceutical Water
Semiconductor Wash Water
Ground Water Remediation
Sensor & Flowcell Options
Bottled Water Systems
Food Wash Water
Low maintenance membraned sensor
Loop-powered or battery operation
External 5-17 VDC version for solar power applications
Interference-free measurement
Measurement from 0-200 ppb to 0-200 ppm
Constant-head flowcell simplifies operation
Sealed flowcell option for recirculation systems
Large, easy-to-read LCD display
Clear, menu-driven user interface
NEMA 4X (IP-66) enclosure
Wall or pipe mounting bracket standard
Built-in PID controller
Sealed Flowcell
Constant Head Flowcell
Submersible Sensor
Display Range
0-200 ppb; 2.000, 0-20.00, 0-200.0 ppm or mg/l
+0.5% of selected range or 0.02 ppm
0.3% of selected range or 0.01 ppm
0.05% of selected range
0.1% of selected range
Temperature Drift
0.1% of span/°C
Sensor Type
2E Amperometric (Polargraphic) membraned sensor
Temperature Input
Pt100 in sensor for temperature compensation
Analog Outputs
2- Wire unit: 17-30 VDC, 25 mA maximum
Battery unit: Two AA alkaline batteries
External DC: 5-17 VDC, 10 mA maxumum
2-Wire unit: Single 4-20 mA DC, 450 ohms maximum
Battery unit: Two 0-2.5 VDC, 50K ohms minimum
External DC: Two 0-2.5 VDC, 50K ohms minimum
Output Isolation
600 V Galvanic isolation
NEMA 4X (IP-66) Polycarbanate, V-0 flammability
Mounting Options
Wall or pipe mounting bracket supplied
Conduit Entries
Two PG-9 cord grips, 0.16-0.31” diameter cable
Ambient Temperature
Operating: -40° to + 60°C
Storage: -40° to + 70°C
Ambient Humidity
0-95%, Non-condensing
4.4”H x 4.4”W x 3.5”D (111 x 111 x 90 mm)
2-Wire or External DC unit: 1 lb (0.45 Kg)
Battery unit: 2 lbs (0.9 Kg)
CE marked to BS EN 61326-1:2006 Standard
UL and CSA General Purpose
Ozone Sensor
Membrane-covered amperometric (Polarographic)
Optional pH Sensor
pH sensor, with or without preamplifier
PVC & 316 stainless steel
Response Time
90% in 60 seconds
Temperature Limits
Pressure Limit
0-50 psig
Sensor Cable
25 ft. (7.5 m) standard
Sensor Flowcell
Clear acrylic constant-head overflow or sealed acrylic flowcell
Sample Flow rate
7-15 GPH (0.5-1.0 LPM)
Model Q45H/64-A-B-C Dissolved Ozone Transmitter
Suffix A - Power
1 - 24 VDC, 2-wire (single output only)
4 - Battery operated with two 0-2.5 VDC outputs
5 - External 5-17 VDC with two 0-2.5 VDC outputs
Suffix B - Sensor Style
1 - Sensor with constant head flowcell and 25’ cable
2 - Submersible sensor with 25’ cable
3 - Sensor with sealed low-volume flowcell
4 - Sensor with 1-1/2” Flow “T”
5 - Sensor with sealed flowcell
6 - Flow sensor only, no flowcell (use with extreme caution)
Suffix C - pH Sensor Input
1 - None
2 - Q22 pH sensor with battery preamp, 25 ft. cable
3 - Standard pH sensor with 25 ft. cable & adapter for overflow cell
4 - Standard pH sensor with 25 ft. cable & sealed flowcell
5 - Standard pH sensor with 25 ft. cable (for submersible applications)
Universal junction box, NEMA 4X
5-c sensor interconnect cable, max. 100 ft. (03 only)
7-c sensor interconnect cable, max. 100 ft. (03 / pH systems)
Mounting bracket kit for submersible sensor
Ozone polarizer, flow cell style
Ozone polarizer, submersible style
Monitor pipe mounting bracket kit
2” U-bolt, 304SS
Fixed flow regulator, 400 cc/min., 1/4” inlet & outlet, viton
1 - All systems are supplied with one package of membranes, one
120 cc bottle of electrolyte, and one spare kit containing 3 each of
all o-rings and special screws.
2 - Flowcell for O3 systems should be kept within 25 ft. of monitor.
3 - Pipe mount requires two 2” U-bolts (47-0005).
B / Q45H64 / R-1 (5/2014)
Visit Us on the Web:
Analytical Technology, Inc.
6 Iron Bridge Drive
Collegeville, PA 19462
Phone 610.917.0991
Toll-Free 800.959.0299
Fax 610.917.0992
Email [email protected]
Analytical Technology
Represented by:
Unit 1 & 2 - Gatehead Business Park
Delph New Road, Delph
Saddleworth OL3 5DE
Phone 01457 873 318
Fax 01457 874 468
Email [email protected]
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