4
2.0 Introduction to the Unit
2.1 Overview
The AccUView LED process transmittance monitor allows for the UV
transmittance or absorbance measurement of process water on-line.
A unique feature of the instrument is the ultrasonic cleaning.
Refer to section 8.2 for more information.
2.2 Specifications
Measurement Range
0 – 100.0 %T
0 – 2.0 ABS
Repeatability
± 1.0 %T
± 0.002 ABS
Resolution
0.1 % T
0.0004 ABS
Accuracy
± 2.0 % T
± 0.008 ABS
Response Time
Adjustable Averaging
Path Length
22 mm (Readings corrected to 10 mm)
Display
Multi-Line Liquid Crystal Backlit Display
Alarms
Two Programmable, 120-240VAC 2A Form C Relay
Analog Output
Powered loop isolator 4-20 mA, 600 Ω drive
Communications Port
Optional bi-directional RS-485 with Modbus
Maximum Water Pressure
1380 kPa (200 psi.) with integral pressure regulator
Flow Rate
100 ml/min. – 1.5 liter/min. (.026-.40 Gal/min)
Operating Temperature
0°C – 50°C (32°F – 122°F)
Wetted Materials
Nylon, Quartz, Silicone, Polypropylene, Stainless Steel
Sample Temperature Range
0°C – 50°C (34°F – 122°F)
Power Supply
100– 240 VAC, 47 – 63 Hz, 80VA
Insulation Rating
Double Insulated, Pollution Degree 2, Overvoltage Category II
Environmental Conditions
Not recommended for outdoor use.
Altitude up to 2000 meters
Up to 95 % RH (non-condensing)
Enclosure
ABS
Regulatory Compliance
and Certifications
CE Approved, Listed to UL 61010-1 3rd edition: 2012
Certified to CAN/CSA C22.2 No. 61010-1: 2012
EMC: EN61326-1: 2013
Shipping Weight
2.5 kg (5.5 lbs.)
Warranty
1 Year from date of shipment
2.3 Unpacking and Inspection of the
Instrument and Accessories
The table below indicates the items in the monitor shipment.
Item
Quantity
AccUView LED Monitor c/w Field Terminal Box and Flow Through Assembly
1
Instruction Manual
1
Desiccant Pack
1
Quartz Cuvette with Ultrasonic Transducer (Single Pack)
1
100 % T Calibration Standard
1
Tubing Kit *
1
* Note - Tubing Kit includes:
1-shutoff clamp
1-backpressure valve
2-connecting tubings with fittings for flow through assembly
1-drain vent screw (used in pressurized systems)
Refer to Figure 4.
Remove the instrument from the packing carton. Carefully inspect all
items to ensure that no visible damage has occurred during shipment.
If the items received do not match the order, please immediately contact
the local distributor or the HF scientific Customer Service department.
This symbol identifies hazards which, if not avoided,
could result in minor or moderate injury or damage
to the equipment.
This symbol identifies important information,
practices or actions.
This pictorial alert you to the need read the manual,
possibly at a different section.
This pictorial alerts you to electricity, electrocution
and shock hazards.
1.0 Understanding Safety
Information
This manual contains basic instructions that must be followed during
the commissioning, operation, care and maintenance of the instrument.
The safety protection provided by this equipment may be impaired if it
is commissioned and/or used in a manner not described in this manual.
Consequently, all responsible personnel must read this manual prior to
working with this instrument.
In certain instances icons or symbols have been added to give further
clarification to the instructions. Refer to the
Table of Contents
to easily
find specific topics and to learn about unfamiliar terms.
1.1 Symbols Used in this manual
CAUTION
!
NOTICE
