EUTECH INSTRUMENTS TURBIDIMETER TN-100 WATERPROOF PORTABLE METER Manuel d'utilisateur télécharger pdf (Page 5)

WATER QUALITY

INSTRUMENTS

IIG Model 3150

Portable Suspended Solids

Analyzer

Don’t send samples to the lab

- the 3150 provides instant

suspended solids readings!

The InsiteIG Model 3150 portable

suspended solids analyser is a state

of the art, easy-to-use meter that

provides many benets to the plant

operations sta.

It is a unique system that combines

advanced electronics with a solid-

state, optical sensor. It is designed

for the measurement of suspended

solids in aqueous solutions. The

microprocessor-based electronics of

the analyser provide a high degree

of exibility and ease-of-use. Data

logging and the ability to download

the data directly to a computer are

optional features.

Real-time SS for better process

•

control

Eliminates the need for daily lab

•

analysis

Data logging with direct

•

downloading to your PC

Can also be used to measure

•

sludge blankets in

clariers

The Model 3150 analayser uses the

Model 15 sensor which operates

on the principal of single gap

light absorption as the means of

determining the concentration of

suspended solids.

The sensor was specically

designed for solids concentrations

typically found in aeration basins

(1000 mg/L to 5000 mg/L) and RAS

streams (7000 mg/L to 20,000 mg/L)

of wastewater treatment plants.

There are independent calibration

points for each. Furthermore, a 15L

low range sensor (0-1000 mg/L) is

available. The Model 15L sensor

was designed to measure very low

solids concentrations typically

found in secondary clarier and

plant euents. The sensor utilizes

an infrared emitter to minimise

colour eects and compensates

for emitter variations due to

temperature by measuring source

brightness.

Easy Calibration

Any optically based device for

measuring suspended solids should

only be span calibrated against

a typical sample of the actual

process water being measured. To

do a complete calibration, a zero

and a span calibration should be

performed.

Zero Calibration

The analyser must rst be zeroed

in clean water such as potable or

distilled water.

Span calibration

A sample/snapshot reading should

be taken in a normal representative

water sample. The Model 3150

utilises its microprocessor memory

in a unique way to make a span

calibration as easy and accurate as

possible. This span calibration is

performed as a two step process.

First, the SNAPSHOT function

of the analyser is used to store

actual process conditions to the

instrument’s memory. Later, when

standard laboratory analysis results

are avalable for those previous

conditions, the analyser’s SPAN

function will recall the stored value

and allow the user to adjust the

span value accordingly.

As long as the lenses are kept clean,

frequent calibration should not

be necessary. Every six months

or longer should be more than

adequate for a complete calibration.

Specications

Range 0 to 30,000 mg/L

(standard sensor)

0 to 1,000 mg/L

(low range sensor)

Accuracy Greater of +/-3% of

reading or 20 mg/L

(standard sensor)

+/-3% of reading

(low range sensor)

Sensitivity/Res 1 mg/L below 1000mg/L

10 mg/L between 1,000

and 9999 mg/L

100 mg/L above

10,000 mg/L

Repeatability +/- 0.5%

Sensor drift Less than 1% per year

Temp range 0 to 60 deg C

Sensor check Automatic self

diagnostics

Output RS232 serial

Memory back up Yes

Display LCD graphic display with

UV protection, contrast

adjustment via keypad,

on demand backlighting

Cable length 6m

Sensor dia. 48mm (standard sensor)

75mm (low range sensor)

Ambient Temp -40 to 60 deg C

Ambient Humidity 0 to 100%

Enclosure rating NEMA 4X

Wetted materials Epoxy,

polyurethane, PVC

Max pressure 100psi

Ordering Information

IIG3150-35 Model 3150 Portable

SS meter, 7.5m cable

0 to 30,000 mg/L

IIG3150-35L Model 3150 Portable SS

meter, 7.5m cable

0 to 1,000 mg/L

IIDK Download kit, including

cable and software

PPAPPE1500 Pelican Hard Carry Case

Suspended Solids

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EUTECH INSTRUMENTS TURBIDIMETER TN-100 WATERPROOF PORTABLE METER Manuel d'utilisateur Page 5

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