Omega Products PHH-152 Installation Manual

INSTRUCTION MANUAL

pH/mV

PHH-?

METER

52

1.0

CONTENTS

OF

TABLE

GENERAL OVERVIEW..........3

PAGE

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

SPECIFICATIONS............3

INSTRUMENT FAMILIARITY....4

OPERATION

CALIBRATION

...............

............

MEASUREMENT GUIDELINES

pH

BUFFERS

ELECTRODE CARE

.............

.........

BATTERIES................1

TROUBLESHOOTING..........1

THEORY OF MEASUREMENT....1 2

WARRANTY.........BAC K COVER

...6 ...7

. ...8

...9

..s

0 1

This

solutions. necessary measurements,

meter measures

The meter includes all the functions

for

precise

including set and slope knobs for two

or three point calibration,

the

and

pH/MV

accurate

a manual temperature

of

pH/MV

adjustment allowing for temperature compensation,

31/z

and a

digit LCD display.

Re-chargeable batteries and an AC adapter/re- charger allow versatility for use in the field and in the lab.

The batteries will last approximately 400 hours before re-charging is required. The LCD display will

give a

"BAT"

reading

when

batteries are low.

2.0

SPECIFICATIONS

most

the

READOUT RANGE

ACCURACY

RESOLUTION TEMP. COMP. TEMP. RANGE SIZE

WEIGHT

POWER

.5"

3112

O-14

+0.02

tall Digit LCD

51999

/

pH

/

pH

/

1 pH5.1

mV

mV+2

mV

MANUAL

O- 6"H

1ooOc

3"W

2Oc

+

2%

l.S'Lbs'(0.7Kg)

8

"AA"

Rechargeable Batteries

3

l.LCD

4.SET

5.SLOPE

3.TEMP

2.DISPLAY SWITCH

7.PROBE INPUT

6.POWER JACK

8.pH

PROBE

4

3.0

INSTRUMENT FAMILIARITY

1.

2.

3.

4.

5.

6.

Liquid Crystal Display

pH/MV

l/2

digit display for

3

Display Switch

Selects the

Temp

'k

MV

or the

pH

readings.

function.

Used for temperature compensation in the

function.

Set the dial to the temperature

of the sample being measured.

Set

pH

7.00 adjustment knob. Calibrates the

offset of the

pH

meter. Corrects for

variations in the probe as it ages,

Slope

pH

4 or

10 adjustment knob.

the gain of the

value.

Corrects meter for variations in the

pH

meter for a known

Calibrates

probe as it ages.

Power Jack

The wall plug adaptor output is attached to

operate from line voltage.

Input is

5oomA.

pH

12vdc,

7.

pH

Probe

Inpu t

A BNC connector for the

8.

pE

Probe

(Standard with Field Kit) Standard single junction, combination electrode.

5 inches long,

4.0

1.

OPERATION

The meter

chargeable batteries.

The body is

and has a six foot cable.

is.powered

with internal NICAD re-

Connecting the AC adaptor

will re-charge the batteries while

5

pH

probe.

l/2

inch diameter,

allowing

continued

operation.

The batteries

charged overnight prior to the inital use of the

meter on battery power only.

pH

2.

Attach the

probe to the BNC connector.

should be

3.

Set the

Function

switch to the

position.

4.

Calibrate the meter as described in the

CALIBRATION section.

5.

6.

Insert the probe into the unknown solution at least

l/2

inch.

Allow the display to settle and record the

reading.

5.0

CALIBRATION

1.

Attach the

2.

Set the

pH

probe to the BNC connector.

switch to the

position.

TEMP

3. Adjust the

knob to the temperature of

the buffer.

pH

4. Place

electrode in

Sufficient buffer should be used to

pH

immerse the

tip.

pH

7 buffer.

mV

MV

or Function

or

pIi

pH

5. Adjust the SET knob to read

pH

7.00 on the

display.

6. Rinse the electrode with distilled water.

7. Immerse the electrode in a second standard pH

buffer,

either

pH

4.00 or

10.00.

time for the probe to equilibrate.

6

Allow