Prostat PHT-770 Manuale utente

P R O F E S S I O N A L

S T A T I C

C O N T R O L

P R O D U C T S

Operations Manual

Hygro-Thermometer

PHT-770

America. No part of this manual may be used or reproduced in any manner whatsoever without written

permission. For information contact PROSTAT Corporation, 1072 Tower Lane, Bensenville, IL 60106

PROSTAT is the registered trademark of PROSTATCorporation

PHT-770 Hygro-Thermometer

TABLE OF CONTENTS

PROSTAT®PHT-770 HYGRO-THERMOMETER

Title Page #

I. General Operation.......................................................................................................... 3

II. Min/Max Function............................................................................................................ 3

III. Data Hold Function ......................................................................................................... 4

IV. Auto Power Off Feature .................................................................................................. 4

V. Lo Battery Indicator......................................................................................................... 4

General Specifications.................................................................................................... 5

PHT-770 Hygro-Thermometer

I. General Operation

A. Remove Protective Sensor cover from unit.

B. Turn the PHT-770 on by pressing the ON/OFF Button.

1. Press and hold the ON/OFF Button approximately

one second. Unit will warm up in approximately 10

seconds. The unit is ready to function when the

humidity and temperature is indicated, allow 60 - 80

seconds for the unit to take a reading.

2. Do not press hard.

C. Press the C/F key to convert the reading to the desired

Centigrade/Fahrenheit scale.

1. Both temperature and relative humidity will display

simultaneously.

D. Condensation will not affect the meters accuracy.

E. Replace protective sensor cover when unit is not in use or

for storing unit.

II. Min/Max Function

A. Press and hold the MN/MX button until MIN appears on the

display next to the relative humidity indicator.

1. The display is now showing minimum humidity and

temperature reading in memory.

B. Press and hold the MN/MX button again until MAX appears

on the display next to the relative humidity indicator.

1. The display is now showing maximum humidity and

temperature reading in memory.

C. To return to current temperature and humidity readings

press and hold MN/MX button until MIN or MAX disappears

from the display.

D. To clear current MIN and MAX reading from memory, press

and hold the reset (RST) button until the entire display

flashes.

PHT-770 Hygro-Thermometer

III. Data Hold Function

A. Press and hold the HOLD button until HLD appears on the display next to the

relative humidity indicator.

1. The current reading is now being held and will not change until hold function

is canceled.

B. Press the Reset (RST) button to cancel the Hold function.

C. Hold function can be used for Temperature and Humidity.

IV. Auto Power Off Feature

A. Unit will turn off after 20 minutes. (Sleep Mode)

1. To override the Auto Power Off function (Non-Sleep Mode) press the

ON/OFF button and the MN/MX button simultaneously.

2. After the full display appears, release the ON/OFF button, the display will

show “n” in the center of the display. When “n” appears, release the MN/MX

button.

3. Unit will now be in the Non-Sleep Model

V. Lo Battery Indicator

A. Lo-Battery indication is signaled by the entire display flashing.

1. This is the signal to replace batteries at once.

2. Failure to replace batteries will have an effect on the accuracy of the readings

received from the Hygro-thermometer.

NOTE: Remember Low Batteries will tend to give inaccurate

readings. Make sure you have good batteries at all times.

CAUTION!

DO NOT IMMERSE PROBE INTO LIQUIDS. IMMERSING IN

LIQUIDS WILL CAUSE PERMANENT DAMAGE TO THE

SENSOR!

PHT-770 Hygro-Thermometer

PHT-770 Hygro-Thermometer Specifications

Input Power: 2 each AAA Alkaline Batteries. Battery provide up to 500 hours of

operation.

Relative Humidity Range: 5 to 95% at operation temperatures from -10 to +50oC

Temperature Range: -10 to +50OC (+14 to +122oF)

Memory: Minimum and Maximum measurement recall

Controls: DATA HOLD button, Recall MIN/MAX button, oC/oF button

Resolution: Temperature resolution in 10th's of a degree

Relative Humidity in 1% increments

Response Time: Approximately 80 Seconds

Auto OFF: Automatic power off after 20 minutes to prevent battery drains when

not in use

Size: 1.9 inches wide x 6.7 inches long x 0.5 inch deep

Accuracy: Temperature - 1oC (1.8ºF)

Humidity-5% all ranges

Rev: PHT-770 – 07-2001

Format modification: 01-20-2005

Printed in U.S.A.

1072 Tower Lane, Bensenville, IL 60106 USA

www.prostatcorp.com

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