PCE Instruments PCE-779N-ICA Bedienungsanleitung

Manual

Thermometer PCE-779N

Version 1.0

Date of creation: 15.04.2015

Date of last change: 03.05.2018

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

Contents 
1Introduction.............................................................................................................3 
1.1 Delivery content.......................................................................................................................... 3 
2Safety notes.............................................................................................................3 
3Specifications..........................................................................................................4 
4System description.................................................................................................4 
5Instructions..............................................................................................................5 
5.1 How to make a measurement .................................................................................................... 5 
5.2 Measurement with external sensor ............................................................................................ 5 
5.3 Functions.................................................................................................................................... 5 
5.4 Settings....................................................................................................................................... 5 
6LCD error messages...............................................................................................6 
7Storage and cleaning..............................................................................................6 
8Batteries...................................................................................................................6 
9Contact.....................................................................................................................7 
9.1 PCE Instruments UK .................................................................................................................. 7 
9.2 PCE Americas ............................................................................................................................ 7 
 
 
 

Manual

1 Introduction

Thank you for purchasing a PCE-779N from PCE Instruments.

This compact non-contact infrared thermometer can measure surface temperatures quickly and has

various measurement functions such as max, min and average measurement as well as an alarm

function. The device is equipped with a dual laser for targeting the measuring point. It has a large display

and is easy to use. The PCE-779N is frequently used for food inspection and hygiene testing, in heating

and air conditioning, switch cabinet monitoring, road construction, production monitoring as well as for

temperature measurements on motors.

1.1 Delivery content

1 x HVAC Meter PCE-779N,

1 x thermocouple type K (max. 200 °C),

2 x AAA battery,

1 x instruction manual

2 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The device

may only be used by qualified personnel and repaired by PCE Instruments personnel. There is no

warranty of damages or injuries caused by non-observance of the manual.

- Keep the thermometer away from children.

- Do not use this instrument for safety-related applications.

- In order to prevent permanent eye injuries, do not look directly into the laser beam when the device is in

use. Be very careful when using the laser. Do not point it towards people’s or animals’ eyes.

- The device may only be used in the approved temperature range.

- The measurement range only applies to the thermometer. Make sure to choose the adequate type of

probe for your application. To avoid damage of the probe, make sure that the target to be measured

does not exceed the temperature range of the probe.

- To avoid electric shock or damage of the thermometer, do not measure in live circuits where the voltage

exceeds 24 V ac RMS or 60 V dc with the thermocouple.

- After measuring high temperatures, the probe may remain hot for a while.

- EMC / RFI: your readings may be affected if the device is operated within a radio frequency

electromagnetic field strength of approximately 3 V/m. However, the device’s performance will not be

permanently affected.

- The case should only be opened by qualified personnel of PCE Instruments.

- The instrument should never be placed with the user interface facing an object (e.g. keyboard side on a

table).

- You must not make any technical changes to the device.

- The appliance should only be cleaned with a damp cloth / use only pH-neutral cleaner.

This manual is published by PCE Instruments without any guarantee.

We expressly point to our general guarantee terms which can be found in our general terms of business.

If you have any questions please contact PCE Instruments.

Manual

3 Specifications

Item

Infrared thermometer

K-type thermocouple

Measurement range

-60 … +760 °C (-76 … +1400

°F)

-64 … +1400 °C (-83.2 … +2552

°F)

Resolution

0.1 °C / 0.1 °F (at -83.2 … 999.9 °C / °F), otherwise 1 °C / 1 °F

Accuracy (Tobj = 15 … 35°C,

Tamb = 25°C)

±1.0 °C (1.8 °F)

+/-1 % of reading or 1 °C (1.8 °F)

whichever is higher

(at Tamb = 23 ±6 °C)

Accuracy (Tamb = 23 ±3 °C)

Tobj = -60 … 0: +/-(2 + 0.05 x

reading) °C, Tobj=0 … 760: +/-2

% of reading or 2 °C (4 °F)

whichever is higher

Note: under an electromagnetic field strength of 3V/m from 200 to

600 MHz, the maximum error is 10 °C (18 °F)

Emissivity

0.95 default –adjustable 0.1 to 1 in steps of 0.01

Response time (T90)

1 second

Distance:spot

30:1

Automatic Power Off

after more than1 minute of

inactivity

in PRB mode: after more than

12 minutes of inactivity

Operating conditions

0 … +50 °C (32 … +122 °F)

Battery life (alkaline)

min. 30 hours continuous use without laser

min. 3 hours continuous use with laser and white LED

Dimensions

119.2 x 47.5 x 171.8 mm (4.7 x 1.87 x 6.76")

Weight

255.7 g (9.02 oz) including batteries (2 x AAA)

4 System description

Manual

5 Instructions

5.1 How to make a measurement

To make a measurement, simply target the lens (7) of thermometer at the object to be measured and

press the measurement key (6). The surface temperature will then be displayed. The distance-to-spot –

ratio is 30:1. Please make sure that the target area is within the field of view.

5.2 Measurement with external sensor

Connect an external K-type thermocouple to the meter via the mini jack at the side of the device. Press

the Mode key until PRB appears in the display. Then press the Measurement key. The display will now

show the temperature measured by the external thermocouple.

5.3 Functions

Press the mode key (2) to see the following functions:

Here, you can see the emissivity. The default emissivity is 0.95.

Press the mode key (2), then press the up (4) or down key (3) to set the emissivity.

Press mode key (2) to confirm. You can select an emissivity between 0.10 (10 E) and

1 (100 E).

Press the mode key (2) to enter maximum (MAX), minimum (MIN), difference

between MAX and MIN (DIF) and average (AVG) modes. During measurement, the

respective reading will be displayed next to the mode icon.

Press the up (4) or down (3) key to change the high alarm (HAL) or low alarm (LAL).

Then press measurement key (6) to confirm your entry. When the reading exceeds

the high alarm (HAL) or falls below the low alarm (LAL), the high or low icon will flash

and you will hear a beep sound.

Use the thermocouple socket (5) to connect the probe. Place the probe on the object

to be measured. The thermometer will display the temperature automatically. To see

the maximum or minimum value during probe measurement, please press and hold

the up (4) or down key (3).

After measuring high temperatures, the probe may remain hot for a while.

5.4 Settings

In E, MAX, MIN, DIF, AVG modes:

Press the up key (4) to lock or unlock. Lock mode

is particularly useful for continuous temperature

measurements of up to 60 minutes.

Press the down key (3) to switch between °C and

°F.

In MAX, MIN mode: press and hold the

measurement key (6).

The bar indicator shows the

measured temperature. The bars

will be RED when the reading is

close to the maximum value or

BLUE when it comes close to the

minimum value. They will be

YELLOW when the temperature

is between the maximum and the

minimum value.

Backlight

The LCD backlight is always on.

In all modes: Press and hold the measurement

key (6).

Then press the down key (3) to turn the laser on

or off.

Manual

6 LCD error messages

Error message

Reason

“Hi” or “Low” is displayed when the temperature

measured is outside the HAL and LAL limits.

“Er 2” is displayed when the ambient temperature

changes quickly. “Er 3” is indicated when the

ambient temperature falls below 0 °C (32 °F) or

exceeds +50 °C (122 °F). Allow at least 30

minutes for the thermometer to adapt to the room

temperature.

“Er 5”… “Er 9”means that you must reset the

thermometer. To do so, turn the device off,

remove the battery and wait for at least one

minute before you reinsert the battery and turn

the device back on. If the error remains, please

contact PCE Instruments.

“Hi” or “Lo” is indicated when the temperature

measured is outside the measurement range.

7 Storage and cleaning

The device should be stored at room temperature. The sensor lens is the most sensitive part of the

thermometer. Therefore, it should always be kept clean. Please be careful when cleaning it. Use a soft

cloth or cotton swab with water or medical alcohol. Do not submerge any part of the instrument.

8 Batteries

The battery level indication can be as follows:

“Battery OK”: measurements are

possible.

“Battery low”: measurements are

still possible, but battery needs

to be replaced.

“Battery flat”: measurements are

no longer possible.

When the “Battery low” icon appears, the battery should immediately be replaced by a new 1.5 V

AAA battery. To avoid malfunction, please switch off the device before replacing the battery.

Dispose of used batteries immediately and keep them away from children.

For the disposal of batteries, the 2006/66/EC directive of the European Parliament applies. Due to the

contained pollutants, batteries must not be disposed of as household waste. They must be given to

collection points designed for that purpose.

In order to comply with the EU directive 2012/19/EU we take our devices back. We either re-use them or

give them to a recycling company which disposes of the devices in line with law.

Manual

9 Contact

If you have any questions about our range of products or measuring instruments please contact PCE

Instruments.

9.1 PCE Instruments UK

By post:

PCE Instruments UK Ltd.

Units 12/13 Southpoint Business Park

Ensign Way, Southampton

Hampshire

United Kingdom, SO31 4RF

By phone:

02380 987 035

9.2 PCE Americas

By post:

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

33458 FL

USA

By phone:

561 320 9162

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