HT instruments HT3310 User Manual

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User manual

HT3301-HT3310

Table of Contents:

1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2

1.1. Preliminary ........................................................................................................................... 2

1.2. During use ............................................................................................................................ 3

1.3. After use ............................................................................................................................... 3

2. GENERAL DESCRIPTION ........................................................................................... 3

3. PREPARATION TO USE .............................................................................................. 4

3.1. Initial control ......................................................................................................................... 4

3.2. Supply voltage ...................................................................................................................... 4

3.3. Calibration ............................................................................................................................ 4

3.4. Storage ................................................................................................................................. 4

4. INSTRUMENT DESCRIPTION ..................................................................................... 5

4.1. Frontal panel ........................................................................................................................ 5

4.2. Display ................................................................................................................................. 5

4.3. Autopoweroff ........................................................................................................................ 5

4.4. Description of function keys ................................................................................................. 6

4.4.1. MODE key ................................................................................................................................ 6

4.4.2. Switch °C / °F, LOCK ON/OFF and SET ALARM .................................................................... 7

5. PARAMETERS SETTINGS .......................................................................................... 8

5.1. Emissivity adjustment ........................................................................................................... 8

5.1.1. Definition ................................................................................................................................... 8

5.1.2. Emissivity adjustment (HT3301) ............................................................................................... 8

5.1.3. Emissivity adjustment (HT3310) ............................................................................................... 8

6. OPERATING INSTRUCTIONS ................................................................................... 10

6.1. Temperature measurement ................................................................................................ 10

6.1.1. Infrared measurement mode .................................................................................................. 10

6.1.2. Type K measurement mode (HT3301 only) ........................................................................... 11

7. MEMORY (HT3301 ONLY) ......................................................................................... 11

7.1. Storing results .................................................................................................................... 11

7.2. Recalling Data .................................................................................................................... 11

7.3. Clear Data .......................................................................................................................... 11

8. MAINTENANCE .......................................................................................................... 12

8.1. General .............................................................................................................................. 12

8.2. Battery replacement ........................................................................................................... 12

8.3. Cleaning ............................................................................................................................. 12

8.4. End of life ........................................................................................................................... 12

9. TECHNICAL SPECIFICATIONS ................................................................................. 13

9.1. General specifications ........................................................................................................ 13

9.2. Environmental conditions ................................................................................................... 14

9.2.1. Climatic condition ................................................................................................................... 14

9.3. Standard accessories ......................................................................................................... 14

9.4. Optional accessories .......................................................................................................... 14

10. SERVICE .................................................................................................................... 15

10.1. Warranty conditions ........................................................................................................... 15

10.2. After sale service ................................................................................................................ 15

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HT3301-HT3310

1. SAFETY PRECAUTIONS AND PROCEDURES

This instrument complies with EMC standards related to electronic measuring equipment. For your own safety and to avoid damaging the instrument follow the procedures described in this instruction manual and read carefully all notes preceded by this symbol

The following symbol is used in this manual:

When this symbol is displayed, the meter is radiating the laser. Always prevent the laser from radiating to your eyes. Class II laser apparatus according to EN 60825-1.

1.1. PRELIMINARY

• Use the meter only as specified in this manual. An improper use may damage the instrument or its components

• During usage and storage, keep the meter away from direct sunlight or strong sources of light, hot objects (70℃/158℉), high temperatures, high

humidity or dust

• After a period of storage in extreme environmental conditions exceeding the limits mentioned in this manual let the instrument resume normal operating conditions before using it

• If the meter is moved quickly from a cold to a hot environment, some condensation may appear on the focal lens. In this case wait for the condensation to dissipate before taking measurements

• Do not touch the focal lens

• Make sure that the target is larger than the unit’s spot size. The smaller the

target, the closer you should be to it. When accuracy is critical, make sure the target is at least twice as large as the spot size

• Only the accessories supplied with the instrument guarantee compliance with the safety standards in force. They must be in good conditions and, if necessary, replaced with identical ones

• Do not perform measurements beyond the limits specified in chapter 9

• Make sure that the battery is properly installed

• Avoid doing that if you notice anomalous conditions such as breakages,

deformations, fractures, leakages of battery liquid, blind display etc

• This meter is not recommended for use in measuring shiny or polished metal surfaces (stainless steel, aluminum, etc.)

• The unit cannot measure through transparent surfaces such as glass. It will measure the surface temperature of the glass instead

• Steam, dust, smoke, etc., Can prevent accurate measurement by obstructing the unit’s optics

CAUTION

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1.2. DURING USE

Read carefully the following recommendations and instructions:

CAUTION

• Be careful not activate the trigger if the symbol is displayed and the laser output is turned in your direction. A pressure on the trigger activates the laser. Always prevent the laser from radiating to your eyes.

• If the object under test has a smooth surface reflecting the laser, prevent the laser from radiating to our eyes.

• Never radiate the laser to inflammable gas

• If the symbol is displayed during use interrupt testing and replace

batteries according to the procedure described under paragraph 8.2

• Use extreme caution when the laser beam is turned on

• Do not let the beam enter your eye, another person’s eye or the eye of an

animal

• Be careful no to let the beam on a reflective surface strike your eye

• Do not allow the laser light beam impinge on any gas which can explode

1.3. AFTER USE

• After using the instrument turn it off

• If you expect not to use the instrument for a long period remove the battery to avoid

leakages of battery liquids which may damage its inner components

2. GENERAL DESCRIPTION

This manual covers products HT3301 and HT3310. The following features are herewith available and are the s ame if n o t e xpress ively indicated

Function HT3301 HT3310

Type K temperature measurement

• Distance / Spot ratio 30:1 50:1 Unique flat surface, modern housing design Built-in laser pointer Automatic Data Hold Automatic power off °C/°F switch Emissivity adjustable from 0.10 to 1.0 MAX, MIN, DIF, AVG record 20 locations Memory LCD with backlight Automatic range selection Resolution 0.1ºC(0.1ºF) Trigger lock High and Low alarm Obtain automatic emissivity

• •

•

• •

•

Tabella 1: List of available features

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3. PREPARATION TO USE

3.1. INITIAL CONTROL

This instrument was checked both mechanically and electrically prior to shipment. Notwithstanding we suggest you to check it rapidly (eventual damages may have occurred during transport. Make sure that all standard accessories mentioned in paragraph 9.3 are included. Should you have to return back the instrument for any reason please follow the instructions mentioned in paragraph 10.1

3.2. SUPPLY VOLTAGE

The instrument is powered by a single 9V battery type IEC6F22 NEDA1604 included in the package. For battery autonomy please see paragraph 9.1. The symbol " " appears when batteries are nearly discharged. Replace them according to the instructions in paragraph

8.2

3.3. CALIBRATION

The instrument complies with the technical specifications contained in this manual and such compliance is guaranteed for 1 year. Annual recalibration is recommended

3.4. STORAGE

After a period of storage in extreme environmental conditions exceeding the limits mentioned in paragraph 9.2.1 let the instrument resume normal operating conditions before using it.

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4. INSTRUMENT DESCRIPTION

4.1. FRONTAL PANEL

LEGEND:

1. IR sensor

2. Laser pointer beam

3. LCD Display

4. down button

5. up button

6. mode button

7. laser/backlight button

8. Measurement Trigger

9. Handle Grip

10. Battery Cover

11. K Type inputs (only for HT3301)

4.2. DISPLAY

Fig. 1: Frontal panel description

LEGEND:

1. Data hold

2. Measuring indication

3. Emissivity symbol and value

4. °C/°F symbol

5. Auto obtain Emissivity (HT3301)

6. lock and laser” on” symbols

7. High alarm and low alarm symbol

8. Temperature values for the MAX, MIN, DIF, AVG HAL, LAL.TK And LOG

9. Symbols for EMS MAX, MIN, DIF, AVG, HAL, LAL TK (HT3301), LOG (HT3301)

10. Current temperature value

11. Low battery

Fig. 2: LCD Display

4.3. AUTOPOWEROFF

In order to extend the battery life, the meter activate AUTOPOWER OFF function after 7 seconds last measurement executed.

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4.4. DESCRIPTION OF FUNCTION KEYS

LEGEND:

1. Up button

2. MODE button (for cycling through the mode loop)

3. Down button

4. Laser/Backlight on/off button (pull trigger and press button to activate laser/backlight)

MODE

Fig. 3: Description of function keys

4.4.1. MODE key

Each time you press MODE key, you advance through the herewith mode cycle:

¾ Emissivity (EMS) adjustment ¾ MAX: maximum value ¾ MIN: minimum value ¾ DIF: difference between MAX and MIN values ¾ AVG: average value ¾ HAL: high alarm condition ¾ LAL: low alarm condition ¾ TK: measurement with type K probe (only HT3301) ¾ LOG: memory with 20 locations (only HT3301)

MODE

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4.4.2. Switch °C / °F, LOCK ON/OFF and SET ALARM

LEGEND:

1. C/F

2. LOCK ON/OFF

3. SET ALARM

Fig. 4: Description of internal switch

In order to access to the switches perform the herewith steps:

1. Open the battery cover and extract the internal battery

2. Select the temperature units (°C or °F) by using the °C/°F switch

3. Slide the middle switch LOCK to lock the instrument on for continuous measurement. If the trigger is pulled while the switch LOCK is set to ON, the laser and backlight will be turned on if they have been activated. When the unit is locked on, the backlight and laser will remain on unless it is turned off using the Laser/Backlight button on the keypad

4. To activate the alarms, please slide the bottom switch SET ALARM right. To set values for the High Alarm (HAL), Low Alarm (LAL) and Emissivity (EMS), firstly active the display by pulling the trigger or pressing the MODE button, then press the MODE button until the appropriate code appears in the lower left corner of the display, press the UP and down buttons to adjust the desired values.

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5. PARAMETERS SETTINGS

5.1. EMISSIVITY ADJUSTMENT

5.1.1. Definition

Emissivity is a term used to describe the energy-emitting characteristics of materials. Most (90% of typical applications) organic materials and painted or oxidized surfaces have an emissivity of 0.95 (pre-set in the unit). Inaccurate readings will result from measuring shiny or polished metal surfaces. To compensate, cove the surface to be measured with masking tape or flat black paint. Allow time for the tape to reach the same temperature as the material underneath it. Measure the temperature of the tape or painted surface.

5.1.2. Emissivity adjustment (HT3301)

1. Set the EMS mode by press the MODE key (see paragraph 4.4.1)

2. Press and hold the trigger until the “SCAN” message is blinking at the top left part of display

3. In the same condition of point 2 always with trigger on press and hold the Laser/Backlight key up to the blink of “EMS” symbol at display

4. Connect the type K probe to the object surface and test the temperature of same point with IR measurement

5. After both values are stable, press UP or DOWN button for confirmation. Then, emissivity of the object will be shown at the upper side of the LCD

6. Press MODE button or trigger to enter normal measurement

Note:

• When the IR value is not corresponding to the TK value, or IR and TK tested the

different points, no emissivity will be obtainable or a wrong emissivity will be obtained

• The temperature of the target should be higher than the environment temperature.

Normally, 100°C is suitable for obtaining a higher accuracy emissivity

• After obtaining the emissivity, if the difference between IR value (in the middle of LCD)

and TK value (at the lower side of LCD) is too big, the obtained emissivity will be incorrect. It’s necessary to obtain a new emissivity

5.1.3. Emissivity adjustment (HT3310)

1. Set the EMS mode through the MODE button (see paragraph 4.4.1)

2. Using UP and DOWN buttons set the desired value

3. Press MODE button or trigger to enter normal measurement.

Note:

• After emeissivity setting, we recommend to compare the IR measurement with a

“standard” measurement trough a K Type probe. The temperature of the target should be higher than the environment temperature. Normally, 100°C is suitable for obtaining a higher accuracy emissivity.

• After obtaining the emissivity, if the difference between IR value and TK value is too

big, the obtained emissivity will be incorrect. It’s necessary to set a new emissivity.

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HT3301-HT3310

Emissivity of common metal, refractory and buildings materials is shown in Table 2

Object Emissivity Object Emissivity

Zinc (oxidized) 0.1 (*) Carbon (soot) 0.95 Galvanized iron 0.3 Red brick (rough) 0.75 to 0.9 Tin-plated steel 0.1 (*) Fire clay 0.75 Gold (polished) 0.1 (*) Asbestos 0.95 Silver (polished) 0.1 (*) Cast iron (turned 100°C) 0.45 Chromium (polished) 0.1 (*) Cast iron (turned 100°C) 0.6 to 0.7 Steel (ground sheet) 0.6 Zirconium 0.85 Steel plate (oxidized) 0.9 Cast iron (rough) 0.95 Rough ingot iron 0.9 Polished aluminium 0.1 (*) Aluminium (oxidized) 0.25 Aluminium oxide at 260°C 0.6 Aluminium oxide at 800°C 0.3 Brass (polished) 0.1 (*) Brass (roughened) 0.2 Brass (oxidized) 0.6 Copper (polished) 0.05 (*) Copper (oxidized) 0.8 Molten copper 0.15 Lead (pure) 0.1 (*) Lead (oxidized at 25°C) 0.3 Lead (oxidized at 200°C) 0.6 Nickel (pure) 0.1 (*) Nick-Chrome 0.7 Nick-Chrome (oxidized) 0.95 Mortar 0.89 to 0.91 Marble 0.9 Plaster 0.9 Alumina (fine grain) 0.25 Alumina (coarse grain) 0.45 Silica (fine grain) 0.4 Silica (coarse grain) 0.55 Quartz (rough) 0.9 Carbon (graphite) 0.75 Timber (various) 0.8 to 0.9 Enamel (any colour) 0.9 Oil paint (any colour) 0.95 Lacquer 0.9 Water 0.98 Rubber (smooth) 0.9 Rubber (rough) 0.98 Plastic (various) 0.8 to 0.95 Paper 0.9 Silicone polish 0.7 Asphalt 0.90 to 0.98 Cloth (black) 0.98 Concrete 0.94 Human skin 0.98 Cement 0.96 Lather 0.75 to 0.80 Sand 0.90 Charcoal (powder) 0.96 Earth 0.92 to 0.96 Glass 0.90 to 0.95 Water 0.92 to 0.96 Ceramic 0.90 to 0.94 Ice 0.96 to 0.98 Rubber (black) 0.94 Snow 0.83 Plastic 0.85 to 0.95

(*) Emissivity variable with point

Table 2: Emissivity values

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6. OPERATING INSTRUCTIONS

6.1. TEMPERATURE MEASUREMENT

6.1.1. Infrared measurement mode

1. Select the desired additional parameter displayed according to paragraph 4.4.1

2. Hold the meter by its handle grip and point it toward the surface to be measured

3. Pull and hold the trigger to turn the meter on and begin testing. The display will light if the battery is good. Replace the battery if the display does not light. While measuring, the SCAN display icon will appear in the upper left corner of the LCD

4. Release the trigger and the HOLD icon will appear on the LCD indicating that the reading is being held

5. The meter will automatically power off after approximately 7 seconds after the trigger is released

6. The Fig. 5 shows the ratio between distance of the meter from the object under test and the surface diameter of application. As the distance (D) from the object increases, the spot size (S) of the area measured by the unit becomes larger. The relationship between distance and spot size for each unit is listed below. The focal point for each unit is 914mm (36”). The spot sizes indicate 90% encircled energy

HT3301 – Spot size HT3310 – Spot size

Fig. 5: Diameter of application surface S with reference distance D from object

7. Make sure that the target is larger than the unit’s spot size (see Fig. 6) The smaller the target, the closer you should be to it. When accuracy is critical, make sure the target is at least twice as large as the spot size. To find a hot spot aim the thermometer outside the area of interest, then scan across with an up and down motion until you locate hot spot

Fig. 6: Spot size area

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6.1.2. Type K measurement mode (HT3301 only)

1. Pressing the MODE button, select the “TK” symbol according to paragraph 4.4.1

2. Disable laser beam using the Laser/Backlight key

3. Connect the K Type probe to the corresponding inputs respecting the polarity marked in the socket and in the plug.

4. Pull and hold the trigger to turn the meter on and begin testing. The display will light if the battery is good. Replace the battery if the display does not light. While measuring, the SCAN display icon will appear in the upper left corner of the LCD. The temperature detected by the probe will be displayed in the small display on the LCD low-right corner.

5. Release the trigger and the HOLD icon will appear on the LCD indicating that the reading is being held

6. The meter will automatically power off after approximately 7 seconds after the trigger is released.(Unless the unit is locked on)

7. MEMORY (HT3301 only)

7.1. STORING RESULTS

1. To store data from an infrared reading, pull the trigger. While holding the trigger, press the MODE button until LOG appears in the lower left corner of the display

2. A log location number will be shown. If no temperature has been recorded in the shown LOG location, 4 dashes will appear in the lower right corner

3. Aim the unit at the target area you want to record, and press the laser/backlight key

4. The recorded temperature will appear in the lower right corner. To select another log location, press the up and down keys. Your thermometer is capable of storing up to 20 data locations. The infrared temperature and temperature scale (°C or °F) are also stored

7.2. RECALLING DATA

1. To recall stored data after the unit shuts off, press the MODE button until LOG appears in the lower left corner

2. A LOG location number will be shown below LOG, and the stored temperature for that location will be display

3. To move to another LOG location, press the UP and Down keys

7.3. CLEAR DATA

1. Press the MODE button until the LOG mode is selected

2. While in LOG mode, press the trigger, and then press the “down” arrow button until you

reach LOG location “0”. This can only be done when the trigger is pulled. LOG location “0”cannot be accessed, by using the “up” arrow button.

3. When LOG location “0” shows in the display, press the laser/backlight button. A tones

will sound, and the LOG location will automatically change to “1”, signifying that all data locations have been cleared.

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8. MAINTENANCE

8.1. GENERAL

1. This meter is a precision instrument. Whether in use or in storage, please do not

exceed the specifications to avoid any possible damage or danger during use

2. Do not keep this meter at high temperatures and/or humidity or expose to direct

sunlight

3. Be sure to turn the meter off after use. For long term storage, remove the battery to

avoid leakage of battery fluid that can damage the internal components

8.2. BATTERY REPLACEMENT

When battery is low, the symbol is displayed to require replacement

Before replacing the battery disconnect test leads from any energised circuits to avoid electrical shocks

CAUTION

1. Open the battery cover (see Fig. 4)

2. Replace the old battery with a new one and reposition the battery cover

3. Use the appropriate battery disposal methods for your area

8.3. CLEANING

To clean the instrument use a soft dry cloth. Never use wet clothes, solvents or water, etc.

8.4. END OF LIFE

CAUTION: this symbol indicates that equipment, the battery and its accessories

shall be subject to a separate collection and correct disposal.

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9. TECHNICAL SPECIFICATIONS

Accuracy is indicated as [% of reading + degree]. It is referred to the following reference conditions: 18 to 28 °C (64 to 82 °F), less than 80 % RH.

INFRARED MEASUREMENT

Function Resolution Range Accuracy Response time

-50°C ÷ –20°C

-20°C ÷ 200°C

°C 0.1°C

°F 0.1°F

Spectral Response: 8 ~ 14um Rapporto D/S: 30:1 (HT3301), 50:1 (HT3310) Emissivity: Adjustable 0.10 ~ 1.00 Sensor: Thermopile Laser Diode: Output < 1 m W, W a v e length 630~670nm, Class 2(II) laser product

200°C ÷ 538°C 538°C ÷ 1000°C (HT3301) 538°C ÷ 1000°C (HT3310)

-58°F ÷ –4°F

-4°F ÷ 392°F

392°F ÷ 1000°F 1000°F ÷ 1922°F (HT3301) 1000°F ÷ 1832°F (HT3310)

± ( 1.5%rdg + 2.0°C) ± ( 2.0%rdg + 2.0°C)

± ( 3.5%rdg + 5.0°C)

± ( 1.5%rdg + 3.6°F) ± ( 2.0%rdg + 3.6°F)

± ( 3.5%rdg + 9.0°F)

±5.0°C

±9.0°F

TYPE K MEASUREMENT (only for HT3301)

Function Resolution Range Accuracy Response time

°C 0.1°C

°F

NOTE: The basic accuracy specification does not include the error of the probe. Please refer to the probe

accuracy specification for additional details.

0.1°F 1°F 2000°F to 2498°F

-50.0°C to 1000.0°C ± ( 1.5%rdg + 3.0°C)

1000.0°C to 1370.0°C ± ( 1.5%rdg + 2.0°C)

-58°F to 1832.0°F ± ( 1.5%rdg + 5.0°F)

1832.0°F to 1999.9°F

± ( 1.5%rdg + 3.6°F)

9.1. GENERAL SPECIFICATIONS

Safety: Comply with CE marks and EMC directives

Mechanical characteristics

Dimensions: 100(L)×56(W)×230mm(H)

3.9(L)×2.2(W)×9.0(H) inches Weight: 290g (battery included) ; 10 ounces

Power supply

Battery type: 1 x 9V battery type IEC6F22 Low battery indication: “

” is displayed when battery is low and

needs replacement

Battery life: Approx. 50 hours (with laser pointer and

backlight turned off) Display Characteristics: Backlight LCD Display Auto power off: Approx. 7s Over range indication: “OL” or “-OL”

Memory

Only for HT3301: 20 test (direct reading from display)

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9.2. ENVIRONMENTAL CONDITIONS

9.2.1. Climatic condition

Operating temperature: 0°C ÷ 50°C (32°F ÷122°F) Operating humidity: 10 ÷ 80%RH Storage temperature: –20°C ÷ 60°C (-4°F ÷ 140°F) Storage humidity: < 70%RH Operating max altitude: 2000m (6.562 ft)

9.3. STANDARD ACCESSORIES

The accessories contained inside the packaging are the followings:

• Instrument

• Battery

• Type K bead probe (only for HT3301)

• Carrying case

• User manual

9.4. OPTIONAL ACCESSORIES

The herewith type K thermocouple are available (only for HT3301):

Model Description TK107

TK108

TK109 TK110

Air and gas temperature Inner temperature of fluids and semisolid substances Inner temperature of fluids and solid substances

Surface temperature

Temperature

range

-40 ÷ 800 °C

-40 ( 400 °C

Accuracy

(at 100°C)

± 2.2 °C 200 1.5

± 2.2 °C

Probe length

± 2.2 °C

Surface

TK111

temperature with

-40 ( 400 °C

± 2.2 °C

fixed tip at 90°

Diameter

(mm)

200 3

200 4

(mm)

200 5

260 5

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10. SERVICE

10.1. WARRANTY CONDITIONS

This instrument is guaranteed against material or production defects, in accordance with our general sales conditions. During the warranty period the manufacturer reserves the right to decide either to repair or replace the product.

Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it. Do not forget to enclose a report describing the reasons for returning (detected fault). Use only original packaging. Any damage occurred in transit due to non original packaging will be charged anyhow to the customer. The manufacturer will not be responsible for any damage to persons or things.

The warranty doesn’t apply to:

• Accessories and batteries (not covered by warranty).

• Repairs made necessary by improper use (including adaptation to particular applications not

foreseen in the instructions manual) or improper combination with incompatible accessories or equipment.

• Repairs made necessary by improper shipping material causing damages in transit.

• Repairs made necessary by previous attempts for repair carried out by non skilled or

unauthorized personnel.

• Instruments for whatever reason modified by the customer himself without explicit

authorization of our Technical Dept.

The contents of this manual may not be reproduced in any form whatsoever without the manufacturer’s authorization.

Our products are patented and our logotypes registered. We reserve the right to modify specifications and prices in view of technological improvements or developments which might be necessary.

10.2. AFTER SALE SERVICE

Shouldn’t the instrument work properly, before contacting your distributor make sure that batteries are correctly installed and working, check the test leads and replace them if necessary. Make sure that your operating procedure corresponds to the one described in this manual.

Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it.

Do not forget to enclose a report describing the reasons for returning (detected fault).

Use only original packaging. Any damage occurred in transit due to non original packaging will be charged anyhow to the customer. The manufacturer will not be responsible for any damage to persons or things.

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HT instruments HT3310 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual