Twilight LT-AM4205A Manual
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Twilight LT-AM4205A Manual

Anemometer
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Summary of Contents for Twilight LT-AM4205A

  • Page 1 Termohigrómetro + Anemómetro LT-AM4205A www.twilight.mx twilightsadecv twilight twilightsadecv sadecv...
  • Page 2 + Type K/J TEMP. HUMIDITY / ANEMOMETER Model : AM-4205A Your purchase of this HUMIDITY/ANEMOMETER marks a step forward for you into the field of precision measurement. Although this METER is a complex and delicate instrument, its durable structure developed. Please read following...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. FEATURES..............1 2. SPECIFICATIONS............2 2-1 General Specifications..........2 2-2 Electrical Specifications ..........5 3. FRONT PANEL DESCRIPTION.......... 7 3-1 Display..............7 3-2 Power Button ( ESC Button )........7 3-3 Hold Button ( Function Button )......... 7 3-4 REC Button ( Enter Button )........

  • Page 4: Features

    1. FEATURES * Anemometer, Humidity meter and type K/J Thermometer are combined into one meter, intelligent design. * Microprocessor circuit assures maximum possible accuracy, provides special functions and features. * Large LCD with two display, easy readout. * Low-friction ball vane wheels is accurate in both high & low velocities for anemometer.

  • Page 5: Specifications

    2. SPECIFICATIONS 2-1 General Specifications Circuit Custom one-chip of microprocessor LSI circuit. Display * LCD size : 60 mm x 33 mm * Dual function meter's display. Anemometer : Measurement m/s ( meters per second ) km/h ( kilometers per hour ) ft/min ( feet/per minute ) knots ( nautical miles per hour ) mile/h ( miles per hour )
  • Page 6 Input Socket : Type K/J Thermometer Standard 2 pin thermocouple socket. Linear Compensation : structure Linear Compensation for the full range. Temperature Compensation : Automatic cold junction compensation both type K/J thermometer Data hold To freeze the display reading on the LCD display.
  • Page 7 Main instrument: Dimension 180x72x32 mm (7.1x2.8x1.3 inch). Anemometer probe : Round, 72 mm Dia. Humidity Probe: 197 mm ( 7.8 inch ) in length. Accessories Instruction manual....1 PC. Included Anemometer probe....1 PC. Humidity Probe......1 PC. Carrying case......1 PC. Optional * Type K thermocouple probe, Accessories...

  • Page 8: Electrical Specifications

    2-2 Electrical Specifications (23± 5 ℃ Type K/J Thermometer Sensor Reso- Range Accuracy Type lution 0.1 ℃ Type K -50.0 to 1300.0 ℃ ± ( 0.4 % + 0.8 ℃ -50.1 to -199.9 ℃ ± ( 0.4 % + 1 ℃...
  • Page 9 B. Temperature Measuring Range to 50 to 122 ℃ ℃ ℉ ℉ Resolution /0.1 ℃ ℉ Accuracy ± 0.8 /1.5 ℃ ℉ Humidity/Temp. meter A. Humidity Measuring Range 10 % to 95 % R.H. Resolution 0.1 % R.H. Accuracy 70% RH ±...

  • Page 10: Front Panel Description

    3. FRONT PANEL DESCRIPTION Fig. 1...

  • Page 11: Display

    Fig. 2 3-1 Display 3-2 Power Button ( ESC Button ) 3-3 Hold Button ( Function Button ) 3-4 REC Button ( Enter Button ) 3-5 Setting Button 3-6 RS-232 Output Terminal 3-7 Vane Probe Head 3-8 Vane Probe Handle 3-9 Vane Probe Plug 3-10 Humidity Probe Head 3-11 Humidity Probe Handle...

  • Page 12: Measuring Procedure

    4. MEASURING PROCEDURE 4-1 ANEMOMETER 1) Install the " Vane Probe Plug " ( 3-9, Fig. 1 ) into the " Anemometer Socket " ( 3-13, Fig. 2 ). 2) Power on the meter by pressing the " Power Button " ( 3-2 , Fig.

  • Page 13: Humidity Meter

    4-2 HUMIDITY METER 1) Install the " Humidity Probe Plug " ( 3-12, Fig. 1 ) into the " Humidity Socket " ( 3-13, Fig. 2 ). 2) Power on the meter by pressing the " Power Button " ( 3-2 , Fig. 1 ) once. 3) The display will show the humidity ( %RH ) and temperature value that sening from "...

  • Page 14: Both Anemometer/Thermometer

    4-4 Both Anemometer/Thermometer 1) Install the " Vane Probe Plug " ( 3-9, Fig. 1 ) into the " Anemometer Socket " ( 3-13, Fig. 2 ). Connect the plug of the Temp. probe ( optional, such as type K probe, TP-01, TP-02A, TP-03, TP-04 ) into the " Thermometer socket "...

  • Page 15: Data Hold

    4-6 Data Hold During the measurement, pushing the " Data Hold Button " ( 3-3, Fig. 1 ) will hold the measured value & the LCD will indicate " HOLD " symbol. * Push the "Data Hold Button" again to release the data hold function.
  • Page 16 5. ADVANCED SETTING PROCEDURES Before executing Advanced Setting Procedures, exit the " Hold function " and the Record " function first. * Press " Setting Button " continuously at least 5 seconds to enter the setting function. * After already set the desiring value ( function ), press the "...

  • Page 17: Change The Measuring Unit

    5-1 Change the measuring unit Change the measurement unit are available for Anemometer a. Use " Function button " ( 3-3, Fig. 1 ) to select the desiring measuring unit. Anemometer m/S, km/h, mph, knot, FPM b. After select the desiring unit, press the " Enter button "...

  • Page 18: Auto Power On/Off

    5-4 Auto power On/Off ( Lower display show " OFF " ) a. Use " Function button " ( 3-3, Fig. 1 ) to select " YES " or " no ". * YES : Auto power off. * no : Auto power disable. b.

  • Page 19: Rs232 Pc Serial Interface

    6. RS232 PC SERIAL INTERFACE The instrument has RS232 PC serial interface via a 3.5 mm terminal ( 3-6, Fig. 1 ). The data output is a 16 digit stream which can be utilized for user's specific application. A RS232 lead with the following connection will be required to link the instrument with the PC serial port.
  • Page 20 Each digit indicates the following status : Start Word When send the upper display data = 1 When send the lower display data = 2 D12 & D11 Annunciator for Display = 01 = 02 m/S = 08 ℃ ℉ km/h = 10 mph = 12 knot = 09...

  • Page 21: Battery Replacement

    7. BATTERY REPLACEMENT 1) When the left corner of LCD display show " ", it is necessary to replace the battery. However, in-spec. measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate. 2) Open the "...
  • Page 22 (Type K) TP-01 * Max. short-tern operating Temperature: 300 (572 ℃ ℉ * It is an ultra fast response naked-bead thermocouple suitable for many general purpose application. Thermocouple * Measure Range : Probe -50 to 900 , -50 to 1650 ℃...
  • Page 23 INSTRUMENTOS DE MEDICIÓN INDUSTRIAL � LLÁMANOS +52(81) 8115-1400 / +52 (81) 8173-4300 LADA Sin Costo: 01 800 087 43 75 E-mail: ventas@twilight.mx www.twilight.mx twilightsadecv twilightsadecv twilightsadecv...

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