Model 412400
Contents
1. Type T 184 to 752 F 120 to 400 C Copyright 2011 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 7 412400 EU EN V5 2 2 112. lifecycle 6 412400 EU EN V5 2 2 11 Specifications General Specifications Display 9999 count LCD Meter Power Six 6 1 5V AA batteries or AC adaptor Auto Power OFF Meter automatically powers off after 10 minutes of inactivity can be disabled Current output capability 24mA 1000 ohms Loop Power 24Vdc 1000 ohm max load Accessories Supplied Batteries AC adaptor Calibration cable and User Guide Battery Life Approximately 7 hours 24mA output with 1000 ohm load Power Supply 9V DC 1A 5 4 mm center positive barrel negative Operating Temperature 5 C to 40 C 41 F to 104 F Storage Temperature 20 C to 60 C 4 F to 140 F Operating Humidity Max 80 up to 31 C 87 F decreasing linearly to 50 at 40 C 104 F Storage Humidity lt 80 Operating Altitude 2000meters 7000ft maximum Dimensions 96 x 118 x 45mm 3 8 x 4 7 x 1 8 folded Weight 340g 12 oz Specifications Voltage Current Voltage 0 to 20 00V 1mV to 1999mV ete 1OmV thereafter _ 0 075 of rag 14 0 00 to 50 00mA 0 01mA 3 digits eae Function Range Reo e Voltage O to 10 00V 1mV to 1999mV 0 00 to 24 00mA 0 01mA 3 digits 25 0 to 125 0 Whichever is greater Specifications Temperature Mode Functon Range Resolution Accuracy Source TypeJ 58 to 1830 F amp 50 to 1000 C Measure a Type K 58 to 2498 F 0 1 lt 1000 eee ee 50 to 1370 C 40 gt 1000 0 15 rdg 1 8 F 1 C
3. status icon 5 Loop power indicator 6 Thermocouple types 7 Temperature unit of measure Celsius 8 Temperature unit of measure Fahrenheit 9 Millivolt unit of measure 1 C 10 Voltage unit of measure ia E E E E o 11 Milliamp unit of measure 3 r y vt ct ft m 12 Per cent mp Ga a M ae 13 Five memory locations SOURCE MEASURE 6 JKT M1M2M3M4M5 2 412400 EU EN V5 2 2 11 Operation POWER BUTTON AND AUTO POWER OFF FEATURE 1 Use the POWER button to turn the unit ON or OFF When the unit is switched on a short self test will display after which the LCD will stabilize This meter is powered by six 6 AA 1 5V batteries or by an AC adaptor When the battery symbol appears on the upper left hand corner of the LCD display or if the instrument does not switch on with a press of the POWER button replace the batteries Low battery power may cause inaccurate readings and erratic meter operation 4 This instrument is equipped with Auto Power OFF which turns the meter off after 10 minutes of inactivity To toggle this feature off and on press and hold the POWER button starting with the meter ON until the APO icon is on or off MEASURE MODE 1 Press the POWER button The meter will turn on in the MEASURE mode and in the function last used 2 Press and release the MODE I O button to change to the function desired Temperature Voltage Current or Current with 24V Loop Power 3 Press the UNIT TYPE button to sel
4. User s Guide EXT INSTRUMENTS A FLIR COMPANY Model 412400 Multifunction Process Calibrator Introduction Congratulations on your purchase of the Extech Model 412400 Process Calibrator The Model 412400 can Measure or Source Current Voltage and Thermocouple Temperature signals In SOURCE MEASURE mode the meter can also Power and Measure simultaneously with 24Vdc loop power The calibrator s five 5 memory locations for each calibration function which are also user programmable can be used to provide stepped outputs automatically In automatic mode the output steps can be programmed to run continuously or in single shot mode The Oyster Series meters employ a convenient flip up display with neck strap lanyard for hands free operation and run on battery power or from an AC adaptor This instrument is shipped fully tested and calibrated and with proper use will provide years of reliable service Meter Description LCD display Lanyard storage compartment Positive test lead banana jack red Negative test lead banana jack black Thermocouple Input Output jack Lanyard posts one on each side Battery compartment bottom Keypad AC adaptor jack ao ea m oS ae SS 0 Flip up display Display Description Low battery icon 2 Auto Power Off icon 3 Numerical representation of measured sourced or stored signal value also used to display mnemonics for programming 4 SOURCE or MEASURE mode
5. de Press the MEM button The M1 icon memory location 1 will appear in the display and the value stored in that location will be displayed and sourced Subsequent presses of the MEM button will step through the five memory locations AUTOMATIC Sourcing from stored memory values Voltage Current modes only 1 2 Select the Source mode Press and hold the UNIT TYPE button until StPC continuous stepping or StPS single shot stepping appears on the LCD In Single Shot mode StPS the meter will automatically step through all of the memory locations M1 through M5 and then M5 through M1 and then automatically stop Each step is held for 10 seconds In Continuous mode StPC the meter runs through the same sequence as in Single Shot mode except the sequence repeats indefinitely until the user aborts the test by pressing the UNIT TYPE key When the sequence ends either continuous or single shot the meter will briefly display END and then return to the standby mode Storing values into memory P 2 Select and display a memory location M1 to M5 Use the A W buttons to adjust the display to the desired source value Speed scrolling is explained earlier Press and HOLD the MEM button for gt 2 seconds The Memory location number will flash for several seconds while the value is being stored When the flashing stops the value is stored The displayed value will now be stored in the displayed memory l
6. ect the current units mA or temperature units C F Voltage is autoranging 4 Inthe temperature function press and hold the UNIT TYPE button to change the thermocouple type J K T 5 Connect the signal to be measured to the input jacks for current and voltage or the mini connector for temperature 6 Read the measured value in the display INPUT ZERO An input zero is performed when the meter is first turned on The zero can also be performed manually at any time with or without an input signal connected 1 In the MEASURE mode press and release the MEM ZERO button 2 The units icon will flash and after a few seconds the meter will return to normal operation MEASUREMENT OVER RANGE and UNDER RANGE INDICATION In the Voltage and Current functions measured signals above or below the specified ranges will be indicated by HHHH for above range and LLLL for below range In the Temperature function OPEN will be displayed if the measured signal is outside of the specified range or a thermocouple is not inserted into the temperature jack 3 412400 EU EN V5 2 2 11 SOURCE MODE k Press the POWER button The meter will turn on in the MEASURE mode and in the function last used Press and release the MODE I O button to change the function desired Temperature Voltage or Current Press and hold the MODE 1I O button until SOURCE appears in the display Press the UNIT TYPE button to select the current u
7. nits mA or temperature units C F Voltage is autoranging Adjust the output using the A W buttons e Press the A button once to increase the value in one digit steps Press and hold the A button to increase the value in ten digit steps e Press and hold the A button gt 2 sec and then press the V to increase the value in 100 digit steps To decrease the value use the V button as described above In the Current function the 25 to 125 output range corresponds to the 0 to 24mA output range 25 0 25 50 75 100 125 Display f a mA output NOTE The SOURCE icon will blink until the output level has stabilized The most common cause for the SOURCE icon to continue blinking is that the load impedance is too high in the current mode or too low in the voltage mode 4 412400 EU EN V5 2 2 11 MEMORY MEM BUTTON The calibrator has five 5 memory locations for each function for stepped calibration Default output values are noted below The memory locations output values can be selected manually or the series of five values can be stepped automatically for the voltage and current functions For the temperature function only manual stepping is available The default values initially stored in the memory locations can be modified by the user Once changed the modified valued will be held until manually changed again MANUAL Sourcing from stored memory values Ix 2 Select the Source mo
8. ocation 5 412400 EU EN V5 2 2 11 Default Memory Values Five common source values are pre programmed for each mode and stored in the Calibrator s memory the user can replace these values as needed refer to the Table below Default Memory Values es m m Temperature m m m ma ws Tesco o ro soo 750 1000 type TG o ro 200 300 a00 Note If ERR displays in place of a stored memory value the value is outside the specified range of the instrument Select another value that is within the specified range Battery Replacement When the battery symbol appears on the upper left hand corner of the LCD or if the unit does not switch on when the POWER button is pressed replace the six 6 AA 1 5V batteries 1 The battery compartment is located on the bottom of the instrument 2 3 4 5 Remove the screw that secures the battery compartment cover Slide the battery compartment cover off of the instrument Replace the batteries observing polarity Replace the compartment cover and the screw You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its
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