VA720 RTD Process Calibrator User`s MANUAL
Contents
1. ex The number in the L referring to the Explanation on Front Panel Page7 Maintenance Cleaning Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents Calibration 10 RTD Process Calibrator User s Manual Calibrate your calibrator once a year to ensure that it performs according to its specifications Replacing the Battery Please change the battery when the LCD indicates Turn off the power of the Calibrator When you change the battery and screw off the breechblock on the battery cabinet cover then take off it and instead the fresh AAA 1 5V battery 112. Press the power key turn on the calibrator Press the Input Output key8 When on the input mode Press RTD mode key 6 on the measure type you want 8 INPUT c TJ c c gt oeeeeoe Passes AN INPUT 30V MAX RTD RTD Process Calibrator User s Manual pPut the RTD or Resistance on the input jack f you want to measure with 3W 4W mode press the wire mode select key 9 10 to select and put the wire to the correspond input jack Get the reading valuel 6 The number in the L referring to the Explanation on Front Panel Page7 RTD Simulate Press the power key turn on the calibrator Press the Input Output key8 When on the output mode Press RTD mode key 6 on the measure type you want Press the adjust value key9 10 11 12 to let the value on your need OUTPUT OUTPUT 2W 3W 4W 30V Q bg z RTD E 96 RAHA tat RTD Process Calibrator User s Manual Put the RTD meter or Resistance meter on the input jack Olt you want to output with 3W 4W mode put the other wire on the 2wir jack like the left picture Mit you want to change the output value then press the adjust value key 9 110 11 112 or change to other RTD type use the RTD mode key
3. VA720 RTD Process Calibrator User s MANUAL VSA SHANGHAI YIHUA V amp A INSTRUMENT CO LTD RTD Process Calibrator User s Manual Safety Information To avoid possible electric shock or personal injury e Never apply more than 30V between any two jacks or between any jack and earth ground e Make sure the battery door is closed and latched before you operate the calibrator e Remove test leads from the calibrator before you open the battery door e Do not operate calibrator if it is damaged e Do not operate the calibrator around explosive gas vapor or dust To avoid possible damage the calibrator e Make sure choose the right jack and rang before use the calibrator to measurement or calibrator e Take away the calibrator from the used circumstance before operate the calibrator or after close the calibrator RTD Process Calibrator User s Manual Introduction RTD Process Calibrator is a exactitude measurement and source instrument it can be use to calibrate the RTD transmitter include most impulse transmitter RTD Process Calibrator can measure or simulate 7 difference types of RTD C or F and measure or simulate the Resistance But it could not use to measurement or source at a same time The accessories 2 pair of test lead and alligator clip 6 AAA 1 5V battery user s manual If the Calibrator is broken or short of some accessories please contact the supplier The following table has showed the
4. technical parameter and function of the Calibrator RTD Resistance Temperature Detector RTD Process Calibrator User s Manual Specification All the specification will under 1 year calibration cycle and temperature between 18 28 C except addition explain Measure input Simulate output Resistance specification Measure accuracy Simulate accuracy admit excitation Range 0 000 400 00Q 400 00 1500 00 1500 00 3200 00 Admit excitation current only apply on simulate mode The admit excitation current could be marked on the OHM meter or RTD meter which was connected to the calibrator admit excitation current 0 2mA MAX input voltage 30V RTD Process Calibrator User s Manual Measure input Simulate output RTD specification admit Accuracy C Range excitation Ca anon oom mk Pt200 385 Pt500 385 0 05 0 8 RTD Process Calibrator User s Manual Pt1000 385 0 05 0 8 maser ee se sass a is zs aae Si i ai oa os os orso Admit excitation current only apply on simulate mode The admit excitation current could be marked on the OHM meter or RTD meter which was connected to the calibrator admit excitation current 0 2mA MAX input voltage 30V General Specifications Maximum voltage applied between any jack and earth ground or between any tow jack 30V Resolution RTD 0 1 C F Resistance 0 01 0 1 Q Storage temperature 40 C 60 C Operating temperature 10 C 55 C Opera
5. ting altitude 3000 meters maximum RTD Process Calibrator User s Manual Temperature coefficient 0 01 C on 0 C 18 C and 28 C 50 C Relative humidity 95 up to 30 C 75 upto 40 C 45 up to 50 C 35 up to 55 C Shock Random 2g 5Hz to 500Hz Safety 1 meter drop test Power requirements 6 x AAA 1 5V Battery Size 205mmx98mmx46mm Weight 472 g include battery International Symbols fate Earth ground RTD Process Calibrator User s Manual eo sei ae Peer at Refer to this instruction sheet for information abo this feature Explanation on Front Panel The front panel is show as in right figure 1 4wire input jack NC on output 2 2wire input output jack 3 2wire input output jack 4 3wire input jack NC on output ff _VA720 RTD Calbrator OUTPUT 2 3W 4W 0 INPUT 30V MAX 30V Nh MAX e RTD Process Calibrator User s Manual Power key RTD mode key QF key Input Output key 9 Increase more value key wire mode select 10 Reduce more value key wire mode select a ee a 11 Increase less value key 12 Reduce less value key 13 Low power indication 14 Input state indication 15 Output state indication 16 Reading value 17 Unit indication 18 Mode indication Operation Instructions RTD measurement
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