Operating Instructions for Precision & Reference
Contents
1. Operating Instructions for Precision amp Reference Thermometers INSTRUMENT OPERATION Connect a probe via the socket located on the top of the instrument where applicable Screw the collar of the plug finger tight to ensure a secure connection do not over tighten The instrument is switched on by pressing the ON OFF button Apply the tip of the probe to the substance medium or surtace to be measured The instrument reading may take a few seconds to stabilise depending on the nature of the measurement and sensitivity of the probe HOLD Press the HOLD button to freeze the display Press again to continue measuring MAX MIN Press the MAX MIN button to display the values The instrument retains the max min values when switched off To reset press the MAX MIN button for three seconds rst will be displayed AUTO OFF The unit will switch off automatically atter 10 minutes To disable auto off press the HOLD button whilst switching on the instrument this is reset when the instrument is switched off TRIM PRECISION amp PRECISION PLUS ONLY Press the MAX MIN and ON OFF buttons at start up for five seconds to enter Offset is displayed Press HOLD up or MAX MIN down to set the trim value maximum of 2 00 C Press the ON OFF button to save the value and exit Trim mode OPEN CIRCUIT FAULTY PROBE f the probe has developed an Open Circuit fault the instrument will display Err SENSORS This instr2. gainst reference instrument s calibrated by a UKAS Accredited Calibration Laboratory PT100 to BS EN 60751 Ref 545 150 06 10 10 Thank you for reading this data sheet For pricing or for further information please contact us at our UK Office using the details below le UK Office Keison Products P O Box 2124 Chelmsford Essex CM1 3UP England Tel 44 0 1245 600560 Fax 44 0 1245 808399 Email sales keison co uk Please note Product designs and specifications are subject to change without notice The user is responsible for determining the suitability of this product
3. ument should only be used with PT100 platinum resistance probes O C 100 Q BS EN 60751 fitted with suitable miniature plug where applicable BATTERY REPLACEMENT The instrument will display LO BAT to warn that the batteries will need changing soon The instrument continues to measure accurately but after further usage the instrument will display flat bat and shutdown Replace the batteries with three AAA batteries located under the rear cover that is held in place by a single screw GUARANTEE This instrument carries a two year warranty against defects in either components or workmanship During this period products that prove to be defective will at the discretion of ETI be either repaired or replaced without charge This warranty does not apply to probes where a six month period is offered The product warranty does not cover damage caused by fair wear and tear abnormal storage conditions incorrect use accidental misuse abuse neglect misapplication or moditication Full details of liability are available within ETl s Terms amp Conditions of Sale at www etiltd com terms In line with our policy of continuous development we reserve the right to amend our product specitication without prior notice INSTRUMENT RECORD CARD model order code Precision 222 053 Precision Plus 222 051 Reference 222 055 0 C 100 C serial no calibrated by date This instrument has been checked or calibrated a
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