TESTO 312-4 Instruction Manual Download Page 38 | Manualshive

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TESTO 312-4 Instruction Manual Download Page 38

0970 3126 en 06 V01.05

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Summary of Contents for 312-4

Page 1: ...testo 312 4 Pressure measuring instrument Instruction manual...

Page 2: ...2...

Page 3: ...eps 14 6 Using the product 15 6 1 Performing settings 15 6 1 1 Location 16 6 1 2 Memory 16 6 1 3 Instrument 18 6 1 4 Service 19 6 1 5 Input 21 6 1 6 Gas type 23 6 2 Measuring 23 6 2 1 Important inform...

Page 4: ...1 Contents 4 7 Maintaining the product 33 8 Tips and assistance 34 8 1 Questions and answers 34 8 2 Accessories and spare parts 34...

Page 5: ...ubsequent users of the product Symbols and writing standards Representation Explanation Warning advice risk level according to the signal word Warning Serious physical injury may occur Caution Slight...

Page 6: ...maintenance and repair work on this instrument that is described in the documentation Follow the prescribed steps exactly Use only original spare parts from Testo Temperatures given on probes sensors...

Page 7: ...essure at gas meter Monitoring of gas flow pressure at gas meter Setting the nozzle pressure for setting gas burners heaters Water pipes Leak test of wastewater disposal lines in acc with DIN EN 1610...

Page 8: ...ace Infrared Measurement data memory approx 25000 readings Battery running time in continuous operation with internal pressure sensor 30 h with alkali manganese at 25 C 77 F Sensor piezoresistive Stor...

Page 9: ...tions 1 IR interface for protocol printer 2 Keyboard Key Function Print Select reading 1 top line select menu item Switching on off Saving data Open menu level confirm selection execute function Zero...

Page 10: ...onnections Connection Function 1 Socket 1 Thermocouple probe type K NTC probe pressure probe 2 Socket 2 Thermocouple probe type K NTC probe pressure probe RS 232 PC connection 12 V DC 12 V DC mains un...

Page 11: ...e cleared Lights up printing possible Flashes print function activated Rechargeable battery battery charge level The black segments go out with a decreasing residual capacity Flashes Battery rechargea...

Page 12: ...on the function Level 1 Level 2 Level 3 1 Measurements 11 Pretest 12 LeakRate 13 Maintest 2 Location 3 Memory 31 Man Auto 32 Config 33 Print 34 Status 35 Delete 4 Instrument 41 Time 42 Auto Off 43 Un...

Page 13: ...asic properties Voltage supply The power can be selectively supplied to the testo 312 4 via 9 V monobloc battery type IEC 6LR61 included in delivery 9 V monobloc rechargeable battery type NiMH IEC 6F2...

Page 14: ...are secure but do not use force Connect thermocouple probe type K NTC probe pressure probe at socket 1 and socket 2 Connect pressure tubes to and Caution Danger of injury caused by the pressure tube j...

Page 15: ...ected externally the measurement of the internal sensor is deactivated Left probe socket upper line Right probe socket lower line p With or calculated differential pressure pressure temperature is dis...

Page 16: ...location is created when the unit is first commissioned Up to 98 additional locations can be added 4 Confirm the selection with 6 1 2 Memory 1 Use or in main menu to select Memory and confirm selecti...

Page 17: ...g or Hold the key down to go forward back quickly The duration of the measurement series is displayed in the upper line for your information 4 Confirm the selection with Set Fast measurement program i...

Page 18: ...n menu to select Device and confirm selection with 2 Select the required function menu with or and confirm with 3 Use to activate setting mode Time Time and date can be set 1 Set hour with or hh Hold...

Page 19: ...ative pressure probes with measuring range 1 to 25 bar C F temperature 1 Select ISO US with or and confirm the selection with 2 Select ISO or US with or and confirm selection with 3 Select P Low P Hig...

Page 20: ...chBatt if a rechargeable battery is actually fitted in the instrument Select Battery or RechBatt using or and confirm selection with Factory reset The instrument settings can be reset to the condition...

Page 21: ...function with or 3 Use to activate setting mode Pretest LeakRate Maintest The stabilization time slowdown time before the test time and the measurement period test time can be set for the pretest lea...

Page 22: ...m can be entered from which three partial volumes can be calculated The performance volume is calculated by adding the three partial volumes together 1 Use or to select Circle 1 2 Confirm the selecti...

Page 23: ...gas Nat gas or Air with or 4 Confirm the selection with 6 2 Measuring 6 2 1 Important information for pressure measurement Temperature fluctuations and positional changes have an effect on the accurac...

Page 24: ...g with pressure test set by plugging it into the single valve stop Caution Damage to the sensoring technology in the event of exceeding the permissible pressure Do not subject the measuring instrumen...

Page 25: ...6 Using the product 25 Pretest and high pressure at water pipes 1 High pressure probe 2 Pressure test set 3 High pressure stage stop 4 Compressor...

Page 26: ...and there must be a differential pressure of 2 5h Pa Please refer to the instruction manual of the pressure probe for the zeroable range of the external pressure probes Zero the display values of the...

Page 27: ...t measurement is only possible with pressure probes or an internal pressure sensor Only 1 channel can be evaluated and the following sequence applies external pressure sensor before internal pressure...

Page 28: ...as the following measuring functions Hold value Hold The last readings are held in the display Display maximum value Max The highest readings since the start of measurement are displayed Display minim...

Page 29: ...with 1 bar and the pressure may not drop within 10 minutes The measurement is performed using a high pressure probe 25 bar The main test using air or inert gas e g CO2 or N2 is used for the leak test...

Page 30: ...ime with or and confirm with 5 Select Meastime with or and confirm with 6 Set Meastime with or and confirm with 7 Confirm Finish message with Begin measurement procedure 1 Open the stop valve of the p...

Page 31: ...itres per hour at operating pressure According to the degree of usability the following measures must be carried out 1 If there is unlimited usability the pipes can still be used 2 If there is diminis...

Page 32: ...Hold the key down to go forward back quickly 9 Confirm the selection with 10 To set other values Length 1 for first partial volume Circle 2 und Length 2 for second partial volume Circle 3 and Length 3...

Page 33: ...g process if a rechargeable battery is in the instrument and the battery type is set to RechBatt 1 Check if a rechargeable battery is in the instrument 2 Check if the battery type is set to RechBatt 3...

Page 34: ...y save the readings PC software printout 8 2 Accessories and spare parts Description Article no testo 316 1 gas leak detector 0632 0316 Differential pressure probe 100 Pa 0638 1347 Differential pressu...

Page 35: ...two or more pipes 0554 3161 Single valve stop for blocking off the pipe 0554 3162 Conical test stop 1 2 0554 3151 Conical test stop 3 4 0554 3155 High pressure stage stop 3 8 and 3 4 0554 3163 High p...

Page 36: ...tance 36 Description Article no TopSafe for testo 312 4 0516 0446 Magnetic holder for TopSafe 0554 0225 Easyheat PC software 0554 3332 RS232 cable connecting measuring instrument to PC 0409 0178 Syste...

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