PCE Instruments TUM 20 Operation Manual Download Page 11

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b. Press " CAL Button " ( 3-5, Fig. 1 ) continuously

(at least 3 seconds ) until the Display show the text
" CAL " then release the button.

CAL

Fig. 5-1

ntu

c. After the LCD show above Fig. 5-1, wait a while

the display will show

0.00

CAL

ntu

Now the meter is ready for the " 0 NTU " calibration

d. Press " CAL Button " ( 3-5, Fig. 1 ) once, the

Display will show following text with flashing ( approx.
10 seconds ).

flashing

CAL

0.0

ntu

Summary of Contents for TUM 20

Page 1: ...DITY METER marks a step forward for you into the field of precision measurement Although this CHLORINE METER is a complex and delicate instrument its durable structure developed Please read the follow...

Page 2: ...X MIN Button 3 3 9 Testing bottle with 0 NTU standard solution 3 3 10 Testing bottle with 100 NTU standard solution 3 3 11 Empty testing bottle 1 3 3 12 Empty testing bottle 2 3 3 13 Battery Compartme...

Page 3: ...cy provides special functions and features Battery operated for field and on site testing convenience Data hold function for freezing the desired value on display Records Maximum and Minimum readings...

Page 4: ...umidity Power supply DC 1 5 V battery UM4 AAA x 6 PCs or equivalent Power current Stand by Approx DC 3 5 mA Testing Approx DC 36 mA Weight 320 g 0 70 LB Battery is included Dimension 155 x 76 x 62 mm...

Page 5: ...n 3 5 TEST CAL Button 3 6 Power Button 3 7 ZERO Button 3 8 REC Button MAX MIN Button 3 9 Testing bottle with 0 NTU standard solution 3 10 Testing bottle with 100 NTU standard solution 3 11 Empty testi...

Page 6: ...edge of the Container Fig 2 1 There is a White mark on the edge of the Container 3 2 Fig 1 and also on the up position of Testing Bottle 3 9 3 10 3 11 3 12 Fig 1 refer Fig 2 2 When make the measureme...

Page 7: ...Fig 1 Attention Model 0601 It should fill the 10 mL measurement liquid capacity until its level up to the level marker of the Testing bottle 2 Insert the Testing bottle to the bottom of Container 3 2...

Page 8: ...with default the zero procedures are Press the ZERO Button 3 7 Fig 1 continuously until the display show zero value then release the finger from the button Remark The zero function can be executed wi...

Page 9: ...ear on the display If intend to delete the minimum value just press the Hold Button 3 4 Fig 1 once then the display will show the REC symbol only execute the memory function continuously 5 CALIBRATION...

Page 10: ...y due to it may generate the Air bubble and let the solution existing not accurate value 5 The buttons that will be used during the Calibration procedures Escape button select button Fig 1 3 4 Hold Bu...

Page 11: ...then release the button CAL Fig 5 1 ntu c After the LCD show above Fig 5 1 wait a while the display will show 0 00 CAL ntu Now the meter is ready for the 0 NTU calibration d Press CAL Button 3 5 Fig 1...

Page 12: ...on When finish the 0 NTU calibration procedures and the Display show 100 CAL ntu The meter is ready for 100 NTU calibration Insert the 100 NTU standard solution into the Container 3 2 Fig 1 and envelo...

Page 13: ...cute the execute the Calibration clear procedures Section 6 may can fix the problem 6 CALIBRATION CLEAR Execute the calibration procedures will clear all the calibration value Section 5 the system wil...

Page 14: ...he meter is ready for CAL ntu the Calibration clear Press CAL Button 3 5 Fig 1 once the Display will show following text with flashing approx 10 seconds flashing CAL CLr Then the LCD display will retu...

Page 15: ...fter low battery indicator appears before the instrument become inaccurate 2 Loss the Battery Cover Screws and slide the Battery Cover 3 13 Fig 1 away from the instrument and remove the battery 3 Repl...