Extech Instruments CT-3060 Скачать руководство пользователя страница 12

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Specifications

General Specifications

Measurement ranges

Conductivity: 0 to 1999µS and 0 to 19.99mS

TDS: 0 to 1999ppm and 0 to 19.99ppt

Accuracy

Conductivity and TDS: 1% Full Scale ±1digit

Resolution

Conductivity: 1µS and 0.01mS

TDS: 1ppm and 0.01ppt

Temperature Accuracy

±0.5°C

Temperature Resolution

0.1°C/°F

Calibration

One point calibration per range

Auto Power OFF

After 20 minutes of inactivity

Data Hold

Freezes displayed reading

Automatic Temperature Compensation (ATC): 0 to 50°C
Waterproof IP65

rated

TDS Factor

Selectable from 0.40 to 1.00

Temperature Coefficient

Selectable from 0 to 4.0%/°C

Normalization Temperature (Reference Temperature) Selectable: 20°C or 25°C
Basic status indicators

Out-of-range (----) and low battery

Power Supply

Four (4) LR44 ‘button’ batteries

Dimensions

165 x 35 x 32mm (6.5 x 1.4 x 1.3”)

Office: Jl. Radin Inten II No. 62 Duren Sawit, Jakarta 13440 - Indonesia
Workshop: Jl. Pahlawan Revolusi No. 22B, Jakarta 13430 - Indonesia
Phone: 021-8690 6777 (Hunting)

Fax: 021-8690 6777

Mobile: +62 816 1740 8925

Содержание CT-3060

Страница 1: ... Meter Pen Style Water Quality Meter Office Jl Radin Inten II No 62 Duren Sawit Jakarta 13440 Indonesia Workshop Jl Pahlawan Revolusi No 22B Jakarta 13430 Indonesia Phone 021 8690 6777 Hunting Fax 021 8690 6777 Mobile 62 816 1740 8925 ...

Страница 2: ... by four 4 LR44 batteries Supplied Materials EC150 meter Four 4 LR44 button batteries Operation manual hard copy mini disk and on line availability at www extech com Battery Installation The meter is shipped with the four 4 LR44 button batteries removed The user must install the batteries before the meter can be used Refer to accompanying diagram 1 Unscrew the battery compartment cover top of mete...

Страница 3: ...million units 5 Temperature reading 6 Temperature units of measure 7 Battery strength indicator 8 Calibration icon Keypad Description 1 Power ON OFF and SET button 2 Down Arrow Data Hold and Calibration button 3 Up arrow and MODE Button Office Jl Radin Inten II No 62 Duren Sawit Jakarta 13440 Indonesia Workshop Jl Pahlawan Revolusi No 22B Jakarta 13430 Indonesia Phone 021 8690 6777 Hunting Fax 021...

Страница 4: ...lect another range as described in the Manual Range discussion in previous paragraph Set the temperature coefficient The factory default setting is 2 1 per o C this nominal value is correct for most applications Refer to the Setup section of this User Guide for details on changing this setting Also refer to Appendix D Temperature effects for more information Set the normalization reference tempera...

Страница 5: ...tive state each time it is powered down Setup Mode Parameter P1 Temperature Units Ambient Temperature and Temperature Coefficient settings 1 From the normal operating mode press and hold the SET button for at least 2 seconds until the P1 0 icon appears on the meter display 2 Press the SET button momentarily the C or F icon should now be flashing and the t ut icon abbreviation for temperature units...

Страница 6: ...uttons to select y for YES RESET or n for NO RESET 5 Press the SET button momentarily to confirm the setting 6 Press and hold the SET button for at least 2 seconds to return to the normal operation mode or press the MODE button momentarily to move to Parameter P4 see below Parameter P4 Calibration Review for Range 1 and Range 2 Concentrations 1 If continuing from Parameter P3 skip directly to step...

Страница 7: ...ir bubbles Allow the probe to stabilize to the solution temperature 15 minutes is typical 7 Press and hold the HLD CAL button for at least 2 seconds The conductivity value and the CAL icon on the display will flash 8 Press the MODE or HLD CAL buttons to adjust the displayed conductivity value so that it matches the standard solution value normalized for the measured temperature The conductivity re...

Страница 8: ...the probe may need cleaning or the meter may require replacing For example The calibration standard is 10ppm and the detected value is 19ppm The adjustable range is 5 7ppm 19 30 In this example the values differ over the 30 limit 9 When the CAL icon stops flashing press the SET button momentarily to confirm the value The meter will then return to the TDS measurement mode TDS CALIBRATION OPTION 2 T...

Страница 9: ...air meter E04 Temperature error TDS ERRORS Measurement outside of range In Manual Range mode press and hold the up arrow for 2 seconds to change range or use the Auto Range mode E04 Temperature error TEMPERATURE ERRORS E01 Temperature circuit damaged Repair meter E02 Temperature value is below allowable range or Temperature circuit damage Check again at room temperature If error persists repair me...

Страница 10: ...ating TDS Conversion Factors This meter can be calibrated using TDS calibration standard solutions The calibration requires the TDS value at a standard temperature such as 25 C Note that the TDS calibration can be performed using the conductivity calibration detailed earlier in this user guide and thereafter using a conductivity to TDS conversion factor To determine the Conductivity to TDS convers...

Страница 11: ...ctivity at T Tref Reference temperature T Sample temperature Temperature coefficient Note The correction is accurate only within a limited temperature range near T1 and T2 the greater the difference between T and Tref the higher the risk of error Calculating Temperature Coefficient Measuring the conductivity of a sample at temperature T1 close to Tref and another temperature T2 the temperature coe...

Страница 12: ...old Freezes displayed reading Automatic Temperature Compensation ATC 0 to 50 C Waterproof IP65 rated TDS Factor Selectable from 0 40 to 1 00 Temperature Coefficient Selectable from 0 to 4 0 C Normalization Temperature Reference Temperature Selectable 20 C or 25 C Basic status indicators Out of range and low battery Power Supply Four 4 LR44 button batteries Dimensions 165 x 35 x 32mm 6 5 x 1 4 x 1 ...

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