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EN-20

ST400 & ST400M Portable Meter

ST400 pH

：

Digital measuring range

-2.00

～

16.00 pH

-1999

～

1999 mV

-5 °C

～

110 °C

Resolution

0.01 pH
1 mV
0.1 °C

Error limits

± 0.01 pH
± 1 mV
± 0.5 °C

Buffer groups

Calibration

1-5 point

Memory

1000 pH measurement results
Last 5 calibration data of 6 electrodes

Power supply

Rechargeable lithium battery, 2600mAh

Size/weight

100W x 230 L x 35 H mm / 0.35 kg

Display

Dot matrix,LCD

IP protection

IP67

pH Input

IP67 BNC, impedance > 10e+12 Ω

Temperature Input

IP67 Cinch, NTC 30 kΩ

Communication output

Micro-USB

Temperature-compensation

ATC & MTC

Housing

ABS/PC

ST400M Multi-parameter meter
Measurement technical specification (pH)

：

Measurement technical
specification

Measurement range of digital unit: (-2.00 -16) pH
Measurement range: (0~14) pH, (-1999 ~ 1999) mV
Instrument level: 0.5

Содержание ST400

Страница 1: ...00 Portable pH Meter and ST400M Portable Multi Parameter Meter Instruction Manual 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot c...

Страница 2: ......

Страница 3: ...3 3 2 Performing 1 point calibration 14 3 3 3 Performing Multi point calibration 14 3 4 pH measurement 14 3 4 1 pH measurement 14 3 4 2 mV measurement 15 3 4 3 Temperature measurement 15 3 5 Conductiv...

Страница 4: ...5 2 Compliance 23 6 Appendix 24 6 1 Table 1 BUFFER GROUP 24 6 2 Table 2 Examples of temperature coefficients value 26 6 3 Table 3 Conductivity standards 27...

Страница 5: ...ing a clear reading Multiple sets of pH buffer groups and multiple conductivity standards adaptable to your different needs Work with Ohaus IP67 pH electrode and conductivity electrode truly waterproo...

Страница 6: ...e the equipment in hazardous or unstable environments Disconnect the equipment from the power supply when cleaning Use only approved accessories and peripherals When shipping or transporting this prod...

Страница 7: ...and controls Connections Only applies to ST400M pH Displays 1 User ID 2 Sample ID 3 Battery status icon 4 Endpoint mode 5 Electrode slope and offset 6 pH 7 ATC or MTC temperature 8 mV 9 Calibrated pH...

Страница 8: ...mode 5 Cell constant K and temperature correction coefficient value 6 Reference temperature 7 Conductivity TDS Salinity Resistivity 8 ATC temperature 9 Calibrated conductivity point 10 Date and time T...

Страница 9: ...turn off Start calibration Start or stop measurement Store current reading to memory Scroll up through the memory Switch pH and conductivity confirm setting Enter setup mode Increase value during set...

Страница 10: ...ctrodes In addition to ST400 B content ST400 F package also include the electrode and buffer powder In addition to ST400 F content ST400 G also includes a portable bag STARTER 400 B Units Remarks ST40...

Страница 11: ...ic flask You can also order the bottled buffer solution from Ohaus Additional electrodes solutions accessories and spare parts are available Please contact Ohaus for more details STARTER 400M B Units...

Страница 12: ...computer The normal full charging time is about 8 hours and the red light in upper left corner will turn into a blue light when the battery is full CAUTION This product contains a lithium ion battery...

Страница 13: ...The menus of first and secondary directory for STARTER 400 400M Setup System settings User ID Sample ID Language Date Time Backlight Beep Auto power off pH Settings Temperature compensation Temperatur...

Страница 14: ...tters The user can change the ID according to the method mentioned above Language system is built in with six languages English German French Spanish Italian Chinese press button and button to select...

Страница 15: ...nual end point mode In the manual end point mode the meter will always show measuring before pressing the measure button If reading is no longer changed by artificial judgment then press button to con...

Страница 16: ...to enter sensor management to review create or delete electrode ID pH electrode or conductivity electrode can set five IDs and one default ID The calibration data is stored according to the electrode...

Страница 17: ...dard and the buffer value will be automatically recognized during calibration The 6 predefined buffer groups are at 25 C For example after the sixth group is selected the meter uses the data in the fo...

Страница 18: ...to the measurement screen Note With the 1 point calibration only the offset is adjusted If the sensor was previously calibrated with multi point calibration the stored slope will remain Otherwise the...

Страница 19: ...rocedure as for pH measurement to perform a mV measurement For the ORP redox potential it is necessary to connect with the ORP electrode such as STORP1 to measure the corresponding mV value 3 5 3 Temp...

Страница 20: ...ectrode is connected to the meter press the calibration when the electrode is in the air then the meter will always show sometimes there is an error message indicating that the value is out of range F...

Страница 21: ...M1000 is displayed FUL displays to indicate the memory is full To store further data you will have to clear the memory 3 8 2 Review from memory Press and hold the button to enter setup mode press but...

Страница 22: ...ect and fresh Clean or replace the pH electrode Error 6 Meter cannot recognize the buffer Make sure the buffer is correct and fresh check if the buffer has not been used more than once Error 9 The cur...

Страница 23: ...r acetone or a soap solution After electrode treatment a new calibration should be performed If the electrode slope is still not acceptable the electrode might need to be replaced For conductivity ele...

Страница 24: ...pply Rechargeable lithium battery 2600mAh Size weight 100W x 230 L x 35 H mm 0 35 kg Display Dot matrix LCD IP protection IP67 pH Input IP67 BNC impedance 10e 12 Temperature Input IP67 Cinch NTC 30 k...

Страница 25: ...Rechargeable lithium battery 2600mAh Size weight 100W x 230 L x 35 H mm 0 35 kg Display Dot matrix LCD IP protection IP67 pH Input IP67 BNC impedance 10e 12 Temperature Input IP67 Cinch NTC 30 k Comm...

Страница 26: ...110 C Resolution Auto range 0 1 C Error limits 0 5 F S 0 3 C Calibration 1 point 5 predefined standard solution Power supply Rechargeable lithium battery 2600mAh IP protection IP67 Interface IP67 8pi...

Страница 27: ...to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates...

Страница 28: ...C pH2 00 pH4 01 pH7 00 pH9 21 pH11 00 5 2 02 4 01 7 09 9 45 11 72 10 2 01 4 00 7 06 9 38 11 54 15 2 00 4 00 7 04 9 32 11 36 20 2 00 4 00 7 02 9 26 11 18 25 2 00 4 01 7 00 9 21 11 00 30 1 99 4 01 6 99...

Страница 29: ...004 6 950 9 392 13 207 10 1 670 4 001 6 922 9 331 13 003 15 1 672 4 001 6 900 9 277 12 810 20 1 676 4 003 6 880 9 228 12 627 25 1 680 4 008 6 865 9 184 12 454 30 1 685 4 015 6 853 9 144 12 289 35 1 6...

Страница 30: ...0 1 56 KCl 10 1 88 CH3COOH 10 1 69 NaCl 10 2 14 H2SO4 10 1 28 HF 1 5 7 20 coefficients of conductivity standards for a calculation to a reference temperature of 25 C Standard Measurement temp 15 C Mea...

Страница 31: ...LIMITED WARRANTY Ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration of the warranty period During the warranty period Ohaus will r...

Страница 32: ...aus Corporation 30393250 PN 30393250 C Ohaus Corporation 2018 all rights reserved 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot c...

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