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OPERATION MANUAL

MODEL 6250/6219 SERIES

MICRO COMPUTER BASED

PH/mV/ION/TEMP METER

JENCO

ELECTRONICS, LTD.

MANUFACTURER OF PRECISION INSTRUMENTS

Содержание 6250

Страница 1: ...OPERATION MANUAL MODEL 6250 6219 SERIES MICRO COMPUTER BASED PH mV ION TEMP METER JENCOELECTRONICS LTD MANUFACTURER OF PRECISION INSTRUMENTS...

Страница 2: ...touch keys with audio feedback buffer recognition electrode slope recognition ATC Automatic Temperature Compensation capabilities temperature measurement to 0 1 degree C visual and audio operational e...

Страница 3: ...you must replace the new batteries when OFF is display ie automatic turn OFF to prevent incorrect measurements 2 AOpen battery compartment by pushing closure up This is most easily open by using a coi...

Страница 4: ...3 Figure 1 Battery Compartment...

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Страница 8: ...9 8 conc ION Accuracy 2 LSD Resolution 0 05 conc range 0 00 to 25 00 conc 0 1 conc range 25 00 to 50 0 conc 0 2 conc range 50 0 to 119 8 conc Operating temperature 0 to 50 Power supply Six AAA batteri...

Страница 9: ...the instrument in pH or mV mode But not for ion mode 6 CLEAR key The CLEAR key is used to reset the instruments mode and clear the pH ion calibration values The CLEAR key has a delayed reaction of 2 s...

Страница 10: ...robe 1 1 Connect the pH electrode and the ATC Temp to the connectors of the instrument Refer to the Figure 2 The ATC annicator model 6250 green color ATC LED lamp model 6219 will be on Press the MODE...

Страница 11: ...ffer 7 00pH or buffer 6 86pH rinse with distilled water and immerse in buffer 4 01pH 10 01pH model 6250 model 6219 or buffer 4 00pH 9 18pH model 6250C model 6219C The instrument will display the tempe...

Страница 12: ...iator model 6250 or green color STAND LED lamp Model 6219 will start flash Per Figure 3 2 2 Rinse the pH electrode in distilled water and immerse in buffer 7 00 model 6250 model 6219 or 6 86 model 625...

Страница 13: ...the temperature of the second buffer as set in 2 5 Refer to Table 1 If the reading still drifts repeat 2 6 until a stable reading is obtained The micro computer inside the instrument will calculate a...

Страница 14: ...pH value measured is out of the 2 000 to 16 000 pH range 2 Measurement with manual temperature compensation in the pH mode 2 1 Connect the pH electrode to the connector of the instrument Refer to Fig...

Страница 15: ...rement range 5 0 to 125 0 degree C Once the temperature brought within range Er3 will disappear and the correct temperature reading will be displayed It is not necessary to press the CLEAR key Er4 wil...

Страница 16: ...s used to handle ion standards and samples should always be cleaned with deioned water Rule B THe standard solutions and samples should always be at the same temperature Rule C A magnetic stirrer shou...

Страница 17: ...20 0 conc Er2 will be display if the STAND II key is pressed before the STAND I key 1 6 For dual point standardization remove the electrodes from the dilute standard rinse with the concentrate standar...

Страница 18: ...35 4 020 6 842 6 979 9 107 9 928 40 4 030 6 836 6 973 9 074 9 891 45 4 042 6 832 6 969 9 044 9 859 50 4 055 6 831 6 968 9 017 9 831 The actual reading of the instrument can differ from the values show...

Страница 19: ...grams for each computer language and amore detailed explanation of the software driver are included in the accompanying disk PREPARING THE METER FOR OPERATIONS VIA THE RS 232C INTERFACE The Meter come...

Страница 20: ...250 MODEL 6219 RS232 PARAMETERS BAUD RATE 2400 FIXED PARITY SOFTWARE DRIVER CONTROLLED DATA BITS 8 STOP BIT 1 PROTOCOL SOFTWARE DRIVER CONTROLLED WARRANTY Jenco Instruments Ltd Warrants this product t...

Страница 21: ...will be charged on all unauthorized returns NOTE Jenco Instruments Inc reserves the right to make improvements in design construction and appearance of our products without notice JENCO INSTRUMENTS IN...