Drawell Jenco Vision Plus EC331 Operation Manual Download Page 3

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INITIAL INSPECTION AND ASSEMBLY

Carefully unpack the instrument and accessories. Inspect for

damages made in shipment. If any damage is found, notify your

Drawell

representative immediately. All packing materials should

be saved until satisfactory operation is confirmed.

VISIONPLUS EC 331 OVERVIEW

A. Meter Description

1. Battery cover

2. LCD screen
3. Keypad
4. Electrode collar
5. Electrode & ATC assembly

(Electrode cap is not shown.)

B. LCD Display

2
3

8
9

1. LOW BATTERY indicator
2. CALIBRATION mode indicator
3. MEASURE mode indicator
4. HOLD mode indicator

Hold

Cal

M ode

331

VisionPlus

Summary of Contents for Jenco Vision Plus EC331

Page 1: ...Operation Manual MODEL EC331 Microcomputer Based Conductivity Resistivity Temperature Pocket Meter EC331...

Page 2: ...ypad Operations 3 BEFORE YOUR FIRST USE 4 A Insert Batteries 4 B Soak the Electrode 4 C Preparing Standard Solutions 4 D Setup and Calibrate the Electrode and Meter 5 USING VISIONPLUS EC331 5 A Power...

Page 3: ...materials should be saved until satisfactory operation is confirmed VISIONPLUS EC 331 OVERVIEW A Meter Description 1 Battery cover 2 LCD screen 3 Keypad 4 Electrode collar 5 Electrode ATC assembly Ele...

Page 4: ...ments 2 Calibration Mode Calibration Mode is used to perform one point calibration 3 Hold Mode Hold Mode is used to display the locked reading for increased ease of use B Keypad Operations Key Operati...

Page 5: ...is the 147 0uS standard solution the user can prepare to calibrate the probe of the model EC331 Standard solution of 147 0uS at 25 Accurately measure 100mL of the 1413uS conductivity standard solution...

Page 6: ...ly in distilled water and immerse them in the standard solution of 147uS The temperature displayed is the solution temperature 2 Press Cal key to initiate calibration The CAL icon will appear when the...

Page 7: ...led water for 10 minutes and recalibrate the EC331 following the instructions detailed in section USING VISIONPLUS EC331 REPLACE THE OLD BATTERIES Replace the battery when the blinking low battery ind...

Page 8: ...ure Replace electrode ATC assembly OVER 60 0 99 5 C Measure Temperature 60 0 C over the temperature compensation range Bring solution to a lower temperature OVER 0 0 60 0 C Measure The conductivity va...

Page 9: ...mperature Range Resolution Accuracy 0 0 to 99 5 C 32 to 212 F 0 5 C 1 F 0 5 C 1 F Conductivity Temperature compensation Temperature Coefficient Reference temperature AUTO 0 0 C to 60 0 C 1 91 C 25 C T...

Page 10: ...product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charge basis RETURN OF ITEMS Authorization must be obtained from one of our representatives befor...

Page 11: ...Technology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1506 Lane581 XiuChuan Rd PuDong New Area Shanghai China Tel 0086 21 50966080 Fax 0086 21 50966080 Web www drawell com cn Emai...