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Summary of Contents for Environmental Express DO1000
- Page 1 DO1000 Portable Optical DO Meter 35643-20, 35643-30 Kit Instruction Manual Environmental Express www.environmentalexpress.com...
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Page 2: Table Of Contents
Table of Contents Brief Introduction ------------------------------------------------------------------------------------------- Technical Specification -------------------------------------------------------------------------------------- Instrument Description ------------------------------------------------------------------------------------ 3.1 LCD display ---------------------------------------------------------------------------------------------------- 3.2 Keypad functions --------------------------------------------------------------------------------------------- 3.3 Display mode-------------------------------------------------------------------------------------------------- 3.4 Other functions ----------------------------------------------------------------------------------------------- 4. Optical DO Electrode -------------------------------------------------------------------------------------- 4.1 Probe structure --------------------------------------------------------------------------------------------- 4.2 Probe maintenance ---------------------------------------------------------------------------------------- 4.3 Optical sensor cap ----------------------------------------------------------------------------------------- 5. -
Page 3: Brief Introduction
1 Brief Introduction Thank you for purchasing Environmental Express Portable Optical Dissolved Oxygen Meter. This meter adopts luminescence technology through an optical sensor and displays data with intelligent instrumentation. Compared to conventional polarographic dissolved oxygen meter, the meter is more accurate, stable and easier to use. To improve instrument performance constantly, we reserve the right to change the manual and accessories without giving notice in advance. -
Page 4: Technical Specification
2 Technical Specifications Technical specifications Range (0 ~ 20.00) mg/L(ppm),(0 ~ 200.0)% Resolution 0.01/0.1 mg/L(ppm), 0.1/1 % Accuracy ±2% reading or ±2% saturation, whichever is greater ±2% reading or ±0.2 mg/L, whichever is greater Response time ≤30s(77°F/25°C, 90% response) Calibration points Saturation point &... -
Page 5: Keypad Functions
3.2 Keypad functions Short press ----- <2 seconds; Long press ----- >2 seconds. Diagram-2 Table -1 Keypad operations and descriptions Keypad Operations Descriptions ⚫ Press this key to turn on/off the meter. Short press ⚫ Short press to select measuring unit: mg/L(ppm)→ %. Short press ⚫... -
Page 6: Other Functions
3.3.2 Display mode of stable reading When the reading is stable, the stable icon displays on LCD. Please do not get the reading or calibrate before the smiley icon stays on LCD. 3.3.3 Automatic lock-up Select from parameter setting P6.2 to set up automatic lock-up mode (Off-On), select On to turn on lock-up. -
Page 7: Optical Do Electrode
1. Bottom cover of the calibration sleeve 5. Locking cap 2. Sponge for water storage 6. Optical DO electrode 3. Sensor cap 7. O-ring 4. Calibration sleeve Immersion line: The tested solution should be above this line 4.2 Probe maintenance The sensor cap of the optical DO electrode must be kept in a moist environment. -
Page 8: Optical Sensor Cap
4.3 Optical sensor cap 4.3.1 The sensor cap is a key part of the optical DO probe. The surface coating of the cap cannot be scratched or mechanically worn. Otherwise, the service life of the sensor cap will be reduced or the probe will be damaged. -
Page 9: Do Calibration
necessary, calibrate it according to standard value measured by aneroid barometer. Refer to parameter setting P4.3 for the procedure of aneroid barometer calibration. 5.2.5 Salinity compensation The instrument has manual salinity compensation. It is set in the parameter P4.2 (0 to 45 ppt). To obtain accurate readings in mg/L and ppm, it is necessary to know the salinity of the test sample and input salinity value into the instrument. -
Page 10: Measurement Of Water Samples
its calibration data for a few months. However, for optimal accuracy, it is recommended that the oxygen saturation calibration be performed according to section 5.3.1 before use every day. b) Drying of the surface coating of the sensor cap can adversely affect the stability of the measurement. Please pay special attention to this situation. -
Page 11: Main Menu Of Parameter Setting
Sub-menu of basic parameter setting P6.1 Temperature unit P6.2 Automatic lock-up P6.3 Select backlight timing P6.4 Automatic power-off Diagram - 10 6.2 Main menu of parameter setting Press in P4.0 mode, the meter enters submenu of DO parameter setting P4.1, press to switch among P4.1→P4.2→…→P4.5. -
Page 12: What's In The Kit
10-20-30-Off, press to confirm. Select off to turn off automatic power-off, the time unit is minute. 2. Press to return. 7 What’s in the Kit? DO1000 Content Quantity 35643-30 35643-20 √ √ DO1000 portable optical DO meter - 10 -... -
Page 13: Troubleshooting
√ √ DO802optical DO electrode √ √ Instruction manual √ Carrying case √ Paper box 8 Trouble Shooting Error Solutions 1. The battery is not installed correctly. Check the direction. The meter does not 2. Battery low voltage, replace the battery. turn on 3. -
Page 14: Warranty
Environmental Express, any malfunctioned or damaged product attributable to responsibility of Environmental Express, for a period of THREE YEARS for the instrument, TWO YEARS for the optical probe (excluding the sensor cap) and ONE YEAR for the sensor cap. - Page 15 Appendix – 2Icons and Abbreviation Mode Prompts Abbreviation Stand for Explanation P4.1 Resolution Resolution Manual or automatic P4.2 Manual/Automatic salinity compensation P4.0 P4.3 Air pressure Air pressure adjustment P4.4 Unit DO unit P4.5 Factory default setting Factory default setting P6.1 Unit Temperature unit P6.2...
- Page 16 71.6/22.0 8.74 8.30 7.87 7.47 7.09 6.72 73.4/23.0 8.58 8.14 7.73 7.34 6.96 6.61 75.2/24.0 8.42 7.99 7.59 7.21 6.84 6.50 77.0/25.0 8.26 7.85 7.46 7.08 6.72 6.39 78.8/26.0 8.11 7.71 7.33 6.96 6.62 6.28 80.6/27.0 7.97 7.58 7.20 6.85 6.51 6.18 82.4/28.0...
- Page 17 Environmental Express 2345A Charleston Regional Parkway Charleston, South Carolina 29492 Toll Free: 800-343-5319 Technical Support: 800-745-8218 Email: tech@environmentalexpress.com Website: www.environmentalexpress.com - 15 -...
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