PH&ORP Meter CT-6821

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Description

Product Detail

FEATURES

* 0 to 14.00 pH/0 to ±500mV	* LCD display with pH and temp. OR ORP and temp.
* Pen type digital pH& ORP meter, all in one, Electrode is included, easy for general purpose application	* Data hold function for freezing the desired value
* Water proof and protection	* Auto power off in 5 minutes
* pH 4.01, pH 6.86 and pH 9.18 standard solution are standard accessories	* Compact size, light weight.
* Easy to change the pH electrode	* Power supply by DC 1.5 V battery (LR44, BAT ) x 3 PCs
* Build in temperature sensor, ATC (auto temperature compensation)	*?/ ? Interchangeable
* Three point calibration for pH 4.01, pH 6.86 and pH 9.18	* Already calibrated, can be used directly

SPECIFICATIONS

Display	LCD, size : 20 mm x 27 mm. Consumption
Measurement Range	pH	0 to 14 pH	ORP	±500mV
Resolution	pH	0.1 pH	ORP	±2mV
Accuracy	pH	± 0.1 pH * After calibration	ORP	±5mV
pH Calibration	pH4.0,pH6.8, pH9.1, Three Point Calibration
Temp. Display	0.1?/1?
Temp. Accuracy	2?/5?
Working Temp. Range	0 ~ 50?(32 ~ 122?)
ATC	0 ~ 50?(32 ~ 122?)
Dimension	188 x38 mm * Meter with the electrode
Weight	90 g (included electrode)

*Power ON/OFF Feature
1. Press ON/OFF key to turn the Meter on and off.
2. The Meter will shut off automatically if there is no operation in 5 minutes.
*Self- Checking Feature (Executing the function automatically after the meter is power on each time)
1. Press the ON/OFF key to turn on the meter, Self- Checking programme will be auto-started with Full screen display.
2. the type of the meter will be displayed: 6821, then , the meter is ready for use.
3. the default mode is pH mode after the date of the manufacture.
4. The test mode will be same with the previous use.
*pH Mode
1. Press the ON/OFF key for 3 seconds, until the "pH"display on the screen.
2. Then press CAL to confirm, and the meter is ready to test in pH mode.
* ORP Mode
1. Press the ON/OFF key for 3 seconds, until the "pH"display on the screen.
2. Press HOLD key to select "ORP"on the screen.
3. Then press CAL to confirm, and the meter is ready to test in ORP mode.
* Backlight Mode
1. Press the ON/OFF key for 3 seconds, until the "pH"display on the screen.
2. Press HOLD key to select "LED"on the screen.
3. Then press CAL to confirm the backlight mode.
4. Power off the meter to close the backlight mode.
* Hold Feature
Press HOLD to freeze the current reading, and 'HOLD' will be appeared on the LCD. Press HOLD again to release the hold mode.
*Restore factory defaults
1. If the meter is out of order, Press the HOLD key for 3 seconds, until the "CLR"display on the screen, release the HOLD key and the factory setting is ready.
2. The meter needs to recalibration for pH measurement after the factory setting, but can be used directly for ORP measurement.
* Automatic temperature compensation (ATC)
The product is capable of measuring with automatic temperature compensation when "ATC" displays on the screen.
*?/? Interchangeable
The default mode is ?, press CAL key to switch to ?.
*Overrage Reminder
There will be "1- - .-"on the display if the pH value is under 0 or over 14;
There will be "1- - .-"on the display if the ORP value is under -500mV or over +500mV;
There will be 'L' or 'H' on the temp. display area if the temperature is under 0? or over 50?.
*Low Voltage Reminder
The battery sign will be appeared on the display when battery replacement is needed.