JXBS?3001?S?DOM Portable Dissolved Oxygen Detector Digital Dissolved Oxygen Analyzer Tester for

Feature: 1. [High Accuracy] Dissolved oxygen detector is sensitive, accurate in measurement, and with automatic temperature compensation. 2. [LCD Display] Dissolved oxygen analyzer with large TN LCD display, wich is simple to operate, to meet your various need. 3. [Portable] Specially designed for the convenience of users to carry to the scene and is divided into two parts, which is sensor and electronic unit. 4. [Digital Chip] Adopts extremely general coated dissolved oxygen electrode, and the electronic unit uses a detection circuit designed by a digital chip. 5. [Backlight Display] The digital tube backlight display is added, which can display the readings in real time, and the readings can still be clear under low light conditions. Specification: Item Type: Dissolved Oxygen Analyzer Material: ABS Product Length: Approx. 170mm / 6.7in Width: Approx. 78mm / 3.1in Height: Approx. 29mm / 1.1in Battery: 3 x AAA battery (Battery Not Included) Dissolved Oxygen Measurement Range: 0-20mg/L Dissolved Oxygen Acuracy: +/-3.0percent Dissolved Oxygen Resolution: 0.01mg/L Temperature Measurement Range: -45~115 celsius Temperature Resolution: 0.1 celsius Working Temperature: 5 celsius ~40 celsius Working Humidity: 0~90percent (relative humidity), non condensing Application: Laboratories, aquariums, aquaculture, rice fields, swimming poolsWeight: Approx. 640g / 22.6oz 1. Operation Panel: There is a TN LCD display on the front of the device, and there are 6 operation buttons, namely, the on off key, the Menu key, the up key, the down key, the SCANOK key and the return key 2. Button Function Description: Key Introductions Operating Mode On Off Key Used to turn on and off Long Press Menu Key Used to eliminate the alarm when the alarm is eliminated, if the value is still in the alarm range after the alarm is eliminated 120 seconds, it will alarm again Short Press Used to call up the system configuration menu, or return to the main interface in the system configuration menu Long Press Up Key On the menu, it is used to page up, or to decrease the value Short Press When inputting a value, switch to input one, ten, hundred thousand place Long Press Down Key Used in the menu to scroll down or increase the value Short Press Switch to input one, ten, hundred thousand digits when inputting a value Long Press OK Key Used to save the modified value, or enter the next level of configuration menu Short Press Return Key Used to return to the previous configuration menu without saving the modified value Short Press Turn on the backlight Long Press 3. Configuration Menu Introduction: Long press the menu button to enter the configuration menu. At this time, the dissolved oxygen and temperature values are no longer displayed on the interface, but the words ConF 001 are displayed. At this time, enter the configuration menu. Press the up or down key to select different configuration sub menus Configuration Menu Introductions Set Function ConF 000 Automatic shutdown time