F999-L: Feature: 1. Durable Iron Material: The water pipe leakage detector is made of premium iron material, which is wear resistant and durable, and has a long service life. 2. 4 Frequency Mode: The frequency is divided into 1 to 4 files, 200HZ3000HZ continuously adjustable. The appropriate frequency can be selected according to the specific environment. 3. Sensitivity Adjustment: The screen displays the sensitivity adjustment knob, turn it clockwise to increase the sensitivity, and turn it counterclockwise to decrease the sensitivity. 4. Working Conditions: The operating current is 60 mA and the voltage is 9 volts. Operating temperature is 10 to +50, working time over 30 hours. 5. Scope of Applications: This iron leakage detection tool is used to detect pressurized pipes, indoor and outdoor floor heating, dark pipes, water pipes, fire water pipes and floor heating. Specification: Item Type: Electronic Detector Material: Iron Gross Weight: 3550g / 125.2oz Voltage: 100-240V Host Product Size: 14x8x3CM / 5.5x3.1x1.2in Battery (shipped with built in battery): Lithium ion battery, model 523412, 8.4V capacity 1000ma/h Measurement Object: Pressurized pipeline Magnification: 0-100dB adjustable. Frequency Binning: 1-4 files 200HZ-3000HZ continuously adjustable. Working Current: 60mA Voltage: 9 volts Operating Temperature: -10- +50 Working Hours: > 30 hours Package List: 1 x Water Leakage Detector Host 2 x Sensor 1 x Listening Handle 1 x Earphone 1 x Charger 1 x Portable Aluminum Box 1 x English Manual Note: 1 Do not put water into the instrument 2 Do not disassemble and touch the internal components at will 3 Do not vibrate strongly 4 When not in use for a long time, it should be stored in the instrument packing box 5 Turn off the power while charging to avoid damage to the instrument. How to use: Sensorhandle:Whenthesensormoves,thesoundofpressingthebuttondisappears,avoidingstrongsoundimpacttoprotecthearing.(Silenceswitch:Thesoundintheearphonedisappearswhenpressed,andthesoundreturnswhenitislifted.) Portablesensor:indoordedicatedsensor,whichcanbeselectedandusedaccordingtothesizeoftheindoorspace. F-999E: Features Good Features: Equipped with LCD, noise reduction switch (bounce to filter some noise), switch, headphone jack, charging jack and sensor jack. On Screen Display Knob: Turn counterclockwise to decrease display sensitivity, and clockwise to increase display sensitivity. Reliable Performance: Frequency selection switch (200300Hz). Volume adjustment knob. Sensor handle with switch control design, easy to use. Battery Type and Host Size: Lithium ion battery, model 523412, 8.4V, capacity 1000mAh. Host size is18.5x11.3x8.5cm / 7.3x4.4x3.3in. Product Parameters: The magnification is adjustable from 0100dB. Frequency binning 14 files 200HZ3000HZ continuously adjustable. Working current 60mA. Specification Item Type: Electronic Detector Material: Iron Color: As Pictures Shown Weight: Approx. 6.250kg / 13.85lb Voltage: 100-240V Measurement Object: Pressurized Pipeline Battery: Lithium ion Battery, Model 523412, 8.4V Capacity 1000mah (Shipped with Built in Battery) Host Product Size: Approx. 18.5x11.3x8.5cm / 7.3x4.4x3.3in A: The magnification is adjustable from 0-100dB. B: Frequency binning 1-4 files 200HZ-3000HZ continuously adjustable. C: Working current 60mA D: Voltage 9 volts E: Operating temperature -10~+50 F: Working time > 30 hour How to Use Sensor handle: When the sensor is moved, the sound of pressing the button disappears to avoid strong sound impact to protect hearing. 1: Outdoor sensor selection switch, press 0 to turn on the normal sensitivity sensor in the sensor, press to turn on the high sensitivity sensor in the sensor. 2: The switch, the sound in the earphone disappears when it is pressed, and the sound recovers when it is bounced. External sensor: special for outdoor pipeline detection, built in ordinary sensor and high sensitivity sensor, select high sensitivity sensor to detect deeper water leakage points. Listening rod: used with external sensor, it can be inserted into soft soil to achieve better listening effect. Indoor sensor: indoor special sensor, which can be selected and used according to the size of the indoor space. When using the indoor sensor, press the handle selector switch to the 0 position. Package List 1 x Water Detector Host 1 x Storage Handbag 1 x External Sensor 2 x Indoor Sensor 1 x Sensor Handle 1 x Headphone 1 x Charger 1 x Portable Aluminum Box 1 x English Manual 1 x Listening Rod 1 x Adjustable String Note: The high sensitivity sensor can only be connected in a quiet environment, and the noisy environment is easily disturbed. 1 Do not put water into the instrument. 2 Do not disassemble and touch the internal components at wi