The HydroTech custom NX7 is especially designed to communicate with all HydroTech, Hydrolab® / Hach® and YSI® multiprobes. The custom built-in 12volts power supply is powerful enough to power all sondes, even without internal batteries. The communication can be established via a terminal emulator or via proprietary software like Hydras Pocket 3 pocket®.   ( Hydras 3 Pocket PC Demo). 

On the terminal mode, the HydroTech custom NX7 supports all sonde menu functions, from calibration to sonde setup, just like a regular PC. (see videos below)


1- HydroTech custom NX7 communicating with HydroTech / Hydrolab® sonde via Hydras 3 pocket®

2- HydroTech custom NX7 communicating with HydroTech / Hydrolab® sonde via terminal emulator

2-  Custom NX7 communicating with a YSI® 6 series sonde via a terminal emulator:N 


NX7 comes in two configurations: NX7-B and NX7-W

NX7-B comes with all the standard options listed below: 

  • 806 Mhz Xscale processor 
  • 128 Mb Ram
  • 4 GB iNAND Flash memory 
  • GPS 
  •  WLAN b / g
  • Bluetooth 2.0  + ERD
  • G sensor   
  • Altimeter
  • Compass
  •  Integrated 3 megapixel camera with autofocus and LED Flash
  • One USB host and client.
  • One power jack
  •  One SDIO slot
  •  One 9-pin serial RS-232 connector
  • Microphone and speaker
  • Microsoft Windows® Mobile 6.1 Professional
  • IP 67
  • Operates at -30 °C to 60 °C


NX7-W : Includes all the above listed items for NX7-B plus 3G / HSDPA  and  cell phone service 

The NX7® exemplifies the evolution of handheld computers. Packed with innovative advancements in PDA technology, it surpasses everything else on the market with its mix of power, functionality and ruggedness. The NX7 can do everything you need to do – and some things you may not have even known you could do.

Performance begins with speed and power, and the NX7 offers a lively 806 MHz Xscale processor with 128 MB of onboard RAM and a generous 4 GB of Flash storage. And this field-ready workhorse will go all day and more with a 5600 mAh Li-ion battery that will operate up to 12 hours on a single charge. No other PDA provides more storage or longer standard battery life.

Nautiz-X7-rugged-PDA-in-water green

The NX7 also delivers an unprecedented package of capability. It starts with integrated SiRF Star III GPS, Bluetooth 2.0 and 802.11b/g WLAN functionality, plus a built-in 3-megapixel camera with autofocus and an LED flash. And the NX7 goes above and beyond with innovations such as 3G capability for GSM/UMTS phone and data transmission, an integrated compass and altimeter, and even a g-sensor/ accelerometer that can measure speed, vibration and rotation, opening the door to countless application possibilities. The Windows Mobile 6.1 operating system, 3.5-inch VGA touchscreen display and numeric keypad make this handheld as easy to operate as it is groundbreaking.

Of course, a tool with all these features won’t do much good if it isn’t built tough enough to take virtually anywhere. With an IP67 rating that’s unsurpassed among handheld computers, the rugged NX7 is impervious to both dust and water, and it can withstand repeated drops, vibration, and operating temperatures from -22 °F to 140 °F. It weighs in at just 17 ounces, and it’s compact enough to operate in one hand.

With a combination of features and rugged performance you can’t find in any other handheld, the  NX7 is leading the way in mobile computing. 


Size: 179 mm (7") x 97 mm (3.8") x 37 mm (1.5")


Weight: 490 g (17 ounces) including rechargeable battery

Operating Environment: -30 °C to 60 °C (-22 °F to 140 °F) MIL-STD 810G, Method 501.4, Procedure II, Method 502.4, Procedure I, II & III

Storage Temperature: -40 °C to 70 °C (-40 °F to 158 °F)

Temp Shock: MIL-STD-810G, Method 503.4, Procedure I (-40 °C/70 °C)

Drop: MIL-STD-810G, Method 516.5, Procedure IV 26 drops from 1.22 m (4 ft) 6 additional drops at -30 °C (-22 °F), 6 additional drops at 60 °C (140 °F)

Vibration: MIL-STD-810G, Method 514.5 Procedure I

Sand & dust:  IP67, IEC-529 Dust: MIL-STD-810G, Method 516.5, Procedure IV


Water: IP67, IEC 529 MIL-STD-810G, Method 512.4, Procedure I, Water Jet 12.5 mm dia. @ 2.5 - 3m, 100 Liter/min.

Humidity: MIL-STD-810G, Method 507.4, 90%RH temp cycle 30~60°C

Altitude: 4572 m (15.000 ft), MIL-STD-810G, Method 500.4, Procedures I, II & III

Processor: Marvell PXA310 806 MHz

Memory: 128 MB SDRAM

Data storage: 4 GB iNAND Flash

Operating system: Microsoft Windows® Mobile 6.1 Professional

Screen: 480x640 pixel Anti-glare 3.5" VGA resolution, sunlight readable, 262K colour (18 bit), TMR Technology with LED backlight

Keyboard: Numeric keypad with backlighting, on-screen QWERTY keyboard

Battery: 5600 mAh Li-ion battery pack

Connections: 1 x USB host and client, Power jack, 1 x SDIO slot, 9-pin serial RS-232 connector

Communication: PAN: Bluetooth 2.0 + EDR, WLAN: Integrated 802.11b/g, GSM/UMTS (HSDPA/EDGE), Integrated speaker & microphone with noise cancellation

Navigation: Integrated GPS SiRF Star III chipset with WAAS/EGNOS support, Integrated E-Compass and G-Sensor, Integrated Altimeter

Camera: Integrated 3 megapixel camera with autofocus and LED Flash


  • RFID
  • Barcode scanner
  • Kenaz DGPS


1 - Mobile Phone Indicator: Flashes in blue to indicate that the phone function is switched on (select models only).

2-  RF Radio Frequency Indicator:  

  • Flashes in blue to indicate that the Bluetooth radio is on. 
  • Flashes in amber to indicate that the Wi-Fi (wireless network) radio is on.
  • Flashes in purple to indicate that the GPS receiver is on.
  • If more than one module is switched on, the indicator changes color in a cyclic way.    

3- Charge Notification indicator: 

  • Glows in amber to indicate that battery charging is in progress.
  • Glows in green to indicate that the battery is fully charged.
  • Glows in red to indicate that the battery power is critically low (less than 10%). 
  • Flashes in red to inform you of scheduled appointments, alarms and reminders.       

4- Earpiece: Serves as the phone earpiece during a call (select models only).

5- Touch Screen: Displays the output of your device and responds to your tapping.

6- Keypad: Includes keys for numbers and specific functions. It lights up when a key is pressed. (See the next section for details.)

7- Power Button: Turns on or off your device.

 8- Microphone: Records voices and Serves as the mouthpiece during a call (select models only).

© Hydrotech ZS Consulting 2012