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NEP160 Portable Turbidity Meter

Three Compatible Probes Available: NEP260 up to 3,000 NTU, NEP280 up to 30,000 NTU and the high temperature rated NEP 285 to 30,000 NTU
Hot Swappable Probes: NEP160 compatible probes have their calibration data stored in the probe so there is no need to calibrate when you plug a different probe into the display unit
Easy Calibration: Probes are precalibrated but can be calibrated at any time by the user using the simple menu

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Overview

Specifications

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The ANALITE NEP160 handheld portable turbidity meter is an easy to use turbidity meter; it allows for fast multiple turbidity readings simply by inserting the probe into the stream or media to get an immediate accurate reading of the turbidity level at that point and time. The user-friendly menu allows the user to set up measurement parameters which are displayed on the in-built 2 line alphanumeric display.

There are currently three turbidity probes available which suit the ANALITE NEP160 display unit; NEP260 (ISO7027 to 3,000NTU), NEP280 (retro-scatter to 30,000NTU) and the high temperature rated NEP285 (retro-scatter to 30,000NTU). All turbidity probes have a depth rating of 100 metres, a display unit which is IP65 rated and displays measurements directly at any time or can be downloaded through the RS232 output at user selectable periodic intervals.

There is no need to calibrate every time a different tubidity probe is connected due to the ANALITE NEP160 turbidity meter being hot swappable and contain their calibration data in the probe. Proper 2 and 3 point calibrations can be carried out by the user by using the simple menu driven interface however, all probes are precalibrated.

The ANALITE NEP160 portable turbidity meter will power up automatically to its last settings whenever external power is applied making it ideal for logging applications when using the analogue output or RS232 port.

The NEP160 turbidity meter comes complete with a carry case capable of holding a cable up to 10 meters, ac adapter, display unit, RS232 cabling and the user manual.

Manufactured by: McVan

Model: NEP160 Portable Turbidity Meter

Services offered for this product

Sales
Rental
Installation
Calibration
Maintenance

Applications

Real time turbidity measurement
Spot Readings

Range	0 to 30,000NTU (3,000NTU limit on NEP260, 90° probe) over four ranges automatically determined.
Display	2 line, 16-character dot matrix alphanumeric liquid crystal display.
Displayed	Turbidity (NTU) - default Relative Turbidity Reference (NTU) Relative Turbidity REL (Turbidity - Relative Turbidity Reference) Date/Time - default
Reading	Updated approximately every 1 second.
Averaging Period	0.5 second or 8 seconds nominal - user selectable.
Range Steps	1 <0.1 to 20NTU 2 <1 to 200NTU 3 <10 to 2,000NTU 4 <100 to 20,000NTU
Repeatability	2% ± 1 digit on all ranges
Data Logging	User set for one reading every 1 to 90 seconds or minutes. All readings stored in the Notepad.
Notepad	100 readings each with time and date
Setup	Menu driven, including: - Calibration - Automatic Logging - Analogue Output range selection - Reference Turbidity value - Setting date and time.
Setup Memory	Non volatile EEPROM.
Clock	Calendar clock displays date and time
GLP	Good Laboratory Practice. All readings as well as calibration constants are stored together with the Time and Date and can be recalled at any time.
Analogue Output	0 - 2 volts full scale corresponding to preset measurement range. Output impedance 600 ohms nominal.

Power	Internal: 6V NiMH rechargeable battery. External: 10 to 16V dc, 400mA max. incl. NiMH Charge current. External power connection is via jack plug male with 2.5mm pin. Centre pin is NEGATIVE polarity.
Power Management	Automatic power down perating from batteries after approx. 5 minutes may be selected. Automatic power up when powered externally. Continuous operation of at least 5 hours on a fully charged battery. For normal intermittent operation a full charge may last several days. Low battery indication prior to shut down.
Outputs	Inbuilt LCD, analogue output and RS232 port.
RS232 Port	The RS232 port can output readings on request or at preset intervals of time from 1 to 99 seconds or minutes. The Notepad memory can also be downloaded on request. 4800 baud rate, 8 bits, no parity, 1 stop bit, Xon/Xoff protocol.
Dimensions	187mm x 110mm x 51mm (display unit). 238mm x 32mm dia (probes incl gland).
Weight	Display Unit 0.5kg. 180° Probe 0.4kg with 5m lead. 90° Probe 0.4kg with 5m lead.
Operating Temperature	Operating: 0° to 50°C Storage: -10° to 60°C
Humidity	0 to 90% R.H. operating
Case Rating	IP65 with all connectors sealed with dust caps (supplied) or probe properly connected and dust caps on remaining two connectors.
Probe Rating	100 meters water column.

Files and software available to download:

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