WP-81 Waterproof Conductivity/TDS-pH/mV-Temperature Meter

The 32 character alphanumeric display features a user-friendly menu system. This guides the user through every step of operation. Full text prompting and error messages are provided. Calibration and set-up are a breeze with the WP Series.

The Calendar Clock can be displayed continuously along with the data. The date and time are recorded with every reading, when using the Notepad and AutoLog functions.

To comply with Good Laboratory Practices (GLP) standards, the WP Series store the date, time and results of the last calibration. This information can be recalled when required. All readings stored in memory are stamped with the date and time.

Expand the capabilities of the WP Series with the optional RS232 interface. All readings stored in memory and GLP information can be downloaded to an RS232 printer or a PC. The RS232 option also allows the AutoLog function to log directly to the printer or PC. A Windows software package that allows the WP Series to communicate with a PC is available.

The WP Series is supplied with a rechargeable NiMH battery and charger as standard. Chargers for all countries are available. For extended field trips a solar panel, or a charger lead for a car cigarette lighter socket are also available.

Specifications

TDS
Ranges     : 4 ranges with auto range
             selection.
k=0.1      : 0 to 1.000 ppM
             0 to 10.00 ppM
             0 to 100.0 ppM
             0 to 1000  ppM
k=1.0      : 0 to 10.00 ppM
             0 to 100.0 ppM
             0 to 1000  ppM
             0 to 10.00 ppK
k=10       : 0 to 100.0 ppM
             0 to 1000  ppM
             0 to 10.00 ppK
             0 to 100.0 ppK
Resolution : 0.1% of range
Accuracy   : 0.5% of full scale of
             selected range

pH
Range      : 0 to 14.00 pH
Resolution : 0.01 pH
Accuracy   : +/-0.01pH

mV
Range      : 0 to +/-500.0 and
             0 to +/-1500 mV
             (auto-ranging)
Resolution : 0.15 & 1 mV
Accuracy   : +/-0.3 & +/-1 mV

Temperature
Range      : -10.0 to 120.0 ^OC
Resolution : 0.1 ^OC
Accuracy   : +/-0.2 ^OC

Conductivity/TDS Span Range
75% to 133% of nominal k factor

pH Input Impedance
>3 x 10¹² Ohms

pH Asymmetry Range
-1.00 to +1.00 pH

Temperature Compensation
Automatic, 0 to 100 ^OC.

Automatic Buffer Recognition
4.00, 6.88, 7.00, 9.23 and 10.06 pH

Enclosure
Tough, anti-static Luran-S plastic case, waterproof to IP67. Connectors waterproof to IP65. The instrument will float if dropped into water.

Display
32 Character alphanumeric LCD with user-friendly menu system and full-text messages.

Memory
150 readings, including date and time.

Automatic Logging
User-set for one reading every 1 to 90 seconds, 1 to 90 minutes or 1 to 24 hours.

RS232 Output (Optional)
300, 1200 and 9600 Baud.
8 Bits, No Parity, 1 Stop Bit, XON/XOFF

Clock
24 Hour Calendar Clock

Battery Saver Function
On  : Automatically switches
      off after 5 minutes of
      no use.
Off : Unit remains on for
      continuous use.

Good Laboratory Practices
Date, time and results of last successful calibration are stored, and can be recalled when required. GLP information can be printed or downloaded to PC when the optional RS232 Interface is fitted. Warning of failed calibration is provided.

Power
6V NiMH Rechargeable battery pack for approx 75 hours operation. Battery charger for country of choice supplied. Battery can be charged from any 12V DC source.

Dimensions
187 x 110 x 51 mm

Mass
Instrument only : Approx 440g
Full Kit        : Approx 2.5kg

Ordering Information

Kit Includes
k=1/ATC/Temp,1m Plastic....122201
Combination pH Sensor......121207
2.76mS/cm Conductivity
Standard, 200mL............122306
2.0ppK TDS Standard, 200mL......................122307
pH6.88 Buffer, 200mL.......121306
pH4.00 Buffer, 200mL.......121381
Battery Charger...........Specify
                          Country
WP-81 Handbook.............130050

Optional Sensors
k=0.1/ATC/Temp,5m Plastic..122199 k=1.0/ATC/Temp,5m Plastic..122198
k=10/ATC/Temp, 1m Plastic..122221
k=10/ATC/Temp, 5m Plastic..122219 

k=0.1/ATC/Temp 1m Glass....122216
k=1.0/ATC/Temp 1m Glass....122216 k=10/ATC/Temp, 1m Glass....122212

Extended cable.............130040
(order by the metre)

Communication Software
for Windows.............130086

Charger Lead for 12V Car
Cig Lighter Socket......130046

Solar Panel.............130012

Aluminium Carry Case....130059

Download this Specification Sheet in PDF format.

Download the full colour WP Series Brochure (1.65 MB PDF).

Download the handbook for this instrument.

Hint : Right click on a link, then select "Save Target As..." or "Save Link As..." to save the file to your own computer.

If you do not have Adobe Acrobat in your computer, a free Acrobat Reader can be downloaded by clicking on the following link.

Web Author : TPS Pty Ltd
Copyright © 2002-2005 T.P.S. Pty Ltd
A.B.N. 30 009 773 371
Last modified: September 17, 2007