ExStik Conductivity/TDS/Salinity Kit includes a waterproof meter with one high accuracy multi-range sensor that measures four parameters.

Features:

• Convenient Conductivity Kit with all the calibration standards, sample plastic cups and carrying case included for easy travel
• Autoranging meter offers 3 ranges with 8 units of measure including µS, mS, ppm, ppt, mg/L, g/L, °F, and °C
• Memory stores up to 15 labeled readings
• Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0
• Self calibration on power up
• Waterproof to IP67
• Large 3-1/2 digit (2000 count) Digital display with analog bargraph to indicate sample trends
• Data Hold, Auto Power Off and low battery indication
• Automatic Temperature Compensation of 2% per °C
• Auto standard recognition for calibration (84µS, 1413µS, and 12880µS)
• Easy to replace Conductivity cell module
• Plastic sample cup and iron cast weighted base allows for hands-free
  operation while holding up the meter during measurement stage
• EC410 kit includes EC400 ExStik® Conductivity/TDS/Salinity Temperature Meter, with sensor, protective cap,
  84µS, 1413µS and 12880µS calibration standards (30mL bottle each), weighted base, 3 sample plastic cups
  with caps, four 1.5V SR44W button batteries, 48" (1.2m) neckstrap, and carrying case

Spec Summary:

Specifications	Ranges	Max. Resolution	Basic Accuracy
Conductivity:	0 to 199.9µS	0.1µS	±2% FS
	200 to 1999µS	1µS
	2.00 to 19.99mS	0.01mS
TDS:	0 to 99.9ppm (mg/L)	0.1ppm (mg/L)	±2% FS
	100 to 999ppm (mg/L)	1ppm (mg/L)
	1.00 to 9.99ppt (g/L)	0.01ppt (g/L)
Salinity:	0 to 99.9ppm (mg/L)	0.1ppm (mg/L)	±2% FS
	100 to 999ppm (mg/L)	1ppm (mg/L)
	1.00 to 9.99ppt (g/L)	0.01ppt (g/L)
Temperature:	32 to 149°F	0.1°	±1.8°F/1°C
Power:	Four SR44W button batteries
Dimensions:	Meter: 1.4" x 6.8" x 1.6"
	Kit: 9.5" x 6.8" x 2.8"
Weight:	Meter: 3.8 oz
	Kit: 1.56 lbs (708g)

If you cannot open the manual, Get Adobe Reader.