556MPS

The YSI 556 MPS (Multi-Probe System) is a handheld unit with a multi-parameter system. It simultaneously measures dissolved oxygen, conductivity, temperature, and optional pH and ORP. The 1.5 MB memory can store more than 49,000 data sets. Other options include a flow cell and barometer. The internal barometer can be user-calibrated and displayed along with other data, used in dissolved oxygen calibrations, and logged to memory for tracking changes in barometric pressure. Older and more expensive than the ProPlus and it does not measure for ammonium or nitrates.

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Availability: Commercially Available

environmental@ysi.com
1-937-767-7241
1700/1725 Brannum Lane
Yellow Springs, OH 45387-1107
www.ysi.com/index.php
Manufacturer
YSI, Inc.
Product Name
556MPS
Detection Category
Chemical;
Detection Principle
Sensors;
Application
Water Quality;
Equipment Type
Sensor
Product Synopsis
The YSI 556 MPS (Multi-Probe System) is a handheld unit with a multi-parameter system. It simultaneously measures dissolved oxygen, conductivity, temperature, and optional pH and ORP. The 1.5 MB memory can store more than 49,000 data sets. Other options include a flow cell and barometer. The internal barometer can be user-calibrated and displayed along with other data, used in dissolved oxygen calibrations, and logged to memory for tracking changes in barometric pressure. Older and more expensive than the ProPlus and it does not measure for ammonium or nitrates.
Availability
Commercially Available
Technology Readiness Level (TRL)
9
User Feedback Sources
Indifferent/No user feedback
Dimensions
4.7 in x 9 in (11.9 x 22.9 cm)
Weight
<5 lbs.; 2 lbs (916 g)
Power Requirements
Alkaline Battery; 4 alkaline C-cells
Transportability
Pocket Size
Ruggedness
Waterproof/Resistant
Operating Conditions
0 to 40°C (operational temperature range) -20 to 30°C (storage range)
Consumables
>$1,000/year; DO electrode module, DO membrane, calibration reagents, buffers and standards, sensors
Calibration Schedule
Yes
Suggested Routine Maintenance
Membrane cap, probe module, sensor and battery replacement
Communications Interface
RS232
Shelf Life
>5 years
Unit Cost
$3,500.00
Maintenance Cost
Membrane $56, Replacement probe $250 to $450
Other Chemical Targets
Measures Dissolved Oxygen, pH, Conductivity, Temperature, and ORP
Sample Introduction
Liquid
Sensitivity/Detection Limits
ppt; ppm; %; mg; 0 to 500% air saturation, 0 to 50 mg/L – dissolved oxygen
Start Up Time (From Cold Start To Sample Ready)
10-15 minutes (temperature equilibration)
Response Time (Sample Application To Output)
<1 minute
Software Control
Yes
Training Required
<1 week training
Manuals Available
Yes
Warranties
3 year instrument, 1 year probes and cables
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