Industry's Highest Capacity Sonde

Manta Plus 40 Multiparameter Probes

The Solinst Eureka Manta+40 holds more sensors than any multi-parameter probe in the industry. Engineered for the most complex water quality projects, it supports up to 3 fluorometers and 3 ISE sensors simultaneously.

Manta+ 40 Multiparameter Water Quality Probe

Water Quality Sondes

The Manta +40 model features an optical DO sensor with a 5+ year cap and a refillable pH reference, ensuring a low cost of ownership. Connect to field displays, add battery packs for autonomous use, or link to telemetry for real-time cloud data.

Ultimate Research Tool

Designed for flagship research projects where every parameter counts. Monitor entire water chemistry profiles in a single pass with unmatched precision and speed.

Advanced Optics & ISEs

Simultaneously host up to 3 fluorometers and 3 Ion Selective Electrodes alongside traditional sensors for deeper scientific insight.

14-Port Capacity

The industry's most flexible port layout, allowing for an incredibly comprehensive water quality snapshot in every deployment.

Field-Proven Reliability

Despite its high capacity, the Manta+ 40 maintains the ruggedness and reliability the Manta series is known for, even in the deepest deployments up to 200m.

Technical Specifications

Physical Specs

Length 21" (w/o IBP) / 22.5" (with IBP)
Diameter 4.00 inches
Weight (w/o Battery) 10.65 lbs
Weight (with IBP) 11.65 lbs

Data & Performance

Data Memory > 1,000,000 readings
Sample Rate 1 Hz
Communications RS-232, SDI-12, MODBUS, USB, Bluetooth
Number of Sensors Up to 13+

Environment

Depth Rating 200 m (15m for ISE/TDG)
Operating Temp -5 to 50°C
Battery Pack 6 x C Size Batteries

Warranty

3 Year Limited Warranty

Coverage Covers all components, including sensors.

Accessories

  • Underwater cables (3 – 200m)
  • mantaMobile Bluetooth Device
  • Internal Battery Pack
  • Anti-fouling sensor guard

Sensor Configuration

The most comprehensive sensor array for high-end water analysis.

Manta+ 40 Elite Configuration Solinst Eureka Plus 40
Elite 14-Port Sonde Configuration

Standard Sensors

  • Temperature
  • Wiper System
  • Depth Sensor
  • Conductivity
  • Dissolved Oxygen
  • pH Reference
  • pH / ORP
  • Turbidity

Medium Sensor Options (Up to 3)

chlorophyll a
BGA – Algae
Rhodamine
Crude Oil
Refined Oil
CDOM/FDOM
Fluorescein
Optical Brighteners
PTSA
Tryptophan

Small Sensor Options (Up to 3)

TDG Gas
Nitrate
Ammonium
Chloride
Sodium
Calcium
Bromide

Ready for the Ultimate Monitoring Solution?

The Manta+ 40 is the peak of multiparameter monitoring technology. Work with our experts to design your elite environmental network.

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