VIKING-M510T-A Portable Multi-parameter Meter (pH / EC / ISE / DO / Temp.)

4.3″ color touchscreen
pH: −2.000…20.000 ±0.002 pH.01
EC: 0.000 μS/cm…3000 mS/cm
DO: 0.00…99.99 mg/L
ISE: direct/SA/AA/GRAN

VIKING-M510 Portable Multi-parameter Meter

VIKING-M510 from COLO.Science is a rugged IP65 portable instrument for pH, mV/ORP, conductivity, resistivity, TDS, salinity, ISE, dissolved oxygen and temperature. It features a bright 4.3″ color touchscreen, an intelligent OS with user/calibration/electrode/method/data management, and GLP-compliant memory (1000 groups per parameter) for traceable results. Multi-reading modes (Auto-Read, Timed-Read, Continuous) and automatic/manual temperature compensation ensure reliable measurements in the lab or in the field.

Measurement modes & calibration

Reading modes: Auto Read (Fast/Medium/Slow), Timed, Continuous
pH: up to 8 points; USA/NIST/DIN/GB/MERK/JIS buffers; user-defined buffers; auto slope/offset diagnostics
Conductivity: up to 5 points; ref. temp 5/10/15/18/20/25 °C; 10 μS/cm–12.88 mS/cm (and equivalents) standard recognition
ISE: Direct, Standard Addition, Sample Addition, GRAN; >10 built-in methods (e.g., F−, Cl−, NO₃⁻, NH₄⁺, K⁺, Na⁺, Ca²⁺, Cu²⁺, Pb²⁺, Ag⁺); up to 8 points
DO: polarographic sensor; air-saturated water or zero O₂ calibration; auto barometric compensation; manual salinity correction

Key features

4.3″ high-contrast color touchscreen; backlight
Intelligent OS: user / calibration / electrode / method / data / log management
Auto-Hold endpoint detection; ATC/MTC
USB 2.0 (flash drive / PC / printer-scanner)
Reset to factory defaults; auto power-off (300–3600 s)
IP65 enclosure for field and outdoor measurements

Inputs & outputs

Inputs: pH electrode BNC (Q9); DO probe 4‑pin aviation; Conductivity probe 5‑pin aviation
Outputs: USB 2.0 (flash drive, PC, scanner/printer)

Models & dimensions

Model	Name	Display	IP Rating	Dimensions (W×L×H)	Weight
VIKING-M510T-A	Portable multi-parameter meter	4.3″ color touchscreen	IP65	90 × 255 × 40 mm	≈ 500 g

Technical specifications

Technical specifications — VIKING-M510T-A

Model	M510T
Parameters	pH / EC / ISE / DO / Temp. (mV / ORP / pX / Resistivity / TDS / Salinity / DO Saturation)

pH

Range	−2.000 to 20.000 pH
Resolution	0.1, 0.01, 0.001 pH
Accuracy	±0.002 pH
Calibration Points	Up to 8
Standard Customization	Yes
Calibration Reminder	Yes
Standard Recognition	USA, NIST, MERK, JIS, GB, DIN buffers
Slope Limit	Yes

mV / ORP

Range	−2000.00 to 2000.00 mV
Resolution	0.1, 0.01 mV
Accuracy	±0.1 mV or ±0.03%
EH ORP Mode	Yes
ORP Calibration Points	1 custom point (relative mV)

pX

Range	−2.000 to 20.000 pX
Resolution	0.1, 0.01, 0.001 pX
Accuracy	±0.002 pX
Calibration Points	Up to 6

ISE

Range	1.000e−9 to 9.999e+9
Units	mol/L, mmol/L, g/L, mg/L, μg/L, ppm, ppb, pX
Resolution	Up to 4 significant digits
Accuracy	±0.3%
Calibration Points	Up to 8

Conductivity

Range	0.000 μS/cm to 3000 mS/cm
Resolution	0.001 μS/cm minimum (varies with range selection)
Accuracy	±0.5% FS
Reference Temperature	5, 10, 15, 18, 20, 25 °C
Calibration Points	Up to 5
Calibration Reminder	Yes
Standard Recognition	10 μS/cm, 84 μS/cm, 500 μS/cm, 1413 μS/cm, 12.88 mS/cm; 146.5 μS/cm, 1408 μS/cm, 12.85 mS/cm, 111.3 mS/cm

Resistivity

Range	5.00 Ω·cm ~ 100.0 MΩ·cm
Resolution	0.01 Ω·cm minimum
Accuracy	±0.5% FS

TDS

Range	0.000 ppm ~ 1000 ppt
Resolution	0.001 ppm minimum (changes with range)
Accuracy	±0.5% FS

Salinity

Range	0.0 ~ 80.0 ppt
Resolution	0.1 ppt
Accuracy	±1 ppt

Dissolved Oxygen — Concentration

Sensor Type	Polarographic
Range	0.00 to 99.99 ppm
Resolution	0.01 ppm
Accuracy	±0.10 ppm (0.00–50.00), ±0.50 ppm (50.0–99.99)
Calibration Reminder	Yes
Calibration Points	Air-saturated water or zero point
Barometric Compensation	Yes
Manual Salinity Factor Correction	Yes

Dissolved Oxygen — Saturation

Range	0.0 to 600.0 %
Resolution	0.10 %
Accuracy	±2.0 %

Temperature

Range	−10 to 135 °C, 14 to 275 °F
Unit	°C, °F
Resolution	0.1
Relative Accuracy	±0.1

Measurement

Reading Mode	Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading Prompts	Reading, Stable, Locked
Temp. Compensation	ATC, MTC

Data management

Data Storage	1000 Groups
GLP Features	Yes

Inputs & outputs

pH Electrode	BNC (Q9)
DO with Temp. Probe	4-pin aviation connector
Conductivity with Temp. Probe	5-pin aviation connector
Outputs	USB 2.0 flash memory device, PC, scanner

Display & power

Backlight	Yes
Auto Shutdown	300, 600, 1200, 1800, 3600 s; Off
Date & Time	Yes
IP Rating	IP65

General

Power	Rechargeable Lithium battery; AC Adapter 100–240 V AC input, DC 5 V output
Dimensions	90 × 255 × 40 mm
Weight	500 g

SKU: PRO5918 Category: Portable Multi-Parameter Analyzer

Measurement Parameters	pH
Instrument Type	Portable

VIKING-M510T-A Portable pH/Conductometer Multi-parameter Water Analyzer

VIKING-M510T-A Portable Multi-parameter Meter (pH / EC / ISE / DO / Temp.)

VIKING-M510 Portable Multi-parameter Meter

Measurement modes & calibration

Key features

Inputs & outputs

Models & dimensions

Technical specifications

Technical specifications — VIKING-M510T-A