Portable Density Meter:
DMA 35
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- +10
- 360°
- For measuring the specific gravity of sulfuric acid in lead-acid batteries in one second
- Ideal for use in lead-acid battery production and the maintenance of uninterruptible power supply systems (UPS)
- Protection class IP54
- High chemical resistance for use in harsh environments
This product is part of our current starter kits. Find out more about our exclusive offer here: Cosmetics Starter Kit, Chemical Starter Kit, Tank Terminal Kit
Take DMA 35 with you at all times and measure the density and concentration of your sample directly on-site. One portable density meter replaces all the glass hydrometers in your workplace and gives you the accuracy expected from a lab instrument. DMA 35 uses only two milliliters of sample and saves you a lot of time as there is no need to transport the sample to the lab. It is built to withstand the knocks and spills of outdoor use. An RFID interface for quick sample identification and a Bluetooth® interface for convenient data handling in the field are integral parts of the instrument.
Collect all your data from DMA 35 in AP Connect.
We’ve been making portable density meters since 1981, and have led the global market in density measurement for more than half a century.
Key features
A portable density meter providing accurate results, also under harsh conditions
The splash-proof DMA 35 is made for density and concentration measurement in harsh environments, including outdoor operation, while providing the accuracy expected from a lab instrument. The smart oscillator placement makes sure that gas bubbles move to where they can’t affect your result: outside the measuring cell.
Designed for on-site density measurements
- Leak-proof sealed housing to withstand harsh conditions in industrial and field applications
- Additional rubber protection keeps the measuring cell safe
- Operation via capacitive keys so sensitive they can be used with gloves
- Suitable for both left- and right-handed users
- RFID tag readings, measurement start or abort, via gesture control: One hand is free to hold you steady with hard-to-reach samples.
- For sample temperatures up to 100 °C, quick decision support, e. g. in the beer brewing process (measurement of hot wort)
- Graphical visualization of the fermentation process for each fermentation tank
- Smart patented oscillator connection (AT516421 B1, EP3015847 B1) permits replacement in case of cell rupture
Intrinsically safe – for use in hazardous locations
- Intrinsically safe models DMA 35 Ex and DMA 35 Ex Petrol (Ex marking [Ex] II 2 G Ex ib IIB T4) for use in hazardous areas
- The only option available on the market for safe measurements in explosive atmospheres
- DMA 35 Ex is particularly suitable for measuring flammable chemicals.
- DMA 35 Ex Petrol provides excellent resistance to petroleum samples and fully complies with the ASTM D7777 and IP 559 standards.
Fastest filling and measurement – for a huge variety of samples
- Fill all kinds of samples – no matter what the viscosity is – in one second using the built-in manual pump or a syringe.
- No expensive electrical wearing parts: You can easily do all cleaning and maintenance work yourself.
- Measuring cell with inspection window and backlight for convenient inspection of proper sample filling
- The most reliable portable density meter for fermenting beer or wine, due to intelligent oscillator placement (potential bubbles automatically move outside the measuring cell)
- Lock-position of pump preventing sample carryover
- Auto-rotating display for perfect visibility of results at any instrument position
- Influence of viscosity on your density result is automatically corrected: for reliable measurements, also on highly viscous samples
Perfect traceability of density and concentration results
- Storage of up to 250 sample IDs for easy sample identification
- RFID interface for changing measurement settings quickly by reading RFID tags
- Storage of up to 1024 measurement results including time stamp and sample ID
- Wireless data exchange with a PC (csv or txt format) and data export to a printer via Bluetooth® for convenient data handling in the field – no extra software required
Leave your glass hydrometer or pycnometer for a digital density meter
- Measurement directly at the sample container
- Requires only 2 mL of sample, filled via the built-in pump
- Preinstalled and programmable concentration units – no further calculations necessary
- Results available in seconds
- Perfect traceability of results
Calculate your individual savings now:
Quickly determining the state of charge of lead-acid batteries
- Determination of the specific gravity of sulfuric acid
- Used for measurement of sulfuric acid in lead-acid battery production and maintenance of uninterruptible power supply (UPS) systems
- Protection class IP54 and high chemical resistance
Technical specifications
| Patents granted | Smart connection of measuring cell: Patent AT516421 (B1), EP3015847 (B1), CN 105571982 B |
| Other special functions | Viscosity correction for reliable measurements, also on highly viscous samples Gesture control for easy one-handed measurements Identification of results outside your specified limits |
| Measuring range | Density: 0 g/cm³ to 3 g/cm³ Temperature: 0 °C to 40 °C (32 °F to 104 °F)* |
| Accuracy | Density: 0.001 g/cm³ ** Temperature: 0.2 °C (0.4 °F) |
| Repeatability, s.d.*** | Density: 0.0005 g/cm³ ** Temperature: 0.1 °C (0.2 °F) |
| Reproducibility, s.d.*** | Density: 0.0007 g/cm³ |
| Digital Resolution | Density: 0.0001 g/cm³ Temperature: 0.1 °C (0.1 °F) |
| Ambient temperature**** | Standard Version, Ampere Version: -10 °C to +50 °C (14 °F to 122 °F) Ex and Ex Petrol version: -10 °C to +40 °C (14 °F to 104 °F) |
| Supported measuring units |
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| Sample volume | 2 mL |
| Dimensions (L x W x H) | 245 mm x 103 mm x 126 mm |
| Data memory | 1200 measured results, 30 measuring methods, 250 sample IDs |
| Power supply | Three 1.5 V LR06 AA alkaline batteries |
| Weight | 660 g |
| Interfaces | Bluetooth®, RFID***** (both included by default) |
| Protection class | IP54 (first digit: 5 – protection against dust ingress; second digit: 4 – protection against splash water from any direction) |
| Intrinsic safety of Ex and Ex Petrol version | ATEX: II 2G Ex ib IIB T4 Gb IECEx: Ex ib IIB T4 Gb |
| Menu language | English, German, Chinese, Japanese, French, Russian, Italian, Portuguese, Turkish, Spanish |
| Available options | Elongated filling tube Portable thermal printer with Bluetooth® interface Bluetooth® USB adapter Wristband Carrying strap ISO calibration |
| Scope of supply | Portable density meter, filling tube, adapter for syringe filling, syringes, transportation case, rubber protection for measuring cell, three batteries, Allen key, instruction manual |
| * Measurements up to 100 °C possible ** Viscosity <300 mPa•s, density <2 g/cm³ *** according to ISO 5725 **** Sample must not freeze within the measuring cell; Ex and Ex Petrol version: -10 °C to +40 °C (14 °F to 104 °F) ***** RFID read & write: DMA 35 Standard, DMA 35 Ampere; RFID read: DMA 35 Ex, DMA 35 Ex Petrol |
DMA is a registered trademark of Anton Paar (EM 013414867)
Standards
ASTM
IP
ISO
Anton Paar Certified Service
- More than 350 manufacturer-certified technical experts worldwide
- Qualified support in your local language
- Protection for your investment throughout its lifecycle
- 3-year warranty
Documents
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Battery packs - as strong as the weakest cell Application Reports
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Checking the quality of maritime fuel on board Application Reports
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Cleaning recommendations for Anton Paar DMA instruments Application Reports
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Cleaning recommendations for DMA 35 Application Reports
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Concentration determination of sodium hydroxide (NaOH) solutions Application Reports
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DMA 35 in use for safety in hemodialysis Application Reports
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DMA 35 supports winter services for safe travels Application Reports
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Density measurement gets the battery industry going Application Reports
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Density measurement of biodiesel Application Reports
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Density measurement of cleaning agents and disinfectants Application Reports
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Density measurement of lithium-containing electrolytes Application Reports
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Density measurement to ensure the quality of aqueous urea solutions Application Reports
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Determining filling volumes based on density measurement Application Reports
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E-Book - Field Guide to Battery Materials Characterization – Revised and Updated Application Reports
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Efficiency Meets Sustainability – Biodiesel Measurements Made Easy Application Reports
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Accessories
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If you do not find the item you require, please contact your Anton Paar sales representative.
To find out if you can purchase online from your location, check the online availability below.
WALL BRACKET FOR DMA 35, DMA 35 AMPERE; DMA 35 EX/EX PETROL
DMA 35 Standard
SET CARRYING STRAP DMA 35 EX / EX PETROL
DMA 35 Ex | Ex Petrol
"UNION NUT DMA 35 AMPERE ONLY FOR DMA 35 AMPERE"
DMA 35 Ampere
BENT FILLING TUBE 70 mm / 180 mm
DMA 35 Standard
BATTERY COMPARTMENT DMA 35 EX ONLY FOR DMA 35 EX.
DMA 35 Ex
BATTERY COMPARTMENT DMA 35 EX PETROL ONLY FOR DMA 35 EX PETROL.
DMA 35 Ex Petrol
"UNION NUT INCL. EYE PLATE DMA 35 AMPERE ONLY FOR DMA 35 AMPERE"
DMA 35 Ampere
UNION NUT DMA 35 ONLY FOR DMA 35 STANDARD
DMA 35 Standard
STIR BAR PTFE D = 3, L = 10 (10 PCS.)
DMA 35 Standard
SYRINGES 2 ml LUER (10 PCS)
DMA 35 Standard | Ex | Ex Petrol | Ampere
PRINTER CMP-20BT BLUETOOTH/RS232C
DMA 35 Standard | Ex | Ex Petrol | Ampere
ALKALINE BATTERY 1.5 V LR06 (AA) VARTA INDUSTRIAL TYP 4006
DMA 35 Standard | Ex | Ex Petrol | Ampere
FILLING TUBE 600 mm
DMA 35 Standard | Ex | Ex Petrol | Ampere
RUBBER HOUSING DMA 35 MEASURING CELL ONLY FOR DMA 35 STANDARD.
DMA 35 Standard
UNION NUT INCL. EYE PLATE DMA 35 ONLY FOR DMA 35 STANDARD.
DMA 35 Standard
RUBBER HOUSING OPERATING PANEL DMA 35 V4
DMA 35 Standard | Ex | Ex Petrol | Ampere
"SCREW PLUG 1/4"" UNF"
DMA 35 Standard | Ex | Ex Petrol | Ampere
FILLING TUBE 180 mm FOR DMA 35 VERSION 4
DMA 35 Standard | Ex | Ex Petrol | Ampere
"ADAPTER LUER 1/4"" UNF"
DMA 35 Standard | Ex | Ex Petrol | Ampere
SPRING FOR PISTON HASTELLOY C22
DMA 35 Standard
ADAPTER LUER 1/4" UNF
DMA 35 Standard
RFID TAG ABS DISK TAG 30 mm, 3,2mm HOLE R
DMA 35 Standard | Ex | Ex Petrol | Ampere
KIT FOR RUBBER HOUSING DMA 35 MEASURING CELL EX
DMA 35 Standard | Ex | Ex Petrol | Ampere
ALLEN KEY 3 MM DIN 911
DMA 35 Standard | Ex | Ex Petrol | Ampere
O-RING 4X2 VITON EXTREME
DMA 35 Standard | Ex | Ex Petrol | Ampere
ISO 17034-Certified Reference Material:
Density Standards
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Market-leading uncertainty of 0.015 kg/m³ (ISO 17034)
- Application-specific density standards, available via webshop
- Online certificate with lifetime reference values guarantee
- Conformity with ISO requirements ISO 17025 and even ISO 17034
- Safety glass ampoule for zero contamination
BATTERY COVER FOR PORTABLE INSTRUMENTS
DMA 35 Standard | Ex | Ex Petrol | Ampere
CARRYING CASE DMA 35 EX / EX PETROL
DMA 35 Ex | Ex Petrol
PRINTER PAPER FOR PRINTER CMP-10
DMA 35 Standard | Ex | Ex Petrol | Ampere
RFID TAG ABS DISC TAG 30 mm, 5mm HOLE R/W
DMA 35 Standard | Ex | Ex Petrol | Ampere
RFID TAG BLACK LAUNDRY TAG 30 mm R/W
DMA 35 Standard | Ex | Ex Petrol | Ampere
RFID TAG WHITE PVC STICKER DISC TAG 30 mm
DMA 35 Standard | Ex | Ex Petrol | Ampere
SPARE WRISTBAND FOR PORTABLE INSTRUMENTS
DMA 35 Standard | Ex | Ex Petrol | Ampere
BLUETOOTH USB ADAPTER
DMA 35 Standard | Ex | Ex Petrol | Ampere
SENSOR REPAIR KIT DMA 35 ONLY FOR DMA 35 STANDARD.
DMA 35 Standard
HAND PUMP DMA 35/SNAP 41 PTFE Piston
DMA 35 Standard | Ex | Ex Petrol | Ampere
PUMP LEVER WITH LOCK FUNCTION
DMA 35 Standard | Ex | Ex Petrol | Ampere
CARRYING CASE DMA 35/SNAP 41 ONLY FOR DMA 35 STANDARD.
DMA 35 Standard
SET CARRYING STRAP DMA™ 35/SNAP
DMA 35 Standard | Ex | Ex Petrol | Ampere
PRINTER PAPER 57 mm LONG LIFE
DMA 35 Standard | Ex | Ex Petrol | Ampere
BATTERY COMPARTMENT PP DMA 35 / SNAP ONLY FOR DMA 35 STANDARD AND SNAP 41/51
DMA 35 Standard
PUMP LEVER WITHOUT LOCK FUNCTION
DMA 35 Standard | Ex | Ex Petrol | Ampere
RUBBER HOUSING DMA 35 MEASURING CELL EX& Ex Petrol
DMA 35 Standard | Ex | Ex Petrol | Ampere
DENSITY STANDARD ANTON PAAR N100HT 100 ml - 0.818/0.788 g/cm³ at 100/150 °C
DMA 35 Standard | Ex | Ex Petrol | Ampere
DENSITY STANDARD DICHLOROTOLUENE 1x10mL WITH UKAS CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
AP DENSITY STANDARD DODECANE 1x10 mL WITH ISO 17034 CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Density standard with low density (750 kg/m³)
- Organic liquid
- Measuring uncertainty: 0.015 kg/m³
- Specified temperature range: 15 °C – 50 °C
- Durability: 18 months
- Volume: 10 mL
- ISO 17034-certified reference material
- Complies with ISO 17025 and ISO 17034 requirements
AP DENSITY STANDARD SODIUM BROMIDE 1x10 mL WITH ISO 17034 CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Density standard with high density (1250 kg/m3)
- Aqueous liquid
- Measuring uncertainty: 0.03 kg/m³
- Specified temperature range: 15 °C – 25 °C
- Durability: 18 months
- Volume: 10 mL
- ISO 17034-certified reference material
- Complies with ISO 17025 and ISO 17034 requirements
AP DENSITY STANDARD GLUCOSE / WATER 10% 1x10 mL WITH ISO 17034 CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Density standard with medium density (1040 kg/m3)
- Aqueous liquid
- Measuring uncertainty: 0.02 kg/m³
- Specified temperature range: 15 °C – 25 °C
- Durability: 18 months
- Volume: 10 mL
- ISO 17034-certified reference material
- Complies with ISO 17025 and ISO 17034 requirements
AP DENSITY STANDARD WATER 1x10 mL WITH ISO 17034 CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Density standard with medium density (998 kg/m3)
- Aqueous liquid
- Suitable for density adjustments
- Measuring uncertainty: 0.015 kg/m³
- Specified temperature range: 15 °C – 35 °C
- Durability: 18 months
- Volume: 10 mL
- ISO 17034-certified reference material
- Complies with ISO 17025 and ISO 17034 requirements
AP DENSITY STANDARD OIL 30 cSt @ 40 °C 1x10 mL, WITH ISO 17034 CERTIFICATE
DMA 35 Standard | Ex | Ex Petrol | Ampere
- Density standard with low density (830 kg/m3)
- Organic liquid
- Viscous liquid
- Measuring uncertainty: 0.015 kg/m³
- Specified temperature range: 15 °C – 50 °C
- Durability: 18 months
- Volume: 10 mL
- ISO 17034-certified reference material
- Complies with ISO 17025 and ISO 17034 requirements
