Ohaus Explorer EP22001 high capacity balance (22000g x 0.1g) can be purchased 2 ways - the standard Explorer EP22001 which has no internal calibration; the EP22001C which is the EP22001 with motorized internal calibration (check the box in the option section for Internal Calibration.  The prefix "N" designate Internal Calibration.  None of the high capacity Ohaus Explorer balances 12kg and higher in capacity are Legal for Trade/NTEP Approved.

Explorer Pro High Capacity EP22001 precision toploader balance features large 11" x 14" platform.  The Ohaus Explorer EP12001 High Capacity Balance has been upgraded with check and differential weighing, statistical functions, formulation, and filling.

Precision Weighing Balances supplies balances and scales to many of the materials testing labs for Department of Transportation offices throughout the USA.  Whether you're performing testing for DOT asphalt, soil sampling and Super-Pave applications to meet some ASTM or AASHTO test requirement you can call Precision Weighing Balances' expert staff in help in selecting the best balance for your weighing needs.

Although the EP22001 is targeted for this segment market along with applications in concrete, asphalt production, agriculture and quality control most of our customers purchase the Sartorius CPA12001S over the Ohaus EP12001 scale.

The reason typically for not selecting the Ohaus EP22001 is it only offers 2 year warranty, has a smaller 11" x 14" weighing platform and the real downfall with the EP22001 is the linearity is only ± 0.4 gram.  Linearity is the accuracy of the balance and you review the definition for linearity here.  The Sartorius CPA12001 has linearity specifications to ± 0.2 gram.  Some people might say 0.2g verses 0.4g is twice the balance.

The Sartorius CPA16001S (16000g x 0.1g) offers a 3 year warranty, larger 11.7" x 15.6" weighing pan, IP-53 Rating so it is dust protected and also against "sprayed water", LCD display with adjustable backlight to see it in poorly lighted areas like mobile soil testing labs trailers on constructions sites and the linearity is ± 0.2 gram. 

Many of the DOT Materials Managers are buying the Sartorius line since they don't want the internal calibration.  The issue is the internal calibration typically does not offer the calibration adjustment needed to maintain the balance within the specification like an external calibration provides.  Again give us a call and one of our balance experts will help for understand all the technical aspects so you can make the correct purchase.

Ohaus Explorer Pro Balances are available in both analytical and precision configurations, in a variety of capacities.  The Explorer Pro line of precision balances offers capacities ranging from 210 x 0.001 grams to 32,000 x 0.1 grams.  The analytical balances line offers capacities of 62, 110 and 210 grams and you can review them all at the bottom of this web page.

Another similar model you should review is the Mettler-Toledo SB32001-GA precision balance.  Mettler Toledo SB32001-GA offers 32,100 grams weighing capacity with readability to 0.1g, large 13.7" x 9.1" weighing platform and NTEP Approved.

Ohaus EP22001 High Capacity

OHAUS EP22001 Explorer Pro High Capacity Balance
PWB Discount Price	$3142.80
S&H via UPS ground	$65.00
Capacity x Readability	22,000 g x 0.1 g
Repeatability (std deviation)	0.1 g
Linearity	± 0.4 g
Weighing units	gram, kilogram, pound, ounce, ounce troy, carat, pennyweight, Hong Kong Tael, Singapore Tael, Taiwan Tael, mommes, grain, tical, Newton, custom
Application Modes	Weighing, Parts Counting, Animal Weighing, Check Weighing, Filling, Differential Weighing, Formulation, Quick Check Weighing, Statistics
Features	RS232 Port, Auxiliary Display Port, GLP Protocol, Selectable Language Display Text, Selectable Displayed Information Settings, Selectable Environmental Settings, Selectable Auto-Print Settings, Integral Weigh Below Hook, Contrast & Brightness Control, Protective In-Use cover
Tare range	To capacity by subtraction
Stabilization time	<=4 seconds
Internal Calibration	Motorized Internal Cal is available as an OPTIONAL Factory installation for an additional $330
External Calibration	Optional 20000 g ASTM 1 external weight for span calibration
Legal for Trade	NTEP is NOT Available on any of the Ohaus Explorer Series 12kg and higher in capacity CofC 98-053A5
Display	LCD Dot Matrix w/CCFL Backlight
Display Size (in/cm)	2.5" x 4.7" / 64 x 120 cm
Display (pixels)	240 x 128 pixels
Pan size (in/cm)	11" x 13" inches / 27.9 x 33 cm
Dimensions WxHXD	14" x 5.25" x 16 inches 35.5 x 13.3 x 40.6 cm
Power requirements	100-120 V AC, 220-240 V AC, 50/60 Hz
Operating temperature	50° to 104°F / 10° to 40°C
Optional Accessories	Internal Calibration, In-Use Cover, Security Device, SF-42 Compact Impact Printer Density Determination Kit, External Calibration, TAL Software, RS-232 Cable
Warranty	2 Year Warranty
Net Weight	27 lb / 12.3 kg
Data Sheet	Download the brochure loaded with tons of information.
User Manual	Download the user manual.  If you have a question how it works it is in the manual.

Ohaus Explorer Pro Laboratory Series Balances Download the User Manual to understand all the functions & features (select the model & any of the options and then the"BUY HERE" image) EP64 (0-62g x 0.0001g) $2090.70 Ohaus EP114 (0-110g x 0.0001g) $2269.80 Ohaus EP214 (0-210g x 0.0001g) $2626.20 Ohaus EP214D (0-100g x 0.0001g)(100-210g x 0.001g) $2320.20 Ohaus EP213 (0-210g x 0.001g) $1664.10 Ohaus EP413 (0-410g x 0.001g) $1941.30 Ohaus EP413D (0-100g x 0.001g)(100-410g x 0.01g) $1664.10 Ohaus EP613 (0-610g x 0.001g) $1536.13 Ohaus EP612 (0-610g x 0.01g) $1599.30 Ohaus EP2102 (0-2100g x 0.01g) $1664.10 Ohaus EP4102 (0-4100g x 0.01g) $1941.30 Ohaus EP4102D (0-1000g x 0.01g)(1000-4100g x 0.1g) $1664.10 Ohaus EP6102 (0-6100g x 0.01g) $2214.90 Ohaus EP4101 (0-4100g x 0.1g) $1426.50 Ohaus EP6101 (0-6100g x 0.1g) $1599.30 Ohaus EP8101 (0-8100g x 0.1g) $1773.90 Ohaus EP12001 (0-12000g x 0.1g) $2906.10 Ohaus EP22001 (0-22000g x 0.1g) $3142.80 Ohaus EP32001 (0-32000g x 0.1g) $3381.30

Optional Accessories Lock Down Security Device $107.00 Explorer Pro In-Use Cover $38.00 RS-232 Cable, IBM 9 pin $93.00 RS-232 Cable, IBM 25 pin $93.00 WinWedge Std Software Wedge for Windows $259.00 Granite Isolator 13 x 15 inch $485.00 Ohaus 80251992 Thermal Printer $368.00 80252042 Dot Matrix Print (RS232 Cable Sold Separately) $434.00 RS232 Cable & Adapter used with 80252042 Printer to Explorer Series $90.00

1 mg -100 g 21 piece Ulti Mass $1620.00 1 g -100 g 9 piece Ulti Mass $650.00 50 g ASTM Class 1 (± 0.12 mg) cal mass $95.00 100 g ASTM Class 1 (± 0.25 mg) cal mass $100.00 200 g ASTM Class 1 (± 0.50 mg) cal mass $140.00 500 g ASTM Class 1 (± 1.2 mg) cal mass $170.00 1 kg ASTM Class 1 (± 2.5 mg) cal mass $185.00 2 kg ASTM Class 1 (± 5 mg) cal mass $230.00 5 kg ASTM Class 1 (± 12 mg) cal mass $385.00 1000 g ASTM Class 6 (± 100 mg) mass $40.00 2000 g ASTM Class 6 (± 200 mg) mass $60.00 5000 g ASTM Class 6 (± 500 mg) mass $100.00

Weighing Pans YWP06G Weigh Pan w/ 3.25" Diameter and 0.75" depth $25.00 YWP05G Weigh Pan w/ Spout & 3.5" Dia. w/ 1.75" Depth $50.00 YWP04G Gem Pan w/ 6.75 inch Diameter with 0.8 inch Depth $25.00 YWP03G Weighing Gem Pan w/ 5.25" Dia. & 0.8" Depth $25.00 YWP777G Weigh Pan w/ Pour Spout 2.4" Dia. & 0.6" Depth $25.00

The Explorer Pro Series
of standard level balances was designed for simplicity and includes the industry ’s easiest user interface for effortless setup and operation; no training is required.  The Explorer Pro offers all the features and durability found in high-end laboratory balances plus the traditional Ohaus quality and support for years of trouble- free use!
Standard Features Include:
Simple 2-key menu navigation Text prompts for fast setup 10 Application modes plus below balance weighing Brilliant backlit high resolution dot matrix display RS232 port for easy communication with computer or printer GLP compliant with user selectable outputs 5 Language operational display text Protective in-use cover and security bracket Industry leading warranty and support NTEP Legal-For-Trade approved models available
The spirit bubble indicator is located on the front of the balance so you can always verify your lab balance is level.  Balances must always be level to correctly transfer the force applied to the weighing balance parallel to the weigh cell. If the balance is off-centered (not level) this generates a counter force to the suspension guides of the weigh cell resulting in inaccurate or distorted weighing results.
Application Modes
Percent Weighing: allows you to place a reference load on the pan, and check other samples as a percent of the reference load.  Each new sample will be a "percentage" of the original reference, the display shows the variance in – or + percent of the reference. Weighing: Basic weighing with primary and secondary weighing units, time, date and capacity bar. Dynamic / Animal Weighing: allows the user to weigh unstable matter that may be moving. This mode can be set to manual, semi-automatic, or automatic; the displayed data includes filtered weight and unfiltered weight.  Displayed data also includes filter level, capacity bar graph and operation mode (manual, semi or auto). Parts Counting: Enhanced parts counting features include auto sample optimization, user definable sample size and manual entry using scroll keys.  The "Parts Counting Check" feature allows for quickly checking a sample of pieces against a preset criteria, with results displayed as the number of pieces.  The "Parts Counting Fill" feature allows for quickly checking a sample of pieces against an established criteria, with results displayed as a percentage of the preset target. Filling: permits the user to preset a target reference weight, then add material to the balance to meet the target weight.  The display shows the preset target weight and the percentage of the target by monitoring the differential data, the fill bar is split in two sections for fast filling up to 90%, then slower accurate fill to reach target (100%) weight. Checkweighing: is used when items need to be checked against a preset target, after the target weight is set, and over/under parameters are established.  Checkweighing is measured as a factor of over the target, under the target, or accept.  The display automatically shows the difference in percent and weight. Differential Weighing stores tare and weight values so a sample can be dried and the difference calculated at a later time. Up to 5 batches with up to 80 samples per batch can be stored. Samples can be added to the applications library. Batch and individual samples can be accommodated. Formulation Explorer Pro Balance can store between 200 minimum and 500 formulations limited only by the memory capacity of the resident library. Each formulation can be named and have up to 10 components specified and identified by name. Once the formulations are stored in the balance library, they may be recalled and used at any time. Each component of a given formulation can be specified as to its weight or percentage. The balance will display each element of a formulation on a dual bar graph as a percentage and also displays the desired weight. Thus, each product may be placed on the pan until 100% is indicated. Names are limited to 10 characters. Quick Check Weighing permits you to place a reference sample or a sample weight on the balance pan which is used as a reference weight to measure against similar samples. A single bar display indicates up to 100% of the capacity of the balance, the difference in weight between the original sample and succeeding samples is displayed. The difference in percentage is also shown along with the reference weight. The large numeric display indicates the weight of the subject. Statistics is used when it is desired to compare a number of samples and examine the relative deviation of the samples along with other statistical data such as mean, sum, maximum and minimum and difference. A minimum of three samples is required in this program. Statistics contains a number of pop-up menus which include standard deviation, mean, sum, maximum, minimum, difference, relative deviation, auto sample detect and sample size. All of these can be set ON or OFF except sample size which can be set for a particular number. When a printer or computer is connected to the balance, all statistical information can be observed and printed.
Optional Accessories
The Explorer Pro Series offers a complete line of accessories and masses to expand your mass measurement capabilities, including: Density determination kit (for 0.1mg and 1mg balances), modular display upgrade kit (for balances up to 8kg), model SF42 42-column impact printer, auxiliary table display, remote table displays, security devices, RS232 cables, TAL Software WinWedge V1.2, calibration masses.	Shown above is weigh below underhook
Industry Leading Quality and Support
All Ohaus Explorer® Pro balances are manufactured under an ISO 9001:2000 Registered Quality Management System. Our rugged construction and stringent quality control have been hallmarks of all Ohaus products for nearly a century.

Density
Four methods of density determinations can be made with the Voyager Pro balance.
The Four Methods of Density Determination: Solids more dense than water Solids less dense than water Liquid density Porous material (impregnated with oil).
An accessory density determination kit is designed to be used with Ohaus Explorer Pro balances.  A built-in reference density table for water at temperatures between 10°C and 30°C is included in the balance software.  When making density measurements, the material should weigh at least 10.0 mg on an analytical balance and 100 mg on a precision balance.

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