How do I determine the volume values when calibrating gravimetrically?

The measuring values of the analysis scales are multiplied by the correction factor Z (see SOP pipettes). This takes into account the density of the water at the relevant temperature and the relevant air.

What does EN ISO 8655 cover?

ISO 8655 addresses the needs of suppliers, test houses, and users and specifies the general requirements for piston-operated liquid handling devices. It is structured in seven chapters: ISO 8655-1: Terminology, general requirements, and user recommendations ISO 8655-2: Piston pipettes ISO 8655-3: Piston burettes ISO 8655-4: Dilutors ISO 8655-5: Dispensers ISO 8655-6: Gravimetric method for the determination of measurement error ISO 8655-7: Non-gravimetric methods for assessment of equipment performance (titration, photometry)

What do the terms random error and systematic error mean in a pipette calibration?

The systematic error describes the deviation of the dispensed volume from the nominal volume or from the selected volume of the piston stroke device, and is determined by establishing the mean value of (usually) 10 measurements. The random error describes the mean variation of the dispensed volumes from the mean value of the dispensed volumes, and is determined by calculating the repeat standard deviation of (usually) 10 measurements.

Why are the Z factors listed in our SOP different from factors which can be derived from density reference values (of water)?

The Z factor is included in EN ISO 8655-6 and was incorporated into our SOP. As we understand it, it was incorporated in the standard by the Physikalisch Technische Bundesanstalt in Braunschweig. The Z factor describes the density of water at a particular temperature using a 5th degree polynomial. Furthermore, the density of water is corrected by the density of air (derived from air pressure) and a fixed correction value for balances. These corrections are the key reasons for the deviation from density values in various books of tables.

How can the Multipette/Repeater M4 be calibrated?

To calibrate Multipettes/Repeaters in accordance with EN ISO 8655, three different volumes with ten measured values each have to be checked. These three volumes are the nominal volume (= the maximum volume to be dispensed), 50% of the nominal volume and 10% of the nominal volume of the Combitips advanced used. The checking procedure, the test conditions, and the limits in accordance with EN ISO 8655 are described in our "Eppendorf SOP for checking pipettes". The SOP is available on our web page.

Can the M4 Multipette/Repeater M4 be autoclaved?

No, the Multipette/Repeater M4 cannot be autoclaved. We recommend wiping the device with a cloth that has been moistened with a disinfectant (e.g. 60% isopropanol, 12% bleach). Please ensure that no moisture can get into the device during cleaning.

Can Combitips advanced advanced be partially filled as well?

Yes, with the Multipette/Repeater M4, Combitips advanced can be partially filled as well. To ensure accurate dosing, it is mandatory that the pistons of the Combitips advanced are moved to a defined position after aspiration. Discard the steps by pressing the operating lever until the display stops flashing and “steps 0” is displayed. If the selection dial position is below 4, several steps must be discarded.

Why can the Multipette/Repeater M4 only be operated with Combitips advanced?

When using a positive displacement system, the dispenser and the dispenser tip must be perfectly matched. This will ensure that the high demands with regard to precision and accuracy are reliably met. Combitips advanced are perfectly matched to Eppendorf Multipettes and, therefore, to the Multipette/Repeater M4. In combination with the center sleeve of the Multipette M4, accurate dosing for wall dispensing is supported in particular.

What is the maximum number of dispensing steps that can be carried out with the Multipette/Repeater M4?

In position 0.5, 100 dispensing steps can be performed with the Multipette/repeater M4.

What is the volume range covered by the Multipette/Repeater M4 when Combitips advanced are used?

Eppendorf offers 9 different sizes of Combitips advanced. This enables the Multipette/Repeater M4 to cover a dispensing volume of 1 µL - 10 mL.

Which chemicals can be dispensed with the Multipette/Repeater M4?

During the development of the Multipette/Repeater M4, the use of materials with a high chemical resistance was a priority. Of course, the chemical resistance of the Combitips advanced is also relevant here. You can find a detailed list of the chemical resistance for both products in the corresponding operating manual or in the instructions for use.

Can you dispense 2 µL in a free jet?

With the Combitip advanced 0.1 mL in selector dial position 1 and the Combitip advanced 0.2 mL in selector dial position 0.5, a volume of 2 µL can be dispensed in a free jet. All volumes can be dispensed in a free jet, if handled correctly. If you want to carry out all dispensing steps as a free jet, the reverse stroke should be dispensed in a free jet as well. Please note that the technical data document recommends wall dispensing.

How can I extend the life of the battery as much as possible?

The life of the battery very much depends on the type and frequency of use. To extend the life of the battery as much as possible, the Multipette M4 goes into sleep mode when it is not in use. You should also remove the Combitips advanced immediately after use and not store the Multipette M4 with the Combitip advanced inserted to extend the life of the battery.

How long will the battery last (for the use of the display) after the battery symbol appears?

If the battery symbol only shows with one segment, the battery capacity is very low. A few more dosing series can be carried out. Have a replacement battery to hand. As soon as the empty battery symbol appears, the battery should be replaced.

Does the Multipette/Repeater M4 also work without a battery?

Yes. The Multipette/Repeater M4 also works without a battery. The precision of the dosing is due to the reliable mechanics of the Multipette/Repeater M4. It will not be affected if the battery fails. To help with the selection of the correct dispensing volume, a volume table is included in the short instructions and in the operating manual. In addition, the Combitips advanced indicate the dispensing volume in selector dial position 1. This volume can be multiplied with the selector dial position to calculate the set dispensing volume.

How much does the Multipette/Repeater M4 weigh?

The Multipette/Repeater M4 only weighs 105 g.

What does the “PhysioCare concept” symbol on the Multipette/Repeater M4 mean?

The symbol means that the Multipette/Repeater M4 has been developed in accordance with the considerations of the Eppendorf PhysioCare concept. With its three areas, the concept includes the whole range of ergonomics, not just a single element. Instead of focusing on a particular product feature, the products with the PhysioCare symbol provide a holistic solution. Further details on the PhysioCare Concept ® are available at http://physiocare.eppendorf.com.

Does a specific dispensing angle need to be observed during dispensing?

Yes. If the Multipette/Repeater M4 is held at an angle that is too flat (< 45°C), dosing accuracy is affected. Hold the device as upright as possible, but in a position that is comfortable for you. Even when dispensing the last step, the Multipette/Repeater M4 should be held as straight as possible.

What does “steps” on the display mean?

The Multipette/Repeater M4 has a step counter. If a Combitip advanced is used alongside “steps” (here: dispensing steps), the number of dispensing steps that can be carried out with a full Combitip advanced is displayed. During dispensing, the number of dispensing steps that have already been carried out are displayed. When the selector dial position is adjusted, the number of dispensing steps that can still be carried out is displayed.

Can the step counter also count the dispensing steps if the Combitips advanced are only partially filled?

Yes, the step counter also counts the dispensing steps that were carried out when the Combitip advanced is only partially filled once. As with a full Combitip, the reverse stroke must be carried out first (display flashes). Please note with this type of filling that the step counter continues to count beyond the residual stroke lock.

Can the step counter also count the dispensing steps if the Combitip advanced is filled several times?

Yes, the step counter also counts the dispensing steps when the Combitip advanced is filled to capacity several times.

How are the Combitips advanced ejected?

To eject the Combitips advanced, push the lower filling lever down as far as it will go (dispensing the remaining volume). Then the Combitip advanced can be ejected without touching it, by pressing the upper operating lever.

Is it possible to attach the Multipette/Repeater M4 to a wall?

Yes. The Multipette/Repeater M4 comes with a holder which can be inserted in a pipette carousel or it can be fixed to a clean glass or ceramic surface using the enclosed adhesive strip.

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Multipette^® M4

Side view of the Multipette® M4 multi-dispenser pipette from Eppendorf

The range of Combitips® advanced dispenser tips offer a wide spectrum of possibilities

Multipette® M4 multi-dispenser with an assortment of fitting Combitips® advanced positive displacement pipette tips

Store your Multipette® M4 multi-dispenser securely on a Pipette Carousel 2 or Charger Carousel 2 by Eppendorf

Pipette Holder 2 for Multipette® M4 multi-dispenser pipette from Eppendorf

Multipette® M4 Multi-Dispenser Held By Scientist (Product Close-Up)

Female and Male Scientists Working with Multipette® M4 and Eppendorf Conical Tubes

ACT label of sustainability certification for Multipette® M4 starter kit

製品情報

退屈で長い連続ピペッティング作業と決別してください！EppendorfのMultipette M4は、液体吸引を繰り返す必要なく、長く連続して容量を繰り返し分注するために理想的です。Combitips^® advancedディスペンサーチップとの組み合わせで、ピペッティングが難しい粘性または揮発性の液体もMultipetteにとっては問題ありません。気密にシールしたチップで、Multipette/Combitipsポジティブディスレイスメントピペッティングシステムは、感染性、毒性、放射線性の液体のハイレベルの安全性も提供します。

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デモの依頼

追加でダウンロードできる材料がありますこのページの最後に

Sets & Bundles (2)

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アクセサリー (5)

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2 Sets & Bundles

Multipette^® M4スターターキット

1-チャネル
1 µL – 10 mL
内容： Combitips^® advanced Box 2.0、Combitips^® advanced仕分けパック（各サイズ1 チップ）およびピペットホルダー 2

製品のさらなる情報

数量

在庫確認してください

カタログ番号 4982000314

希望小売価格

¥ 73,700

税込価格

¥ 81,070

お問い合わせ

Multipette^® M4

1-チャネル
1 µL – 10 mL
付属品1x Combitips^® advanced 2.5 mL （グリーン）チップおよびピペットホルダー 2

製品のさらなる情報

数量

在庫確認してください

カタログ番号 4982000012

希望小売価格

¥ 70,800

税込価格

¥ 77,880

お問い合わせ

製品をもっと見せる

お客様のショッピングカートに追加されました。

製品情報

テクニカルデータ

アプリケーション

特徴

液体を一回吸引し、チップを再充填することなく最大100回分注
Multipette M4機械式連続分注器ピペットなので液体を一回吸引し、最大100回分注することができ、チューブまたはプレート充填、そして水性試薬といった長く繰り返しのピペッティング作業のための理想的な精密インスツルメントです。液体はポジティブディスレイスメントによって吸収され分注されます。これは液体試料特性に影響されることがあるエアクッションがないということを意味します。このことは、液体の濃度、粘度、揮発度と関係なく、正しい容量が常時分注されることを確実にします。
Combitips^® advancedポジティブディスプレイスメント分注チップは自動的に認識されます - 時間のかかる容量計算を除去します - ユーザー、インスツルメント、試料安全のハイレベルを供給するために密閉してシールします。感染性、毒性、放射線性の液体に理想的。

1978年EppendorfはMultipette/Combitips連続分注器システムを開発し、それ以来何度も改善してきました。これはユーザーがチップを一回充填して複数回分注することができる最初のピペッティングシステムでした。このコンセプトは効率的なリキッドハンドリングとプレートまたは一連のチューブで作業するラボにある重要要素のための駆動輪であり続けています。

簡単操作のための高度インターフェースとセンサーコントロール

ステップカウンター
• 実行分注ステップの数を表示

容量選択ダイヤル
• Combitips advancedの各サイズ用の20のさまざまな容量設定

モーションセンサー
Combitips advanced分注チップがアタッチされたままでも使用していない時はパワー節減のためにMultipette M4はスイッチが切れます。再び動くとスイッチが自動的にまた入ります。効率向上のために実行された分注ステップの数をまだ記憶しています。

Combitips advancedアタッチメントセンサー
• 自動Combitips advancedチップ認識と容量表示
• Combitips advancedとMultipette M4の間の安全接続を確実にすします

長い繰り返しのピペッティング作業をもっと快適にしてください

簡単にアクセスでき、簡単に調整可能な容量選択ダイヤルで、Multipette M4は繰り返しピペッティング作業を処理しやすいものにします。ハンドレストがリラックスした、人間工学的な手のポジションと使いやすさをサポートし、Multipette M4が一日中素晴らしいレベルの楽さを供給します。

人間工学的な形状をした操作レバーは両方共液体を充填し分注し、Combitips advancedディスペンサーチップを片手操作で排出もします。

How to use a Multipette M4 repetitive pipette?

The Multipette M4 is extremely easy to use: Just insert a compatible dispenser tip (Combitips advanced or ViscoTip) into the M4 while pushing the operating lever. The pipette automatically recognizes the tip size, and you can directly select the volume and steps needed for your application. The volume can even be changed between dispensing steps. Place the tip into the liquid sample and gently push the operating lever to aspirate the total volume to be dispensed. Push the operating lever once to trigger a reverse stroke needed to maximize accuracy. Afterwards, you can start dispensing into your target vessel(s) by pushing the operating lever slowly as far as it will go. Learn more in our Quick Start Guide.

お客様の連続分注器とピペットのための便利な保管オプション

壁の取り付けやEppendorf Pipette Holder Systemのための弊社のMultipette M4ピペットホルダーは事実上どの表面にも添付できる上、また弊社の各充電または非充電手動ピペット回転スタンドと共に内蔵できます。別方法としては、Multipette M4連続分注器1個はEppendorfによってPipette Stand 2で保管することができます。

ライフサイクルの最後に行う梱包材とピペットの廃棄

Multipette M4ディスペンサー梱包材には、段ボールやプラスチックホイルを含むさまざまな材料があります。当社のMultipette包装用段ボールの材料は、約92 ％リサイクル材料で構成されています。段ボール箱は回収し、お客様の施設で適切な回収容器に入れて廃棄し、貴重な原材料をリサイクルするという世界規模の持続可能性の取り組みにご協力ください。LD-PEで出来ているラッピングホイルに関しては、PE材をリサイクルできる専用のリサイクリングパートナーを選ぶことを推奨します。

Eppendorfリキッドハンドリング器機は長年にわたって使用するように設計されていますが、Multipetteの廃棄が必要になった場合は、汚染のリスクがあり、電子コンポーネントと（再充電可能）バッテリーを含んでいるということに注意してください。お客様の地域の生物安全性担当者および地域廃棄物管理に電子廃棄物とラボ廃棄物に関する要件とベストプラクティスについてお問い合わせください。 Eppendorf Decontamination Certificateを可能なドキュメンテーション要件に関する指針として使用してください。

読む量をもっと少なくする

仕様	Multipette^® M4スターターキット - 4982000314	Multipette^® M4 - 4982000012

ACTラベル	はい	はい
製品タイプ	分注器	分注器
ピペッティングタイプ	ポジティブディスプレイスメントシステム	ポジティブディスプレイスメントシステム
チャネル数	1-チャネル	1-チャネル
容量レベル	1 µL – 10 mL	1 µL – 10 mL
動作モード	手動シュドウ	手動シュドウ
ランダム測定誤差	see Combitips advanced	see Combitips advanced
系統測定誤差	see Combitips advanced	see Combitips advanced
オートクレーブ可能	いいえ	いいえ
バッテリータイプ	ボタン型電池	ボタン型電池
Consumables	Combitips^® advanced, ViscoTip^®	Combitips^® advanced, ViscoTip^®
オープンシステム（サードパーティ製消耗品）	いいえ	いいえ
納品内容	連続分注器、バッテリー(内藏式)、取扱説明書、証明書、Combitips advanced^® Box 2.0、Combitips^® advanced仕分けパック(各サイズ1チップ)、ピペットホルダー2	連続分注器、バッテリー(内藏式)、取扱説明書、証明書、Combitips advanced ノーズ 2.5 mL、ピペットホルダー2