The Measure of Excellence Codes and Explanations
N, NR (Cemented Needle, Cemented Needle Rheodyne) The stainless steel needle is cemented into the glass barrel such that it aligns with the zero point of the scale. NR stands for Rheodyne specified syringes.
LTN (Luer Tip Cemented Needle) The needles of the 1000 series syringes are cemented into the conical glass luer tip.
SN, LTSN (Special Cemented Needle, Special Luer Tip Cemented Needle) Syringes with special lengths. To manufacture SN syringes we need the following specifications: (*=gauge/*=length/*=point style) whether electro-tapered. Example of a correct needle specification: 701 SN gauge 25 / length 70 mm / pst3 = 80308 701 SN (25/70/3).
Cemented needles are not recommended for use with halogenated solvents such as CH2 Cl2 .
RN, RNR (Removable Needle, Removable Needle Rheodyne) RN needles like cemented needles are adjusted to the zero graduation mark of the syringe scale. Their connection is therefore dead volume free. Needles for syringes with a volume capacity of 2.5 μl to 100 μl are interchangeable, likewise needles for syringes with a capacity of 250 μl to 10 ml. RN needles are available from gauge 18 up to gauge 34.
RN needles are recommended for advantageous laboratories with multiple users or different applica- tions, economical since you can replace the needle without having to purchase a new syringe.
KH (Knurled Hub) Removable plunger/needle assembly, knurled hub is used exclusively in 7000 series syringes.
The attachment of different spacer lengths enables repeatable depth injections. KHOC is Knurled Hub On Column.
LT (Luer Tip) Ground glass tip can be used with most hypodermic needles (Kel-F® needles, N needles, PTFE tubing assemblies and connectors for a tight seal). The LT syringe offers a wide flexibility. LT syringes can be heated up to 115°C.
SL (SampleLock™) Lock your SampleLockTM
valve port into samples contained in the SampleLockTM and plunger blowout at elevated pressure.
syringe with the easy-to-use twist valve. An internal standard can be injected through the syringe. The positive rear plunger stop prevents loss of sample
TLL, TLLX (PTFE Luer Lock, PTFE Luer Lock with stop) Male luer taper with nickel plated hub accepts, and locks in place, luer hub needles and connectors. TLL and TLLX are used in HAMILTON Diluters/Dispensers and in many other pipetting systems. The X-style plunger stop incorporates a 6-32 UNC female thread on the end of the stop to allow attachment to drive arm mechanism.
T H E ME A S U R E O F E X C E L L E N C E TM - 8 -
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