Item 685-SC
This double beam, scanning, UV/Visible spectrophotometer has a variety of programmed measurement modes for photometrics, concentration, multi-wavelength, spectrum scanning, kinetics, quantitation, DNA and protein analysis making it ideal for a number of applications.
The stable optics and two detectors measure your samples and reference simultaneously  providing superior measurement accuracy. 

The variable spectral bandwidth provides your experiments with robust detection and quantitation limits, as well as optimal data precision and repeatability. This flexible platform allows the user to comply with multiple regulatory agencies using one spectrophotometer- saving money and time. Three scan speeds are available with wavelength scan intervals of 0.1, 0.2, 1, 2 or 5 nm. The large sample chamber is outfitted with a 10 x 10 mm cuvette holder, but allows for an 8-position cuvette changer (order 83070-61 separately) for flexibility.

The integrated user interface provides local controls with the touch of a keypad. The colored graphical display is easy to read and will display spectrum as well as kinetic curves. Prism PC software is supplied with the spectrophotometer to assist the user with post-measurement analysis. The Prism PC software can be used to fully control the spectrophotometer and comes pre-loaded with methods for DNA analysis, including 260/280 and 260/230 ratios with 320 nm correction. Under the multi-wavelength measurement mode, up to 20 wavelengths can be measured simultaneously and quantitation curves can be created by measuring up to 200 standards.

Operating system compatibility: Windows 2000, XP, Vista, Windows 7
Specifications & Description

• Stray Light<0.05%T at 220 nm, 360 nm
• Beam TypeDouble
• Bandwidth0.5 nm, 1.0 nm, 2.0 nm, 4.0 nm, 5.0 nm (variable)
• Min Wavelength (nm)190
• Max Wavelength (nm)1100
• Wavelength Noise<0.0005 A
• Wavelength Accuracy±0.3 nm at 0.5 and 1 nm bandwidth; ±0.5 nm at 2, 4 and 5 nm bandwidth
• Wavelength Reproducibility±0.2 nm
• Min Photometric - Transmittance (%T)1
• Max Photometric - Transmittance (%T)200
• Min Photometric - Absorbance (A)-0.3
• Max Photometric - Absorbance (A)3
• Photometric Accuracy±0.002 A (0-0.5 A); ±0.3%T (0-100%T)

Item 632-521
This easy-to-use spectrophotometer is ideal for the busy technician or student. Wavelength calibration is automatic at start-up and includes an auto-zero (% transmittance) functiona significant time saver. This spectrophotometer is fully GLP (Good Laboratory Practice) compliant. Each sample reading is given a time and date stamp and easily connects to a printerthen simply push the print key to send data.
The included 63-Zero PC software allows you to take and control measurements remotely, and export data and results to Excel, Word, Power Point, and other software applications for storage, reporting, or presentation. Transmittance, absorbance, or concentration with factor value, as well as wavelength are simultaneously. The digital, dual-line LCD shows error messages, prompts, mode indication, and concentration units (ppm, mg/L, g/L, M, %, or blank).

Specifications & Description

           Stray Light<0.5%T

           Source LampTungsten-Halogen

           Beam TypeSingle

           Bandwidth8.0 nm

           Min Wavelength (nm)320

           Max Wavelength (nm)1000

           Wavelength Accuracy±2.0 nm

           Min Photometric - Transmittance (%T)0

           Max Photometric - Transmittance (%T)199.9

           Min Photometric - Absorbance (A)-0.3

           Max Photometric - Absorbance (A)1.999

           Min Photometric - Concentration (C)-300

           Max Photometric - Concentration (C)1999

           DetectorSolid-state

           OutputRS-232; 0 to 1.999v

           Display TypeLCD (4-digit)

           Width (cm)26.16

           Height (cm)11.4

           Depth (cm)19.3

The four new spectrophotometers in the Jenway 73 series range include models 7300 and 7310 which cover the visible region of the spectrum. The 7305 and 7315 models use a flash xenon lamp to extend the wavelength range into the UV region of the spectrum.

The basic models, 7300 and 7305, feature measurement modes for absorbance, % transmittance, and concentration. The advanced models, 7310 and 7315, introduce additional measurement modes such as scanning, kinetics, and quantitation.

	730-001	730-501	731-001	731-501
Weight (lbs)	13.2
Dimensions (WxLxH) (in)	10.8 x 15.7 x 8.8
Warranty	3-yr, including xenon lamp
Wavelength
Range:	320-1000nm	198-1000nm	320-1000nm	198-1000nm
Light Source:	Tungsten halogen	Xenon	Tungsten halogen	Xenon
Resolution:	1nm
Accuracy:	±2nm
Repeatability:	±0.5nm
Spectral bandwidth:	5nm
Photometrics
Transmittance:	0-199.9%
Absorbance:	-0.300 to 2.500A
Accuracy:	±0.01Abs at 1.000 Absorbance
Resolution:	0.1%T, 0.001A
Concentration
Range:	-300 to 9999
Resolution:	Selectable 1/0.1/0.01/0.001
Calibration:	Blank with single standard or factor
Factor:	0.001 to 10000
Standard:	0.001 to 1000
Quantitation:
Range:	n/a	n/a	-300 to 9999
Resolution:	n/a	n/a	Selectable 1/0.1/0.01/0.001
Calibration:	n/a	n/a	Blank with up to 6 standards
Curve fit stats:	n/a	n/a	Quadratic, quadratic through zero, linear, linear through zero, interpolate
Kinetics
Measurement time:	n/a	n/a	2 to 9999 seconds
Calibration:	n/a	n/a	Blank with a single standard or factor
Resolution:	n/a	n/a	Selectable 1/0.1/0.01/0.001
Display:	n/a	n/a	Graphical and concentration
Analysis:	n/a	n/a	Concentration, rate of change, initial and final absorbance, or % transmittance
Spectrum:
Scan interval:	n/a	n/a	Selectable 1, 2, or 5nm
Analysis:	n/a	n/a	Absorbance, or % transmittance and peak and valleys
Analysis:	n/a	n/a	Concentration, rate of change, initial and final absorbance, or % transmittance

• Compact basic series - for the usual applications, made from the universal A-type membrane glass
• Comfortable handling, stylish design and reliable function
• Liquid electrolyte electrodes with unique platinum diaphragm and refill port slider
• Each electrode with individual serial number
• Fits both Pinnacle and SI Analytics pH meters
• Includes 1 m fixed cable

BlueLine pH Electrode	pH 14 285129147	pH 15 285129155	pH 25 285129258	pH 26 285129266
pH Range	0 to 14	0 to 14	0 to 14	0 to 14
Temperature Range	-5°C to +100°C	-5°C to +100°C	-5°C to +80°C	-5°C to +80°C
Temperature Sensor	NTC 30 k	NTC 30 k	N/A	NTC 30 k
Shaft	Glass, 12 mm Ø	Glass, 12 mm Ø	Noryl, 12 mm Ø	Noryl, 12 mm Ø
Shaft Length	120 mm	120 mm	120 mm	120 mm
Diaphragm	Platinum	Platinum	Fibre	Fibre
Reference System	Ag/AgCl	Ag/AgCl	Ag/AgCl	Ag/AgCl
Referencee Electrolyte	KCl 3 mol/L	KCl 3 mol/L	Gel (KCl), low maintenance, not refillable	Gel (KCl), low maintenance, not refillable
Shape of Glass Membrane	Conical	Conical	Cylindrical	Cylindrical
Resistance of Glass Membrane (25°C)	200 M	200 M	400 M	400 M
Type of Membrane Glass	A	A	A	A
Connection	DIN 19 262 + banana plug	BNC plug + banana plug	BNC plug	BNC plug + banana plug

The 3-in-1 electrodes measure pH, reference, and temperature in one electrode. These electrodes are constructed out of an epoxy material for increased strength and durability. The 3-in-1's temperature compensation will only work with our 300 and 400 series meters. The refillable 3-in-1 electrode has a patented ion barrier which produces the fast response of an Ag/AgCl electrode without the use of AgCl in the reference solution. This results in a tris compatible electrode. This electrode also features patented replaceable junction for extended electrode life.

Special Features: Replaceable Junctions

Slow response times and unstable readings are most often caused by clogged or contaminated reference junctions. Our patented replaceable junction lets you restore your electrode to like-new performance in minutes, at a fraction of the cost of a new electrode.

Item #	476156	476286	476346	476436	476466	476476
Model	Semi-Micro Refillable	Flat Surface	Semi-Micro Gel	3 in 1 Refillable	3 in 1 Gel	Gel Spear Tip
Connector Types	BNC	BNC	BNC	BNC	BNC	BNC
ATC Connector				RCA	RCA
Measuring
pH Range	0 to 14	0 to 14	0 to 14	0 to 14	0 to 14	2 to 13
Reference
Internal Element	Silamid (Ag+ Barrier)	Silamid (Ag+ Barrier)	Ag/AgCl	Silamid (Ag+ Barrier)	Silamid (Ag+ Barrier)	Silamid (Ag+ Barrier)
Fill Solution	3 M KCl	3 M KCl	Gel	3 M KCl	Referid Polymer	Gel
Junction Material	Platinum	Replaceable Ceramic	Annular	Replaceable Ceramic	Open (Hole)	Ceramic
Temperature
Operational Range	0 to 100°C	0 to 100°C	0 to 80°C	0 to 100°C	0 to 80°C	-5 to 80°C
Dimensions
Overall	8.07 in (205 mm)	6.1 in (155 mm)	7.5 in (190.5 mm)	6.1 in (155 mm)	6.1 in (155 mm)	5.6 in (143 mm)
Body/Tip	0.47 in (12 mm) /	0.47 in (12 mm)	0.25 in (6.35 mm)	0.47 in (12 mm)	0.47 in (12 mm)	0.43 in (11 mm) /
	0.19 in (5 mm)					0.39 in (10 mm)
Cable Length	38 in (1M)
Body Material	Glass	Polymer	Epoxy	Polymer	Polymer	Polymer
Fill Solution	477006	477006	None	477006	None	None
Replaceable Junction	N/A	477269	N/A	477269	N/A	N/A
Applications
	- Sample depth 5/8 in minimum	- Replaceable junction helps prevent clogging	- Culture tubes	- Replaceable junction helps prevent clogging	- Designed for durability and ease of maintenance in aqueous sampling	- Sampling meats, cheese
	- Small volume	- Small samples	- Low maintenance	- General pH measurement with automatic temperature compensation	- General pH measurement with automatic temperature compensation	- Low maintenance
	- Tris Buffer	- Tris Buffer	- Sample depth 3/8 in minimum	- Tris Buffer	- Tris Buffer
	- Non-aqueous	- Semi-solid substance
Warranty	1-yr	1-yr	6 Months	1-yr	1-yr	6 Months

Entris® II Essential Line with External Calibration

• Highly accurate results - guaranteed via monolithic weigh cell technology invented by Sartorius
• Fastest stabilization time in its class - using state-of-the-art weighing sensors
• High chemical resistance - ensured using parts made from hard-wearing polybutylene terephthalate (PBT), stainless steel and glass

No matter what you're weighing, the new Entris® II is always the right choice. Offering unrivaled value at a budget price, this is the only balance in its class featuring isoCAL, LED touch technology and 12 built-in applications. Backed by almost 150 years of German engineering expertise, and available in 40 different models, you'll easily find an Entris® II balance that exactly meets your specific weighing needs.

Display
Intuitive, wear resistant LED screen with touch technology

Built-in Applications

• Weighing | Dosing
• Counting
• Percentage weighing
• Mixing | Net total
• Components | Totalizing
• Animal weighing
• Calculation | Free factor
• Density determination
• Underfloor weighing feature for bigger samples
• Statistics
• Peakhold
• Checkweighing
• Mass unit conversion

Languages
English, German, France, Italian, Spanish, Portuguese, Russian, Polish

Protection

• Chemical resistant housing parts
• Glass parts of the draft shield are coated to reduce electrostatic influences
• Display foil (available as accessory)
• Dust cover for balances with draft shield

Entris® II Essential Line with Internal Calibration

• Highly accurate results - guaranteed via monolithic weigh cell technology invented by Sartorius
• Fastest stabilization time in its class - using state-of-the-art weighing sensors
• High chemical resistance - ensured using parts made from hard-wearing polybutylene terephthalate (PBT), stainless steel and glass

No matter what you're weighing, the new Entris® II is always the right choice. Offering unrivaled value at
a budget price, this is the only balance in its class featuring isoCAL, LED touch technology and 12 built-in
applications. Backed by almost 150 years of German engineering expertise, and available in 40 different
models, you'll easily find an Entris® II balance that exactly meets your specific weighing needs.

Display
Intuitive, wear resistant LED screen with touch technology

Built-in Applications

• Weighing | Dosing
• Counting
• Percentage weighing
• Mixing | Net total
• Components | Totalizing
• Animal weighing
• Calculation | Free factor
• Density determination
• Underfloor weighing feature for bigger samples
• Statistics
• Peak hold
• Check weighing
• Mass unit conversion

Languages
English, German, France, Italian, Spanish, Portuguese, Russian, Polish

Protection

• Chemical resistant housing parts
• Glass parts of the draft shield are coated to reduce electrostatic influences
• Display foil (available as accessory)
• Dust cover for balances with draft shield

This item has been discontinued.

Check out our Heathrow Scientific® Serialized Glass Thermometers for more options!

Heathrow Scientific® Glass Thermometer

 

Accurate and reliable for laboratory use.

 

Our Glass Thermometers are ideal for general laboratory applications, educational settings, and testing environments. Designed for precision and durability, these thermometers feature a white-backed scale for easy reading and spirit-filled liquid for safe, accurate measurements. Available in a variety of temperature ranges to suit multiple applications, each thermometer includes permanent markings and non-roll fittings for added convenience and safety. Perfect for schools, labs, and research facilities.

 

Main Attributes

• Accurate temperature measurement for lab and classroom use
• White backing for clear visibility
• Spirit-filled liquid (non-mercury) for safe operation
• Permanent, easy-to-read markings
• Non-roll fittings to prevent accidents
• Available in multiple temperature ranges