online store
Topac's Instrumentation News

New Gas Sensors work with Smartphone for setup and monitoring
O2, CO, CO2, H2, H2S, NO2, NH3, CH4, Combustible

New Catalog Electrophoresis-Cleaver

New Catalog Pressure/Temperature/Sensors/Dataloggers
RH/water analysis/pH

High Precision Digital Manometers with data logging
Range or pressure for differential and absolute
Serial interface USB
Data logging
Intrinsically safe option

Digital Panel Meters by Asahi Keiki Watanabe
Highly sensitive and accurate panel meters for a wide array of applications. Volt and ammeters, set point comparators, thermometer, tachometer, strain gauge, and remote monitors.
visible spectrophotometer
For assistance to place an order or to set up an instant account call
TOLL FREE 1 - 877 261 0473
Product Listing
Modified Atmosphere Packaging
1)  MAP resource page
2)  Oxygen analyzers overview
3)  CO2 and O2 headspace analyzers
4) Oxygen monitor - handheld
5)  O2/CO2 analyser with high accuracy CO2 for respiration
6)  Proportional gas mixers
7)  Oxygen Analyzers for vacuum packaging systems
8)  On line oxygen monitors
9)  Leak detection MAP
21) Polarimeters Overview
23)  The Sugar Page
23) High Resolution
Circle Polarimeter
24)  Economy Circle Polarimeter
25)  Half Shadow Polarimeter
26)  Tubes & wave plates
27)  Saccharimeters -wedge type
28)  Sugar Polarimeters
29)  Reflectance meter
for sugar color
Light Flux Meters
Solar Radiation Directory
Spectroradiometer DataLogger
Solar Irradiance Pyranometers
Lux Meters Irradiance
30) Refractometers overview
31)  Refractometers Automatic Digital
32)  Refractometers -high temperature
33)  Refractometer - Process
34)  Refractometers hand held
35) Urine Specific Gravity
36) Gem Refractometers
40 Humidity
41)  Temperature
42)  Non contact IR thermometers
43) Digital thermometers and dataloggers
44)  RH/Temp loggers
50)  Dissolved oxygen
51)  Ion Selective Electrodes 
52) -
53) pH directory 
54)  pH/mV/Ion/temp non glass type
55)  Salinity/Conductivity
60) MicroBiology Page
61)  Colony Counters
62)  Electrophoresis directory
63)  Electrophoresis Power Supplies
64)  Fluorometer
65)  Fermenters
66) Liquid Handling Products
67)  Spiral Plater
68)  Stomach Blenders
69) Water Activity
General Laboratory
70)  Chart Recorders
71.a) Hydronic Manometers
71)  Digital Manometers
72) Radiation Safety Directory
shields, waste bins, monitors
74)  Seives and Shakers
75)  Hygrometry
76)  Spectrophotometry


Analytical balances
78) Coolers -Chillers
79) Density Meters
80) Microscopes
81) Melting Point Meters
82) Flame Photometer
83) Moisture
84) Nitrogen Generators
85) Ultra Dry Air Generators
86) Flow Indicator
89) Flow Switch
Mechanical Testing
90)  Compressive and tensile force sensors and transducers
91) Digital Push Pull force gages
92) Analog force gauges
93) High Precision force gauges
94) Ultrasonic thickness gages
95) Torque Meter
Medical Laboratory
96)  Clinical refractometers
97)  Bilirubin Analyzer
Gas Monitors/Analyzers
100  a.Combustion emissions analyzer
  b. Portable Industrial Emissions Analyzer
  c. Sniffer 7899 Portable combustible gas analyzer
101 CO2 "Guardian" monitor - safety & horiticulture
102 Diffusion CO2 monitor - crops.
103 Methane CH4 monitor process
104 Carbon monoxide CO process monitor
105 Combined O2/CO2 analyzer
106 Personal safety monitors
107 Wall and duct mount safey monitors
108 Explosion proof gas safety monitors
109 Welding purge gas analyzer
110 Refrigerant gas monitor
Surface Science Components
111 Twin anode X ray source
112 Ion source for sample preparation
113 Low Energy Electron Gun for ELS
117 Ultra Dry Air Generator
Water Testing
121 Field Turbidity
122 Lab Turbidimeter
123 online Turbidimeter
124 Multimeter
125 Chlorine Photometer
126 Dissolved Oxygen sonde
127 Ultra Dry Air Generator for TOC FTIR
Fire and Smoke
200 Smoke simulation
201 Foam concentration refractometer
300) Sound Level Meters
Inquiry Form
Order Form
New - injection moulded electrophoresis tanks guaranteed leak proof construction. Made to industry standard sizes for pre-cast gels. Each unit can take several tray sizes. Casting gates included.
Laboratory radiation safety
Radiation safety products, beta and gamma ray shields, waste bins, radiation monitors
New palm size Urine Specific Gravity refractometer
Palm size Ur SG refractometers. Replace your hand held 'hold it up to the light' units with the ease accuracy and repeatability of digital technology.
pH / ISE Temperature
pH and ISE electrodes thermometers
Conductivity Dissolved Oxygen
conductivity salinity resistivity Dissolved Oxygen

Manometers - digital        Oxygen gas monitor   
RH temperature
Air Flow

Digital Manometeroxygen monitor
Air Quality CO CO2

Air Quality Monitoring

Personnel safety monitors

Water Quality

Dew Point - Moisture - Water Activity
RH/ Dew point/Hygrometers
Dew point transmitter monitor
Recording logging monitoring
Small chart recorders

Data Loggers

Temperature Data loggers

small chart recorders Humidity Temperature Recorder
Long term RH/Temp recorder
Components DPMs  
Setpoint comparators,
process monitors etc..
Optical properties - Refractometers - photometers
Refractometershand held refractometer small lab refractometer Chlorine photometer
Spectrophotometers Digital
Chlorine Photometer
Physical properties - force - thickness - size


Push Pull
Analytical BalancesElectronic Analytical Balance   Sieves
Special Instruments

Food Lab
head space analysis Includes a range of products for head space analysis, brix measurement, water activity pH and Modified Atmosphere - Packaging;  PBI Dansensor, oxygen and carbon dioxide headspace analyzers for on and off line use, and leak detection systems for carbon dioxide MAP packages. ( Topac provides sales, service and spare parts for PBI products previously sold through Multivac Inc. Multivac customers may contact us topHLance receive more information about new products, parts and service.)
   New pH instruments for food include the non glass pH probes from Sentron the ideal pH system for all food industry applications. See the LanceFET no glass no slip probe for meat and poultry.

New Spiral Plater, and colony counters. A complete range ofelectrophoresis equipment for electrophoresis including gel apparatus, power supplies, combs, gel documentation systems and transilluminators
Stomach action Bag Mixer Blenderblenders and supplies from Interscience a complete range of blenders, sterile filter bags and accessories. Bacteria enumeration & colony counters

Sugar Laboratory Saccharimeters and other sugar laboratory instruments from industry leader Schmidt & Haensch

Chemistry and Bio Chemistry Laboratory
refractometerLaboratory and Process Control Instrumentation
This group includes the products of Schmidt and Haensch, Refractometers for laboratory and process applications and full range of Automatic Circle Polarimeters


oxygen free weldingOxygen analyzers and purge fixtures for oxygen free welding of high alloy steels. Tungsten electrode grinder.
Soldering - Oxygen analyzers for monitoring and control of the residual oxygen in the nitrogen purge gas used in re-flow and wave soldering systems

Surface Science
Surface Science Components
Includes products from  PSP Vacuum Technology, SciCam and others -X-ray sources, ion guns, electron guns, multi-channel detectors, electron energy analyzers and parts and service for VSW (Vacuum Science Workshop Ltd) equipment.

Topac is a distributor of a broad range of scientific, industrial and process control instrumentation.
 Topac provides applications support, calibration and maintenance service for all of the products listed here. Take advantage of our secure instruments on line store for speedy economic purchasing of instruments and supplies.

| E-mail | Online store | Inquiry form | Order form | Links |


Copyright ©2018 by Topac Inc. - ALL RIGHTS RESERVED
Terms and Conditions

If you need assistance to place an order or to set up an instant account call TOLL FREE 1 - 877 261 0473

Topac Inc. 231 CJC Highway,
Suite 103, P.O Box 660 Cohasset MA 02025, USA