The NextStep gas detection instrument employs reliable paper tape detection system to sense toxic gases and utilizes the most advanced electronics technology and analysis software to meet the needs of health and safety professionals.

The NextStep is based on the popular Autostep Plus gas detection instrument, but incorporates a number of more advanced features that set it apart from other gas detection systems. In particular, the instrument features a multi function display to be accessed from outside the instrument without additional, expensive hardware or software.

Calibration Made Easy - In field calibration is made possible through the use of a single color based calibration card that ensures consistent performance within specific parameters and eliminates the need for annual factory testing.

Eliminated is the need to use potentially toxic gases when calibrating the instrument by providing pre-calibrated cassettes, which simplifies the inventory, service, and maintenance process. The cassettes are designed and produced by chemists to be gas specific to eliminate false positives from interfering gases.

Keeping Records - The highly accurate NextStep is designed with an internal clock that allows industrial hygienists or management to view the concentration levels of each sample session. Exposure levels can be downloaded via cable to any Windows-based PC. No proprietary software or hardware is required. With this information, a plant's environment can be re-engineered to reduce the levels of personnel exposure.

NextStep Simply Does It All - The NextStep is a versatile instrument that can be configured to detect a variety gases, eliminating the need to purchase different instruments to sample different gases. Changing the instrument from detecting one gas to another requires a simple change in cassettes. Once the proper cassette is inserted, the instrument will prompt the user to adjust the proper flow rate on an easy to read, backlit display panel.

Simplifying the NextStep's operation even further is the automatic light level control, which allows the user to easily change from detecting one gas to another just by changing cassettes and selecting the gas on the display. No gas specific calibration card is required because the NextStep's light level adjusts the instrument automatically according to user inputs. In addition, the instrument's pump flow can be set directly on the multifunctional display, eliminating the need for an adjustment potentionmeter.

Built-In Safety and Convenience - Various alarms have been engineered into the NextStep to provide a comprehensive warning system for the user. Loud audible and bright visual alarms are triggered to alert the user to conditions that require attention or emergency action, including low battery, high exposure and low flow rate. These alarms are built in to ensure accuracy during every sampling session.

Factory preset default settings and user security codes prevent unauthorized personnel from changing the instrument's characteristics or functions. This safety feature also helps avoid field sampling errors by requiring the user to reset the instrument for each session.

The cassette's clear body allows the user to easily determine the amount of tape remaining in the instrument before entering a potentially hazardous environment.

Clear Results - The NextStep incorporates a high contrast, backlit display that illuminates when function keys are pressed, when a gas reading has been recorded or when alarms have been triggered. The display can be easily read in low light conditions. Additionally, a concentration sample bar visually indicates if gas is present and tells when the sampling process is completed.

NextStep Power - A fully charged lead calcium gel battery powers the NextStep for 12 continuous hours. Audible and visual low battery indicators warn the user when the battery needs to be recharged.

NextStep Assurance - NextStep provides powerful portable gas detection. Its automated and self calibrating features make it one of the most reliable, fool proof, user friendly gas detectors on the market. Industries producing isocyanates commonly used to produce the polyurethane polymers for both flexible and rigid foams, fibers, coatings and elastomers will find the NextStep a welcome addition to their overall safety program.

Instrument Specifications

Construction	Case parts injection molded in high impact ABS, Internal assemblies (RFI/EMI protected) mounted on metal chassis. Battery pack is detachable.
Battery Recharge Time	Off: Maximum of 16 hours
	On: Charger connected, maximum of 24 hours using battery charger
Electronics	Solid State: Multi layer printed circuit boards. Ground planes where appropriate, coded flash and non-volatile memory
Diagnostics	Automatic and Continuous: Microprocessor controlled monitoring of key functions. Detection & display of light level fault, pump low flow and no flow monitoring, battery low and eminent shut down.
Input/Output Receptacles	Charger: A male 5 pin, 12mm bayonet lock receptacle providing a battery charge port
	Options/Comms: A female 7 pin, 12mm bayonet lock receptacle providing a 0-1 VDC analog output and a single solid state alarm relay output circuit (contact closure), rated @ 1A/60VDC maximum, 5A peak surge current for 1 sec. (Normally Open, under software control), and RS-232 serial data port.
External Controls	Main Display: Selector switches, Up Down, Left, Right and Enter/Set
Audible Alarm	Internal Sounder: 85 dB piezo-electric alarm module housed in vented chamber on instrument left side
Display	Pixel Type: Back lit display includes graphic representation of gas being samples as well as screens for all instrument editable functions.
Battery Capacity	Rechargeable lead acid, 16-20 hours
Accuracy	ppb Ranges: ± 20% of reading ± 1 ppb
	ppm Ranges: ± 20% of reading ± 0.01 ppm
Temperature Range	10 to 35°C
Humidity	15 to 85% RH non condensing
Dimensions	11.3" x 8.6" x 4.1"
Weight	5.5 pounds

Cassette Ordering Information

For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com.

Gas	Range	Cassette Part No.
Arsine	0-1,00 ppb	096-2951-6
CHDI	0-250 ppb	096-2951-1
Chlorine	0-2 ppm	096-2951-5
ClO2	0-2 ppm	096-2951-5
HDI	0-500 ppb	096-2951-1
HMDI	0-150 ppb	096-2951-1
HCl High Res	0-100 ppb	096-2951-7
HCl	0-2 ppm	096-2951-7
Hydrazine	0-1000 ppb	096-2951-3
IPDI	0-500 ppb	096-2951-1
MDI	0-200 ppb	096-2951-1
MMH	0-550 ppb	096-2951-3
PPDI	0-500 ppb	096-2951-2
Phosgene A	0-100 ppb	096-2951-4
Phosgene A	0-5 ppm	096-2951-4
Phosgene B	0-100 ppb	096-2951-8
Phosgene B	0-5 ppm	096-2951-8
TDI High Res	0-100 ppb	096-2951-2
TDI	0-200 ppb	096-2951-1
Velcorin	0-2 ppm	096-2951-10

Instrument Ordering Information

Instrument	Kit Instrument Part No.
NextStep Kit includes case, cal stick, flow test kit, download cable, charger and manual. Calibrated for TDI, MDI and Phosgene. Order Cassettes above, additional curves available at additional cost	096-3084
NextStep Kit inlcudes case, cal stick, flow test kit, download cable, charger & manual. Calibrated for Cl2, HCL, Arsine & Phosgene. Order Cassettes above, additional curves available at additonal cost.	096-3121
Flow Test Kit	096-3082
Charger	096-3083
Case	096-3094
Instruction Manual	087-0029
Light Baffle Probe, New Inlet Cap	073-0287
Calibration Stick	016-0802
Data Cable	096-2955

Downloads

NextStep Literature