McKESSON Walker Boot Non Air BEFORE USING THE DEVICE, PLEASE READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. CORRECT…
Figure 1. EMIT Non-Air Assisted Ion Bar
The EMIT Non-Air Assisted Ion Bar System has been designed to effectively eliminate localized static charges that exist in the work area. Ionizers are useful in preventing electrostatic charge generation, ElectroStatic Discharge, and ElectroStatic Attraction, as well as preventing equipment latchup. Per ANSI/ESD S20.20 section 6.2.3.1. Protected Areas Requirement states: “Ionization or other charge mitigating techniques shall be used at the workstation to neutralize electrostatic fields on all process essential insulators if the electrostatic field is considered a threat.” Air ionization can neutralize the static charge on insulated and isolated objects by producing separate charges in the molecules of the gases of the surrounding air. When an electrostatic charge is present on objects in the work environment, it will be neutralized by attracting opposite polarity charges from the ionized air. Note that ionization systems should not be used as a primary means of charge control on conductors or people. (Reference: EN 61340-5-2 clause 5.2.9). The Non-Air Assisted Ion Bar System is a pulsed DC ionizer. The bar’s emitters have alternating polarities over the length of the bar. This design results in less ion recombination than when the same emitter is used to output both polarities. The EMIT Non-Air Assisted Ion Bar System meets the ANSI/ESD S20.20 required limit of less than ± 50 volts offset voltage (balance) tested in accordance with ANSI/ ESD STM3.1. Per S20.20 Discharge Time required limits are “user-defined”.
Unpacking and Inspection
EMIT Controller and Bar Assemblies were carefully packed at the factory in a container designed to protect them from accidental damage. Nevertheless, EMIT recommends careful examination of the carton and its contents for any damage. If damage is evident, do not destroy the carton or packing material. Immediately notify the carrier of a possible damage claim. Shipping claims must be made by the consignee to the delivering carrier. The Non-Air Assisted Ion Bars are available in several sizes. There are six Controller options and several accessory items. See the following table for the list of available item numbers.
| Item # | Description |
| 50900 | Non-Air Ion Bar Assembly, 12″, 4 Emitters |
| 50901 | Non-Air Ion Bar Assembly, 24″, 6 Emitters |
| 50902 | Non-Air Ion Bar Assembly, 36″, 8 Emitters |
| 50903 | Non-Air Ion Bar Assembly, 48″, 12 Emitters |
| 50904 | Non-Air Ion Bar Assembly, 60″, 14 Emitters |
| 50905 | Non-Air Ion Bar Assembly, 72″, 18 Emitters |
| 50906 | Non-Air Ion Bar Assembly, 96″, 24 Emitters |
| 50855 | Pulsed Ion Bar Controller, North America |
| 50856 | Pulsed Ion Bar Controller, Asia |
| 50940 | Controller with Recessed Potentiometer Adjustment, 120V |
| 50941 | Controller with Recessed Potentiometer Adjustment, 220V |
| 50950 | Ion Bar 2-to-1 Connector Set (2 per pack) |
| 50952 | Emitter for Non-Air Ion Bar |
NOTES:
One EMIT Controller Console will power up to 40 emitters. It is possible to daisy-chain bars together as long as the total number of emitters does not exceed 40. For example, the EMIT 50902 has 8 emitters (40 ÷ 8 = 5), so up to 5 EMIT 50902 Bar Assemblies can be daisy-chained together using 1 Controller Console. Daisy-chain bars are special order only. The EMIT 50950 2-to-1 Connector Set may be used to power two Ion Bars with one Controller Console.
Figure 2. Using the 50902 2-to-1 Connector Set to Power Two Ion Bars
Ion Bar Sizes and Dimensions
Figure 3. EMIT Non-Air Assisted Ion Bar dimensions
| Item # | Length | Emitters | Emitter Spacing | Mounting Holes | Dim A | Dim B |
| 50900 | 12″ | 4 | 3″ | 2 | 1″ | 1.5″ |
| 50901 | 24″ | 6 | 4″ | 2 | 1″ | 2″ |
| 50902 | 36″ | 8 | 4″ | 2 | 3″ | 4″ |
| 50903 | 48″ | 12 | 4″ | 2 | 3″ | 2″ |
| 50904 | 60″ | 14 | 4″ | 2 | 3″ | 4″ |
| 50905 | 72″ | 18 | 4″ | 3* | 4″ | 2″ |
| 50906 | 96″ | 24 | 4″ | 3* | 4″ | 2″ |
NOTE: Contact manufacturer for custom dimensions
NOTE: The following instructions apply to the 50940 and 50941 Controllers only. Please see technical bulletin TB-6570 for operation instructions on the 50855 and 50856 Digital Controllers. There are two adjustments that can be made on the controller: BALANCE (offset voltage) and RATE. The BALANCE of positive and negative ion output can be adjusted to increase polarity bias by turning the BALANCE CONTROL, slowly turning clockwise to increase positive and decrease negative ON time pulses, or counter-clockwise to increase negative and decrease positive ON time pulses. The RATE or pulse frequency can be adjusted down to one pulse per second or up to 20 pulses per second by slowly turning the RATE CONTROL clockwise to increase and counter-clockwise to decrease the frequency.
REMEMBER
It is important to verify calibration after any adjustments and before using the Ion Bar System around sensitive electronics. Repeat the Balance Verification steps after all adjustments.
IMPORTANT
The Ion Bar System has been designed to minimize effects of localized static charges. If your processing involves generation of considerable static charges, you may need more aggressive equipment. EMIT offers a complete line of ionizers: benchtop, overhead and hand ion guns to meet all ionizing requirements.
DISCHARGE TIMES
| Discharge Times (±1,000V to ±100V) | Distance (inches) | Average Time (seconds) |
| Controller set to 2 pulses / sec (Hz) | 18 | < 20 |
| Controller set to 2 pulses / sec (Hz) | 12 | < 5 |
| Controller set to 1 pulse / sec (Hz) | 18 | < 6 |
| Controller set to 1 pulse / sec (Hz) | 12 | < 2 |
NOTE: This data applies to all EMIT Non-Air Assisted Ion Bars. Values will vary with the environment and particular applications.
Ion Bar Controllers
Figure 4. EMIT 50940 Controller with Recessed Potentiometer Adjustment
Figure 6. EMIT 50855 Controller with Digital Adjustment
ITEMS 50940, 50941
ITEMS 50855, 50856
CONTROLLER COMPARISON CHART
| 50940, 50941 | 50855, 50856 | |
| Remote Control | No | Yes |
| Input Power | 120 / 220VAC | 24VDC |
| Ionization | Pulse DC | Pulse DC |
| Balance | DUTY CYCLE Potentiometer Adjustment | DUTY CYCLE Digital Adjustment and Display |
| Period | Potentiometer Adjustment from 0.05 sec to 1 sec. | Digital Adjustment Increments from 0.1 sec to 10 sec. |
“All ionization devices will require periodic maintenance for proper operation. Maintenance intervals for ionizers vary widely depending on the type of ionization equipment and use environment. Critical clean roomuses will generally require more frequent attention. It is important to set-up a routine schedule for ionizer service. Routine service is typically required to meet quality audit requirements.” (ESD Handbook ESD TR20.20 section 5.3.6.7 Maintenance / Cleaning) Compliance Verification per ANSI/ESD S20.20 is to be per ESD TR53 using a Charged Plate Monitor or a SP3.3 Ionization Test Kit. Specifications and procedures subject to change without notice.
Limited Warranty, Warranty Exclusions, Limit of Liability and RMA Request Instructions
See the EMIT Warranty –
DescoEMIT.com/Warranty.aspx
EMIT – 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
| EMIT 50900 Non-Air Assisted Ion Bar System [pdf] Instruction Manual 50900 Non-Air Assisted Ion Bar System, 50900, Non-Air Assisted Ion Bar System, Assisted Ion Bar System, Ion Bar System, Bar System |
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