Table of Contents
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M I L - R A M
Operating Voltage:
Arsine, AsH
3
Phosphine, PH
3
Diborane, B
H
2
6
Hydrazine, N
H
2
4
Silane, SiH
4
Detection Range:
Tungsten Hexafluoride, WF
Tetrachlorosilane, SiCl
Many More Gases
T E C H N O L O G Y
Two Wire Loop Powered
smarter Transmitter
Instruction Manual
10-30 VDC
Ammonia, NH
Boron Trichloride, BCl
Bromine, Br
Carbon Monoxide, CO
Chlorine, Cl
Chlorine Dioxide, ClO
Dichlorosilane, SiH
Fluorine, F
Hydrogen Bromide, HBr
Hydrogen Chloride, HCl
Hydrogen Cyanide, HCN
Hydrogen Fluoride, HF
Hydrogen Iodide, HI
Hydrogen Peroxide, H
Hydrogen Sulfide, H
Nitric Acid Vapors, HNO
Nitrogen Dioxide, NO
Oxygen, O
Ozone, O
Sulfur Dioxide
Silicon Tetrafluoride, SiF
Sulfur Dioxide, SO
Sulfuric Acid Vapors, H
6
4
TA-2102
3
3
2
2
2
Cl
2
2
2
O
2
2
S
2
3
2
2
3
4
2
SO
2
4
Mil-Ram Technology, Inc.
no false alarms
5423 Central Avenue Suite 1
Newark, CA 94560
Ph (510) 818-0200
Fax (510) 818-0300
Web: www.mil-ram.com
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Summary of Contents for Mil-Ram Technology, Inc. TA-2102
- Page 1 M I L - R A M T E C H N O L O G Y TA-2102 Two Wire Loop Powered smarter Transmitter Instruction Manual Detection Range: Operating Voltage: 10-30 VDC Ammonia, NH Boron Trichloride, BCl Bromine, Br Carbon Monoxide, CO...
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Page 2: Table Of Contents
Table of Contents I. Description ................1 II. Smarter Features ..............1 III. Installation ................2 IV. Transmitter Wiring..............4 V. Transmitter Operation ............5 A. Main Information Mode............ 6 B. Loop Test................9 VI. Diagnostic Messages............. 11 VII. Rain/Splash/RF Shield (optional)........12 IIX. -
Page 3: Description
2-Wire Toxic Smarter Transmitter Description: The model TA-2102 smarter Transmitter provides remote detection of a specific toxic gas using Mil-Ram’s patented no false alarms electrochemical sensor technology. transmitter is two-wire loop powered and transmits a standard 4-20mA signal. The smarter transmitter operates on 10-30 VDC. -
Page 4: Installation
III. Installation: The sensor is provided with ¾’ NPT external threads opposite the sensing end of the device. The sensor screws into an explosion-proof junction box which houses the smarter electronics. The sensor/smarter electronics/junction box assembly constitutes the transmitter. Install transmitter as follows: 1. - Page 5 2. Remove LCD display/main circuit board assembly by pulling up on face plate at two locations marked PULL (banana jacks secure the assembly in the junction box). Carefully lift assembly from junction box. 3. Carefully guide brown sensor cable connector through opening in bottom of junction box.
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Page 6: Transmitter Wiring
Transmitter Wiring: The smarter transmitter is 2-wire loop powered and operates on 10-30 VDC. Make connections as follows: Page 4 22May2002... -
Page 7: Transmitter Operation
Run two wires from the controller 4-20mA Input and signal common to the power/signal terminals located on the bottom of the main circuit board. The power/signal terminals are non-polarized. NOTE: The two power/signal wires must be isolated from other wires and should therefore be shielded or run in metal conduit to avoid electrical pick-up. -
Page 8: Main Information Mode
The switches are designated as follows: ENTER: A magnetic switch used to enter the main Information Routine to view Peak Value, Remaining Sensor Life, 15-Min. TWA (Time Weighted Average) and Ambient Temperature (degrees C). ENTER switch is also used to escape Loop Test in progress. A magnetic switch used to enter Zero Calibration mode and increment span calibration gas concentration. - Page 9 Note: While Peak Value is displayed, the value can be reset by momentarily holding magnet directly over RESET switch. A successful reset provides the following message on the LCD display Following Peak Value the LCD will automatically proceed to Remaining Sensor Life Page 7 22May2002...
- Page 10 Next, the LCD will proceed to 15-Min. TWA (Time Weighted Average) Next, the LCD will proceed to Ambient Temperature After approximately 5 sec. LCD display will return to normal operating mode to provide gas readings Page 8 22May2002...
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Page 11: Loop Test
Loop Test The smarter transmitter provides a built-in loop test whereby the transmitter outputs 4/8/12/16/20 mA on demand. The generated output signal can be used to verify readings/alarms at the Controller electronics and loop integrity. To enter loop test, hold magnet directly over RESET switch until LCD display shows Page 9 22May2002... - Page 12 To escape loop test without generating any output, hold magnet directly over DOWN switch until LCD display returns to normal operating mode To proceed with loop test, hold magnet directly over UP switch until LCD display shows To increment Signal Output, hold magnet directly over UP switch until LCD Increments Output Value.
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Page 13: Diagnostic Messages
To decrement Signal Output, hold magnet directly over DOWN switch until LCD display decrements Output Value. When Output reaches 4 mA the next decrement will roll-over to 20 mA. To exit LOOP TEST, hold magnet directly over ENTER switch to return to normal operating mode. -
Page 14: Rain/Splash/Rf Shield (Optional)
below alarm set point, relay automatically resets to original state. Latching: when alarm set point is reached and exceeded, relay is activated (i.e. open contacts close and closed contacts open). When gas concentration falls below alarm set point, relay does not reset to original state. The relay must be manually reset using a switch. -
Page 15: Iix. Sensor Calibration
Position lower portion of housing (cylinder) around sensor. Push upper edge of cylinder over upper housing. Tighten four set screws to secure cylinder. VIII. SENSOR CALIBRATION: NOTE: A routine program of calibration should be employed to ensure proper operation/performance of the sensor and system. Although the sensors are normally quite stable, it is generally recommended that calibration be performed monthly in the interest of safety. -
Page 16: Zero Calibration
Zero Calibration: In clean gas-free air, momentarily hold magnet over ZERO CAL switch until LCD display shows When zero calibration is complete, the transmitter will return to normal operation to provide meter readings. Note: If ambient air is not known to be gas-free, apply zero air (cylinder) using calibration Page 14 22May2002... -
Page 17: Span Calibration
Span Calibration: Momentarily hold magnet over SPAN CAL switch until LCD display shows Note: To exit span calibration mode without performing calibration, momentarily hold Magnet directly overt RESET switch. Momentarily hold magnet directly over UP or Down switch to increment or decrement calibration gas concentration. -
Page 18: Off-Site Sensor Calibration
Apply span calibration gas of exact concentration shown on LCD display using calibration cup. When span calibration is complete, the transmitter will return to normal operation to provide meter readings. Note: during span calibration and for a period of 5 minutes after calibration, the smarter transmitter outputs 4.0mA to prevent activation of alarms at the controller electronics. -
Page 19: Self-Calibration
Off-Site Sensor Calibration: The smarter transmitter Toxic gas sensors include an EEprom encapsulated inside the sensor housing. The EEprom retains all set-up parameters (alarm set points, relay operation/function, etc.) and sensor calibration factors. Therefore, the sensors can be calibrated in the instrument shop (i.e. off-site) with Mil-Ram Remote Calibration Electronics (contact factory) and the sensors re-installed in the field without further calibration. - Page 24 MIL-RAM TECHNOLOGY, INC. TOXIC GAS DETECTION INSTRUMENTS AND SENSORS - WARRANTY Mil-Ram Technology, Inc., warrants toxic gas alarm equipment manufactured and sold by it to be free from defects in materials, workmanship, and performance for a period of one year from date of shipment from Mil-Ram Technology, Inc.
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