RETURN OF GOODS TO MANUFACTURER If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to the address below. All shipments should include documentation containing return shipping address, customer name, telephone number, description of service requested, and all other necessary information.
Model 19A Micro R Meter TABLE OF CONTENTS 1. GENERAL ............................1 2. SPECIFICATIONS ..........................1 3. DESCRIPTION OF CONTROLS AND FUNCTIONS ..............2 4. OPERATING PROCEDURES ......................2 5. CALIBRATION ..........................3 6. MAINTENANCE ..........................4 PARTS LIST ............................5...
Model 19A Micro R Meter 1. GENERAL The Ludlum Model 19A Micro R Meter is a aluminum. Other operating features of the portable survey instrument having instrument include unimorph speaker additional feature of an audio and visual alarm. mounted to the instrument can with an audio...
The higher the rate is, 4. OPERATING PROCEDURES The Model 19A is a simple instrument to Check the instrument for the proper operate. All controls are located on the front panel along with the battery compartment.
C57-R27 junction. Replace instrument can. Set the pulse height at -80 mV. Take the Model 19A to a certified Calibrate the scales as shown in Table calibration range. Place the instrument in a 100R/hr (1 µSv/h) (exposure rate) 1.
Model 19A Micro R Meter When the alarm circuit is energized, both SPAN control for the upper reading. the audio and visual indications should Position meter pointer at the desired alarm occur. Depressing the ALARM RES set point with radiation source. Adjust the...
Model 19A Micro R Meter PARTS LIST Ref. No. Description Part No. Model 19A Ratemeter UNIT Completely Assembled Model 48-2117 19A Micro R Meter Circuit Board, Drawing 363 X 440 BOARD Assembled Circuit Board 5363-602 CAPACITORS 0.0015F, 3KV, C 04-5518 0.0015F, 3KV, C...
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Model 19A Micro R Meter 10-7016 100k 10-7023 470k 10-7026 2.7M 10-7029 10-7016 100k 10-7023 4.7k 10-7014 R128 100k 10-7023 R137 10-7016 R138 10-7028 R147 SAT (TYPICALLY 750k) R150 SAT (TYPICALLY 2.2k) R159 10-7016 R172 10-7020 R177 200 OHM 10-7006...
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Model 19A Micro R Meter Calibration Board, Drawing 367 x 48 BOARD Assembled Calibration Board 5367-064 RESISTORS R1-R2 100k TRIMMER 09-6823 500 OHM TRIMMER 09-6848 10-7016 100k TRIMMER 09-6823 100k 10-7023 MISCELLANEOUS CONN-640456-8 MTA100 13-8039 Wiring Diagram, Drawing 367 X 47...
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Model 19A Micro R Meter METER MVMNT 919492 1 mA 15-8030 M19A BATTERY BOX LID 9367-125 W/CE BATTERY CONTACT ASSY 2001-042 DEEP PORTABLE CAN ASSY 4363-615 M19A CASTING 9367-055 M19A MAIN HARNESS 8367-065 PORTABLE KNOB 08-6613 BATTERY LID W/LATCH 9367-032...
Model 19A Micro R Meter DRAWINGS AND DIAGRAMS Front of Manual: Model 19A Micro Sieverts Front Panel, Drawing 367 x 167 Back of Manual: *Main Board, Drawing 363 x 440 *Main Board Component Layout, Drawing 363 x 441 Calibration Board, Drawing 367 x 48...
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