Wm.B.Johnson and associates GSM 10s free download

File name GSM-10S MANUAL.pdf

JOHNSON MODEL GSM-10S RADIATION MONITOR OPERATIONS & MAINTENANCE MANUAL SECTION CONTENTS 1----------------------------------------- WARNING HIGH VOLTAGE 2----------------------------------------- SPECIFICATIONS 3---------------------------------------DESCRIPTION 4------------------------------------------------THEORY OF OPERATION 5-------------------------------------------OPERATING CONTROLS 6------------------------------------OPERATING INSTRUCTIONS 7----------------------------------MAINTENANCE 8---------------------------------PARTS LIST 9----------------------------------SCHEMATICS Wm B. Johnson & Associates Inc. POBox 472 216 Edgar Ave. Ronceverte. West Virginia 24970 Telephone: 304-645-6568 Fax: 304-645-2182 WMBJ_____________________________________________________GSM-10S 1.0 WARNING HIGH VOLTAGE High voltage is used in the operation of this equipment. Severe shock may result if personnel fail to observe safety precautions. Learn the areas containing HIGH VOLTAGE in each piece of equipment. Be careful not to contact HIGH VOLTAGE when installing or working on this equipment. When servicing, ground points of high potential before touching them. PAGE1 WMBJ_____________________________________________________GSM-10S FRONT VIEW FIGURE 1 PAGE 2 WMBJ_____________________________________________________GSM-10S SPECIFICATIONS INPUT SENSITIVITY ---------------------- 0.05 V-PP MAXIMUM 5V-PP MINIMUM - NEGATIVE PULSES RANGES ------------------------------------------------------ 3 RANGES - X100, X10 &X1 METER SCALE IS 0 - 500 CPM EACH RANGE HAS SEPARATE CALIBRATION CONTROLS ± 3% OF FULL SCALE LINEARITY -------------------------------------- RESPONSE TIME -------------------------- DRIFT -------------------------------------------- 4 SECONDS -> 20 SECONDS LESS THAN 5% TEMPERATURE COEFFICIENT ------------ LESS THAN 5% HIGH VOLTAGE --------------------------------------ADJUSTABLE FROM 500-1500 VDC REGULATED ± 1% LOW VOLTAGE ------------------------------------ +8.5 VDC REGULATION ± 0.5 % BATTERIES ------------------------------------------------2 -1.5 VDC "D" CELL ALKALINE BATTERY OPERATION -------------------------- 200 HRS NOMIAL 2.5" SCALE - RUGGIZIDED METER MOVEMENT CALIBRATED 0500 CPM - LINEARITY ± 3% METER ----------------------------------------------------- RANGE ~~~~----------------------------------------------- 5 DEC CENT. TO 60 DEG CENT. HUMIDITY RANGE ------------------------------- 5 - 95% NON CONDENSING WEIGHT ------------------------------------------ 3 1/4 POUNDS INCLUDING BATTERY HOUSING -------------------------------------- 16 Ga. ALUMINUM WITH HEAVY DUTY CARRYING HANDLE HOUSING FINISH -------------------------------- BLUE CATALYZED POLYURETHANE WASH PRIMER UNDERCOAT PAGE 3 WMBJ___________________ ____ GSM-10S 3.0 DESCRIPTION The Johnson Model GSM-10S is a ruggedized, portable rate meter designed to provide years of dependable service under lab and field conditions. A durable panel meter displays the det