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Our easy-to-use, online catalog includes over 13,000 instruments and computer products from Agilent, Textronix, Fluke, Rohde & Schwarz, B&K Precision, Hewlett Packard, Instek, Extech, AEMC, Megger, Sun Microsystems and other leading manufacturers. Our knowledgable Sales Technicians are eager to assist in helping you specify solutions and take pride in competitive pricing, quick deliveries and robust warranties for both new and refurbished instruments!

Email sales@GlobalTestSupply.com or call 888-610-7664 to speak with a Sale Technician (9am-5pm ET).

Dwyer 123-153 - Dwyer 123-153 WATER LEVEL CONTROLLER, SPDT MERCURY
Dwyer DBLM3040 - Dwyer DBLM3040 LEVEL MONITOR, MINI-BIN, DRY BULK, 110 VA
Dwyer DBLM3140 - Dwyer DBLM3140 LEVEL MONITOR, MINI-BIN, DRY BULK, 220 VAC
Dwyer F6-HPS-11 - Dwyer F6-HPS-11 LEVEL SWITCH, HORIZONTAL MOUNT, INTERNAL, 176 degrees F (80 degrees C)
Dwyer F6-HPS-21 - Dwyer F6-HPS-21 LEVEL SWITCH HORIZONTAL MOUNT 176 degrees F 80 degrees C
Dwyer F6-HPS-31 - Dwyer F6-HPS-31 LEVEL SWITCH HORIZONTAL MOUNT INT/EXT 176 degrees F 80 degrees C
Dwyer F6-MHS - Dwyer F6-MHS LEVEL SWITCH ,HORIZONTAL MOUNT INTERNAL, 304SS 176 degrees F 80 degrees C
Dwyer FSW-15 - Dwyer FSW-15 LEVEL SWITCH, FREE FLOATING, 49ft (15m)
Dwyer FSW-30 - Dwyer FSW-30 LEVEL SWITCH, FREE FLOATING, 98ft (30m)
Dwyer FSW-6 - Dwyer FSW-6 EVEL SWITCH, FREE FLOATING, 19.5ft (6m)
Dwyer L10-B-3-A - Dwyer L10-B-3-A LEVEL SWITCH,BRASS.1"NPT MAX.PRESS. 200 PSIG
Dwyer L10-B-3-B - Dwyer L10-B-3-B LEVEL SWITCH BRASS 1 inch NPT MAX PRESS 250 PSIG
Dwyer L10-B-3-C - Dwyer L10-B-3-C LEVEL SWITCH BRASS 1 inch NPT MAX PRESS 350 PSIG
Dwyer L10-B-3-H - Dwyer L10-B-3-H LEVEL SWITCH BRASS 1 in NPT MAX PRESS 250 PSIG
Dwyer L10-B-3-O - Dwyer L10-B-3-O LEVEL SWITCH BRASS 1in NPT MAX PRESS 1000 PSIG
Dwyer L10-S-3-A - Dwyer L10 S 3 A LEVEL SWITCH SS 1in NPT MAX PRESS 200 PSIG
Dwyer L10-S-3-C - Dwyer L10 S 3 C LEVEL SWITCH SS 1 NPT MAX PRESS 350 P SIG
Dwyer L10-S-3-L - Dwyer L10-S-3-L LEVEL SWITCH, SS, 1in NPT MAX. PRESS. 350 PSIG
Dwyer L10-S-3-O - Dwyer L10-S-3-O LEVEL SWITCH,1in NPT, SS, MAX. PRESS. 2000 PSIG
Dwyer L10-S-3-S - Dwyer L10-S-3-S LEVEL SWITCH,SS,1in NPT MAX. PRESS. 2000 PSIG
Dwyer L4 - Dwyer L4 LEVEL SWITCH, FLOTECT, BRASS, SIDE WALL MOUNT
Dwyer L4-SS - Dwyer L4-SS FLOAT SWITCH, FLOTECH, SS
Dwyer L4-TOP - Dwyer L4-TOP LEVEL SWITCH, FLOTECT, BRASS, VERTICAL/TOP MOUNT
Dwyer L4SS-D - Dwyer L4SS-D LEVEL SWITCH, FLOTECT, 316SS, SIDE WALL, DPDT
Dwyer L4SS-MT - Dwyer L4SS-MT LEVEL SWITCH, FLOTECT, 316SS, SIDE WALL, HI TEMP.
Dwyer L4SS-TOP - Dwyer L4SS-TOP LEVEL SWITCH, FLOTECT, 316SS,VERTICAL/TOP MOUNT
Dwyer L6EPB-B-S-3-A - Dwyer L6EPB-B-S-3-A LIQUID LEVEL SWITCH, BRASS HOUSING, SS FLOAT
Dwyer L6EPB-B-S-3-B - Dwyer L6EPB-B-S-3-B LIQUID LEVEL SWITCH, BRASS, 250 PSI, 0.9 GRAVITY
Dwyer L6EPB-B-S-3-C - Dwyer L6EPB-B-S-3-C LIQUID LEVEL SWITCH, SPDT BRASS, 350PSI,. 7 GRAVITY
Dwyer L6EPB-B-S-3-H - Dwyer L6EPB-B-S-3-H LIQUID LEVEL SWITCH, SPDT, BRASS, 250PSI,. 7 GRAVITY
Dwyer L6EPB-B-S-3-O - Dwyer L6EPB-B-S-3-O LIQUID LEVEL SWITCH, C/W GROUND LEAD WIRE
Dwyer L6EPB-S-S-3-A - Dwyer L6EPB-S-S-3-A LIQUID LEVEL SWITCH, SPDT SS, 200PSI,.5 GRAVITY
Dwyer L6EPB-S-S-3-C - Dwyer L6EPB-S-S-3-C LIQUID LEVEL SWITCH, SPDT, SS350 PSI,. 7GR., CSA
Dwyer L6EPB-S-S-3-L - Dwyer L6EPB-S-S-3-L LIQUID LEVEL SWITCH, SS, 350PSI,. 7 GRAVITY
Dwyer L6EPB-S-S-3-O - Dwyer L6EPB-S-S-3-O LIQUID LEVEL SWITCH, SPDT, SS, 2000PSI,. 9GR., CSA
Dwyer L6EPB-S-S-3-S - Dwyer L6EPB-S-S-3-S LIQUID LEVEL SWITCH, SPDT, SS, 2000PSI,. 9GR., CSA
Dwyer L8 - Dwyer L8 LIQUID LEVEL SWITCH
Dwyer L8-MV - Dwyer L8-MV LIQUID LEVEL SWITCH W/GOLD CONTACTS
Dwyer L8-WP2 - Dwyer L8-WP2 LIQUID LEVEL SWITCH, W/WEATHERPROOF ENCL
Dwyer MULS-SN-A - Dwyer MULS-SN-A LEVEL SWITCH, ULTRASONIC, 1/4in NPT
Dwyer MULS-SN-B - Dwyer MULS-SN-B LEVEL SWITCH, ULTRASONIC, 1/2in NPT
Dwyer OLS-10 - Dwyer OLS-10 OPTICAL LEVEL SWITCH, LED 316SS/POLSULFONE
Dwyer OLS-11 - Dwyer OLS-11 OPTICAL LEVEL SWITCH, LED POLYSULFONE WETTED PARTS
Dwyer OLS-12 - Dwyer OLS-12 OPTICAL LEVEL SWITCH, LED TEFLON WETTED PARTS
Dwyer PLS-W-S-1-0-0-0-0 - Dwyer PLS-W-S-1-0-0-0-0 PADDLE LEVEL SWITCH
Dwyer PLS-W-S-1-2-CSH-0-0 - Dwyer PLS-W-S-1-2-CSH-0-0 PADDLE LEVEL SWITCH, W/ PDL-1 PADDLE
Dwyer PLS-W-S-1-3-0-0-0 - Dwyer PLS-W-S-1-3-0-0-0 PADDLE LEVEL SWITCH, W/ PDL-3 PADDLE
Dwyer WD - Dwyer WD WATER DETECTOR MODULE, ALUMINUM ENCLOSURE
Dwyer WD2-BP2 - Dwyer WD2-BP2 WATER DETECTOR, BATTERY POWERED, W/SSR
Dwyer WD2-LP - Dwyer WD2-LP WATER DETECTOR, LINE POWERED, W/SPDT