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HM Digital Meters

HM Digital® water quality testing instruments are superior in construction and
performance, yet made available at a very economic cost. HM Digital, Inc.® is the only
manufacturer of economical in-line dual TDS meters that measure total dissolved solids
(TDS) levels of feed and product water lines simultaneously, an effective way to compare
rejection rates and gauge reverse osmosis membrane, water fi lter and water purifi cation
performance.


(COM-100)


(DM-1)


(QC-1)

TDS Meters
Description Part #
EC/TDS/TEMP WATERPROOF METER COM-100
IN-LINE DUAL TDS METER; 1/4" JG DM-1
IN-LINE DUAL TDS METER; 3/8" JG DM-1A
QUICK CHECK TDS/COND MONITOR QC1
TDS & TEMP METER W/CASE; 0-9990 TDS-3
POCKET SIZE TDS METER; 0-999 PPM (W/ATC) TDS-4
ECONOMY TDS METER; 0-9999 PPM TDS-EZ
   
   

(TDS-4)
(TDS-EZ)


(DM-2)

Commercial TDS Meter
Description Part #
INLINE DUAL TDS METER COMMERCIAL DM-2


(AP-1)

AquaPro Water Quality TDS Tester
Description Part #
0-5000 PPM (mg/L) AP-1


(PSC-150)

Extended Range EC/TDS Controller
Description Part #
EXTENDED RANGE TDS/EC CONTROLLER PSC-150

(PH-200)

pH Meter
Description Part #
WATERPROOF PH METER PH-200


(ORP-200)

ORP Meter
Description Part #
HAND HELD WTR/PRF ORP METER ORP-200

 

Filter Monitor
(Five-Stage Timer and Volumizer with LED Indicator Disc and Flow Sensor)
Description Part #
FILTER MONITOR; FLOW SENSOR/TIMER FM-2

 




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