HM Digital Meters

       

   

(COM-100) (TDS-EZ) (TDS-3) (TDS-4)

      

     (AP-1)   (pH-200)   (COM-300)  (ORP-200)

         (DM-1)                           (DM-2)

       

    (QC1)                             (PSC-150)

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 filter and water purification performance.

Hand Held TDS Meters

	Part #	Description	1+	10+	25+	50+
	COM-100	EC/TDS/TEMP WATERPROOF METER	$56.03	$53.12	$50.21	$46.57
	TDS-3	TDS & TEMP METER W/CASE; 0-9990ppm	$9.82	$9.31	$8.80	$8.16
	TDS-4	POCKET SIZE TDS METER; 0-9990ppm w/ATC	$14.09	$13.36	$12.63	$11.71
	TDS-EZ	ECONOMY TDS METER; 0-9990 PPM	$12.49	$11.85	$11.20	$10.39
	AP-1	AQUAPRO TDS METER 0-5000 PPM	$18.79	$17.81	$16.83	$15.61

Hand Held pH Meter

	Part #	Description	1+	10+	25+	50+
	PH-200	WATERPROOF PH METER	$73.62	$69.80	$65.98	$61.20
	COM-300	PH/EC/TDS/TEMP WATERPROOF METER	$113.12	$107.24	$101.37	$94.02

Hand Held ORP Meter

	Part #	Description	1+	10+	25+	50+
	ORP-200	HAND HELD WTR/PRF ORP METER	$83.21	$78.89	$74.57	$69.16

Continuous Monitors

	Part #	Description	1+	5+	25+	50+
	DM-2	INLINE DUAL TDS METER COMMERCIAL	$38.90	$36.88	$34.86	$32.33

	Part #	Description	1+	10+	25+	50+
	QC1	QUICK CHECK TDS/COND MONITOR	$20.49	$19.42	$18.36	$17.03
	DM-1	IN-LINE DUAL TDS METER; 1/4″ JG	$28.26	$26.79	$25.32	$23.49
	DM-1A	IN-LINE DUAL TDS METER; 3/8″ JG	$24.95	$23.66	$22.36	$20.74

	Part #	Description	1+	5+	10+	25+
	PSC-150	EXTENDED RANGE TDS/EC CONTROLLER	$169.01	$160.23	$151.45	$140.48