Old Model

Description

Current Available Model

Description

Portable digital meters

DC4

Parameter: Conductivity

Ranges: 0-20, 0-200, 0-2000, 0-20,000 uS

Techpro II TP1

Parameter: Conductivity, TDS, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

32-160 F (Temperature)

DP4

Parameter: TDS

Ranges: 0-20, 0-200, 0-2000, 0-20,000 ppm

Techpro II TP1

Parameter: Conductivity, TDS, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

32-160 F (Temperature)

DCH4

Parameter: Conductivity, pH

Ranges: 0-20, 0-200, 0-2000, 0-20,000 uS

0-14 pH

Techpro II TPH1

Parameter: Conductivity, TDS, pH, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

0-14 (pH)

32-160 F (Temperature)

DPH4

Parameter: TDS, pH

Ranges: 0-20, 0-200, 0-2000, 0-20,000 ppm

0-14 pH

Techpro II TPH1

Parameter: Conductivity, TDS, pH, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

0-14 (pH)

32-160 F (Temperature)

Techpro AR1

Parameter: Conductivity, TDS, Temperature

Ranges: 0-20,000 uS/TDS

0-14 pH

32-160 F (Temperature)

Techpro II TP1

Parameter: Conductivity, TDS, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

32-160 F (Temperature)

Techpro ARH1

Parameter: Conductivity, TDS, pH, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

0-14 (pH)

32-160 F (Temperature)

Techpro II TPH1

Parameter: Conductivity, TDS, pH, Temperature

Ranges: 0-20,000 uS/ppm (Conductivity/TDS)

0-14 (pH)

32-160 F (Temperature)

Techpro PH1

Parameter: pH, Temperature

Ranges: 0-14 (pH)

32-160 F (Temperature)

Techpro II TH1

Parameter: pH, Temperature

Ranges: 0-14 (pH)

32-160 F (Temperature)

Ultrameter 3P

Parameter: pH, ORP, Temperature

Ranges: 0-14 (pH)

-999 to +999 mV (ORP)

32-160 F (Temperature)

Ultrameter II 6P

Parameter: Conductivity, Resistivity, TDS, pH, ORP, Temperature

Ranges: 0-200,000 uS/ppm (Conductivity/TDS)

10kohm – 30 megohm (Resistivity)

0-14 (pH)

-999 to +999 mV (ORP)

32-160 F (Temperature)

Ultrameter 4P

Parameter: Conductivity, Resistivity, TDS, Temperature

Ranges: 0-200,000 uS/ppm (Conductivity/TDS)

10kohm – 30 megohm (Resistivity)

32-160 F (Temperature)

Ultrameter II 4P

Parameter: Conductivity, Resistivity, TDS, Temperature

Ranges: 0-200,000 uS/ppm (Conductivity/TDS)

10kohm – 30 megohm (Resistivity)

32-160 F (Temperature)

Ultrameter 6P

Parameter: Conductivity, Resistivity, TDS, pH, ORP, Temperature

Ranges: 0-200,000 uS/ppm (Conductivity/TDS)

10kohm – 30 megohm (Resistivity)

0-14 (pH)

-999 to +999 mV (ORP)

32-160 F (Temperature)

Ultrameter II 6P

Parameter: Conductivity, Resistivity, TDS, pH, ORP, Temperature

Ranges: 0-200,000 uS/ppm (Conductivity/TDS)

10kohm – 30 megohm (Resistivity)

0-14 (pH)

-999 to +999 mV (ORP)

32-160 F (Temperature)

Inline Monitor/Controllers - Resistivity

750

Controller only, setpoint adjustment on front panel, no display

N/A

N/A

752

Analog Monitor/controller, single setpoint alarm, optional output

752II

Analog Monitor/controller, single setpoint alarm, standard 0-10VDC output

753

Digital Monitor/controller, single setpoint alarm, optional output

753II

Digital Monitor/controller, single setpoint alarm, standard 0-10VDC output

762

Analog Monitor/controller, single setpoint alarm, optional output, manual 3-range selection

752II (w/ 3RE accessory)*

753II for digital

Analog Monitor/controller, single setpoint alarm, standard 0-10VDC output, (manual 3-range selection)*

760-A (Aquaswitch II)

Analog Monitor/controller, single setpoint alarm, optional output, automatic bank switching system – One large enclosure that makes up the two smaller single enclosures of the available model

752II (w/ ASI – Aquaswitch I)*

Analog Monitor/controller, single setpoint alarm, standard 0-10VDC output, (automatic bank switching system)* - Two small enclosure that make up the large single enclosure

ASIIR (Aquaswitch II)

Digital Monitor/controller, single setpoint alarm, optional output, automatic bank switching system – One large enclosure that makes up the two smaller single enclosures of the available model

753II (w/ ASI – Aquaswitch I)*

Digital Monitor/controller, single setpoint alarm, standard 0-10VDC output, (automatic bank switching system)* - Two small enclosures that make up the large single enclosure

Inline Monitor/Controllers - Conductivity

755

Controller only, setpoint adjustment on front panel, no display

N/A

N/A

756

Analog Monitor only, no setpoint alarm, no LED indicators, no relay

756II

Analog Monitor only, no setpoint alarm, no LED indicators, no relay

757

Analog Monitor/controller, single setpoint alarm, optional output

757II

Analog Monitor/controller, single setpoint alarm, standard 0-10VDC output

758

Digital Monitor/controller, single setpoint alarm, optional output

758II

Digital Monitor/controller, single setpoint alarm, standard 0-10VDC output

767

Analog Monitor/controller, single setpoint alarm, optional output, manual 3-range selection

757II (w/ 3RE accessory)*

758II for digital

Analog Monitor/controller, single setpoint alarm, standard 0-10VDC output, (manual 3-range selection)*

ASIIC (Aquaswitch II)

Digital Monitor/controller, single setpoint alarm, optional output, automatic bank switching system – One large enclosure that makes up the two smaller single enclosures of the available model

752II (w/ ASI – Aquaswitch I)*

Digital Monitor/controller, single setpoint alarm, standard 0-10VDC output, (automatic bank switching system)* - Two small enclosures that make up the large single enclosure

Inline Monitor/Controllers - Accessories

CS

20 Megohm Resistivity Calibration Module

(Used on the original Series 750 Monitor/controllers)

CS11

20 Megohm Resistivity Calibration Module

(Used on the current 750 Series II Monitor/controllers)

CS2

2 Megohm Resistivity Calibration Module

(Used on the original Series 750 Monitor/controllers)

CS14

2 Megohm Resistivity Calibration Module

(Used on the current 750 Series II Monitor/controllers)

CS3

200 Kilohm Resistivity Calibration Module

(Used on the original Series 750 Monitor/controllers)

CS17

200 Kilohm Resistivity Calibration Module

(Used on the current 750 Series II Monitor/controllers)