General

Compatible

3-2630-1 Free Chlorine Electrode, 0.02 to 2 ppm / 3-2650-7 Amperometric Electronics
3-2630-2 Free Chlorine Electrode, 0.05 to 5 ppm / 3-2650-7 Amperometric Electronics
3-2630-3 Free Chlorine Electrode, 0.1 to 20 ppm / 3-2650-7 Amperometric Electronics
3-2724-00 Flat pH Electrode, 0 to 14 pH / 3-2751-7 pH Sensor Electronics

Materials

Panel

Black Acrylic

Flow Cell

Acrylic

Wiring Enclosure

Polycarbonate

Wetted Materials

Flow Cell

Flow Cell, Spacer Rings

Acrylic

Flow Regulator Housing

Polycarbonate

Strainer, E-clip, Regulator Spring, Float

Stainless Steel

Valves, Vent

Polypropylene

Flow Cell O-rings, Diaphragm

EPR (EPDM), FKM

Chlorine Electrode

PVC, PTFE, FKM, Nylon, Silicone

pH Electrode

PPS, Glass, UHMWPE, FKM

Flow Switch

Polypropylene

Sealing Tape on Valves, Plug and Vent

PTFE

Plug

Polyethylene

Max. Temperature/Pressure Rating

System Inlet Pressure Rating

1 to 8 bar

15 to 120 psi

Pressure Regulator

< 0.69 bar (10 psi) variation over all ranges of flow and pressure

Flow Tolerance

± 15% or rated specification above

Flow Rate Limits

30.24 to 45.36 LPH

8 to 12 gph (US)

Storage Temperature

0 °C to 65 °C

32 °F to 149 °F

Operating Temperature

0 °C to 45 °C

32 °F to 113 °F

pH Range

5.0 to 8.2 pH

Power Requirements

DC Input (3-9950-3)

24 VDC nominal (12 to 32 VDC, ± 10% regulated), UL 60950-1 or UL 61010-1

AC input (9950-4)

100 to 240 VAC. 50 to 60 Hz. 24 VA

3-9950-X Relay Mode

Current draw up to 500 mA

Current Loop

12 to 32 VDC, ±10% regulated, 4 to 20 mA (30 mA max.)

Overvoltage

Protection Protection 48 Volt Transient Protection Device.
Current limiting for circuit protection.Reverse-voltage protection.

Environmental

Relative Humidity

0 to 95%

Maximum Altitude

4000 m (13,123 ft)

Enclosure

NEMA 4X (with output wire glands sealed)

Shipping Weight

10 kg

22 lb

Standards and Approvals

CE, FCC, UL, CUL, WEEE
China RoHS
Manufactured under ISO 9001, ISO 14001, and ISO 45001