Dissolved Oxygen Analyzer 4640 and 4645

THIS PRODUCT IS DISCONTINUED.

The 4640 wall mount and 4645 panel mount Dissolved Oxygen Analyzers are user-programmable analyzers designed for dissolved oxygen measurements in a variety of applications from aeration control in sewage waste treatment and effluent monitoring to measurement of dissolved oxygen in process liquors.

Spare Parts

Reagents

Manuals

MSDS Sheets

FEATURES		BENEFITS
Ultra-Reliable		No-maintenance oxygen sensor provides exceptional performance and reliability in the most demanding applications
Comprehensive Diagnostics		Sensor checking insures measurement accuracy and alerts operator of abnormal conditions
Microprocessor Flexibility		All functions are fully programmable to meet application requirements
Compact Rugged Design		Available in surface NEMA 4X or 1/4 DIN panel mount versions. When installed, transmitter front is protected to NEIVIA 4X rating


Specisifcations	Floating Ball	Submersion	Rectractable Insertion
Sensor Type	D3010-166A sensor capsule	D3010-166A sensor capsule	D3010-166A sensor capsule
Response	Typically 20s for 90% of a step change of oxygen concentration at 68°F (20°C).	Typically 20s for 90% of a step change of oxygen concentration at 68°F (20°C).	Typically 20s for 90% of a step change of oxygen concentration at 68°F (20°C).
Temperature Compensation	Automatic correction by means of an integral Pt 100 resistance thermometer.	Automatic correction by means of an integral Pt 100 resistance thermometer.	Automatic correction by means of an integral Pt 100 resistance thermometer.
Operating Temperature	32 to 104°F (0 to 40°C)	32 to 104°F (0 to 40°C)	32 to 104°F (0 to 40°C)
Operating Pressure	Atmospheric	60 PSI	60 PSI
Minimum liquid Velocity	30 cm/s	30 cm/s	30 cm/s
Accuracy	±0.1 ppm or ±1 % saturation within ±18°F (±10°C) of the calibration temperature in the range 32° to 95°F (0 to 35°C)	±0.1 ppm or ±1 % saturation within ±18°F (±10°C) of the calibration temperature in the range 32° to 95°F (0 to 35°C)	±0.1 ppm or ±1 % saturation within ±18°F (±10°C) of the calibration temperature in the range 32° to 95°F (0 to 35°C)
Materials of Construction	Junction Box - diecast aluminum alloy. Support arm - ABS plastic Flotation collar polypropylene	Junction Box - diecast aluminum alloy. Support arm - ABS plastic	Stainless Steel/ CPVC
Junction Box Environmental Protection	NEMA 4X	NEMA 4X	Retractable probe supplied with 20' of direct interconnect cable
Mounting and Process Connections	Pipe mounting (1 1/2" OD)	Pipe mounting (1 1/2" OD)	1 1/2" NPT male retractable assembly Optional mounting T adapter 1 1/2" NPTF x 1/2" NPTF inlet and outlet
Connection Cable	Part #D1086-232. Maximum distance 3250 ft. (1000m)	Part #D1086-232. Maximum distance 3250 ft. (1000m)	Part #D1086-232. Maximum distance 3250 ft. (1000m)
Support Arm	ABS plastic OD 1 1/2". Schedule 40 for 10ft; schedule 80 for 10 to 20 ft. special	ABS plastic OD 1 1/2". Schedule 40 for 10ft; schedule 80 for 10 to 20 ft. special	; Not applicable

Display
Measured Value:
5 digit, 7 segment back?lit LCD.

Information:
16 character, single line, dot matrix, back?lit LCD.

Ranges:
Programmable 20 to 200% saturation, 0 to 20 ppm.

Resolution:
0.1 % saturation, 0.01 ppm.

Accuracy:
±1 % saturation, 0.1 ppm.

Temperature compensation:
32° to 104°F (0° to 40°C) automatic via Pt100 resistance (RTD).

Salinity correction:
Automatic over the range 0 to 40 parts per thousand.

Environmental Data
Operating temperature limits:
4° to 131 °F (20° to 55°C).

Storage temperature limits:
13° to 158°F (25° to 70°C).

Operating humidity limits:
Up to 95% RH non?condensing.

Power Supply
Voltage requirements:
100 to 130V or 200 to 260VAC 50/60Hz.

Power Consumption:
<6VA.

Error due to power supply variation:
Less than 2% for +6% to 20% variation from nominal supply voltage.

Insulation:
AC to ground (line to ground) 2kV r.m.s.

Alarm Relays and Set Points
Number of relays/set points:
Two.

Set point adjustment:
Programmable.

Set point hysteresis:
±1 % of span.

Relay contacts:
Single pole changeover:
Rating     250V a.c.    250V d.c. max.
              3A a.c.        3A d.c. max.

Loading
    (non?inductive) 750VA    30W max.
    (inductive)         750VA      3W max.

Insulation:
2kV r.m.s. to ground.

Local set point annunciation:
Red L.E.D.

Retransmission
Current output:
One fully isolated, 0 to 10 mA, 0 to 20 mA or 4 to 20 mA fully programmable.

Accuracy:
±0.25% f.s.d. or ±0.5% reading.

Resolution:
0.1 % at 1 OmA, 0.05 at 20mA.
Ranges 20 to 200% saturation, 2 to 20 ppm.

Maximum load resistance:
1 k (20V max.).

Serial communication:
RS485 (optional extra)