Key Instruments - Series 8400 Optalarm

Series 8400 OptAlarm®

Features

Optical flow sensing system
Set allowable flow limits manually
Three flow alarm options:

High & Low Alarm
High Alarm
Low Alarm

Visual or audible alarm indication
Dry contact NO/NC
Reset alarms remotely

Series 8400 OptAlarm® Optical flow alarming system that allows the user to set allowable flow limits manually. There are three flow alarm options: Hi & Low, Hi, or Low flow limits with visiual or audible alarm indications. Additionally NO/NC dry contact is available as standard.

Specifications

Click above to see dimensions

The OptAlarm®
fully complies with EN 61000-6-1
to EN 61000-6-4
(Immunity and Emission Test Series)

Series 8400 OptAlarm®
Accuracy:	± 3% of Full Scale
Repeatability:	< 0.5% Full Scale
Operating Temperature:	32° - 158°F (0 - 70°C)
Pressure:	200 psig Maximum
Scale Length:	150 mm
Connections:	1/8" FNPT
Power Supply:	Wall Mount, 90-264 VAC input, 12 VDC output, universal blades included
Power Input to Unit:	12 VDC, 400 mA
Alarm:	90 dB Audible and Visual LED
Output:	Dry Contact Relays 175V, 0.25 A maximum
End Blocks:	Aluminum or 316 SS
Elastomers:	Buna-N with Aluminum or Viton¨ with St. Steel
Tube:	Precision Formed Borosilicate Glass

Series 8400 OptAlarm® Flow Rates

150 mm
Model #	Float	Air (CCM)	Water (CCM)
10110 10120 10130 10140 10150	G S ST C T	50 78 152 281 318
10210 10240 10250	G C T	106 497 540
10310 10330 10340	G ST C	400 870 1,300	22.2 36.2
10430 10440	ST C	1710 2465	47.5 73.2
10520 10530 10540	S ST C	2980 4480 6475	75 125 190
10640	C	9475	285
10720 10730	S ST	11990 17810	315 515
10810 10820 10830 10840 10850	G S ST C T	23740 30270 44050 61410 66370	565 830 1335 1950 2080
Model #	Float	Air (LPM)	Water (LPM)
10910 10920 10930 10940	G S ST T	50 65 95 134	1.25 1.8 2.5 4.25
Float Material Codes 0 = No Float 1 = Black Glass (G) 2 = Sapphire (S) 3 = Stainless Steel (ST) 4 = Carboloy (C) 5 = Tantalum (T)

Ordering Information

Series 8400 OptAlarm®

Example:

2,465 CCM of Air, St.Steel Fittings, End Blocks, Valve, and Viton® O-Rings (OA10440SVV)

	Model Code	Fittings	Valve	Seals
OA	10440	S	V	V

Fittings

Valve

Seals

A - Aluminum
S - Stainless Steel

V - Standard Valve (Inlet)
P - Precision Valve Inlet)
N - None

B - Buna N
V - Viton®

Click above to see Data Sheet (PDF)