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Specifications

INPUT POWER

15VDC +/- 20% provided by Class II UL approved wall pluggable power module

VELOCITY RANGE

30 – 2,000 FPM

ACCURACY

+/- 10% of set point or +/- 10 FPM, whichever is greater

VELOCITY SENSOR

Type: micro-bridge mass flow sensor

Overpressure: 25 PSI

ENVIRONMENT

Temperature: Storage; 0°F to 150°F, Nominal Operating; 55°F to 85°F

Humidity: 10% to 90% RH, non-condensing

PHYSICAL CHARACTERISTICS

Enclosure Size: 2.76" W x 4.5"H x 1.25"D

Weight: approximately 5oz.

Hood Probe: 7/16" diameter, feed through bushing, press fit, 5' tubing

Materials: Enclosure; ABS plastic

Tubing; 0.170" I.D., ¼" O.D., clear polyurethane, ester base

Hood Probe; Polyethylene

LED INDICATORS

Two ultra bright clear lens LEDs, Green indicates normal, Red flashing indicates alarm

AUDIBLE HORN

Sound Level: 90 dB at 10cm

Operation: horn sounds during alarm condition unless Mute is activated

Re-Beep Mode: single fast tone every 5 minutes when horn muted and alarm not cleared.

ALARM DELAY

7 seconds (to reduce false alarms)

ALARM RELAY OUTPUT (I/O Terminal, Positions 3, 4 and 5)

Type: SPDT relay

Specifications: 1A @ 30 VDC, 0.5A @ 125 VAC (resistive load)

Operation:

Relay Contact Term. 3 – 4:

Relay Contact Term. 5 – 4:

REMOTE MUTE INPUT (I/O Terminal, Positions 1 and 2)

Type: un-powered dry contact

Operation: when input is shorted (1000 ohms max), horn is muted and re-beep mode active

MUTE PUSH BUTTON

Pressing Once Momentarily silences horn, enables re-beep mode and resets after the alarm

condition is cleared or the Mute Button is pressed momentarily again.

Pressing and Holding Mute for 3 Seconds provides indication of present calibration mode.

One LED ON indicates Cal Mode 1, Both LEDs ON indicates Cal Mode 2.

Pressing and Holding Mute for 15 Seconds while in alarm disables the horn with re-beep

inactive. If alarm clears, or mute is pressed for 15 seconds, normal operation is restored.

T-ABVA Manual |Rev.C, JULY 2017

NORMAL, Power ON

OPEN

CLOSED

ALARM, Fault or Power Loss

CLOSED

OPEN

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