TSI Alnor 8392 Data sheet

Ventilation Testing

Certifier

®

Air Velocity Calibrator

TSI’s Model 8392 CERTIFIER®Air Velocity
Calibrator gives you reliable and convenient in­house calibrations at a reasonable cost. You can
have the confidence of high accuracies over a wide
velocity range with the C

ERTIFIER. It enables you to

calibrate your probed air velocity meters or transduc­ers at velocities as low as 30 ft/min (0.15 m/s) and as
high as 9000 ft/min (45 m/s) with typical accuracies
of ±1 percent of reading.

The C

ERTIFIER is ideal whenever frequent,

accurate, air velocity calibrations are required.
Having a C

ERTIFIER on site avoids the delays asso-

ciated with sending the instrument to an outside
calibration facility. Calibrations can be performed
at your convenience as often as necessary.

The C

ERTIFIER comes with a TSI Model 8495

T

RANSDUCER DISPLAY & MONITOR that will dis-

play actual air velocity. Entering a density correc­tion factor automatically converts the velocity to
standard conditions. This allows the user to read
air velocity directly from the T

RANSDUCER DISPLAY

& MONITOR instead of reading pressure and then
calculating velocity.

The Model

8392 C

ERTIFIER Air

Velocity Calibrator
provides a complete
system to meet all of
your calibration
needs. Standard
accessories furnished
with the system
include:

•

Model 8495 TRANSDUCER DISPLAY & MONITOR

•

MKS Pressure Transducer

•

Fittings which accept 0.188 in. (4.8 mm)
through 0.625 in. (15.9 mm) diameter probes
(other sizes can be accommodated with the prop­er

1

/2 NPT male compression fitting)

•

Controller for setting fan speed

•

Two nozzle plates for establishing low velocities

P/N 2980015 Rev. D . 3/05 Copyright ©2005 by TSI Incorporated

TSI Incorporated

United States: Tel : [phone] Toll Free: 1 800 874 2811 Fax: [phone] E-mail: [e-mail]
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or visit www.tsi.com to find your closest TSI Representative or distributor.

Test Section Dimensions: 4 in.×4 in. (10.2 cm×10.2 cm)
Feedthrough Hole: 1/2” NPT
Overall Dimensions: 57 in. L

×

17 in. W×17 in. H

(145 cm

×

43 cm×43 cm)

Weight: 30 lbs (14.6 kg)
Power: 115 or 230 VAC

(specify when ordering), 50/60 Hz

MKS Pressure Transducer
Range: 0 to 10 mmHg
Accuracy: 0.15% of reading
Power: 115/230 VAC, 50/60 Hz switch selectable

Specifications

Model 8392 CERTIFIER Air Velocity Calibrator

Inlet Section

Inlet Pressure Tap

Orifice (Nozzle)

Test Section

Probe
Fitting

Test Section
Pressure Tap

Diffuser Section

Specifications

Model 8495 Transducer Display & Monitor

Accuracy(1&2) ±0.25% of reading, ±1 digit of resolu­tion

Time Constant 1 to 20 seconds in 1 second intervals
Display 5 digit LED
Input Power 11-30 VDC or 18-28 VAC, requires

500mA maximum

1

±.02% of reading/°C = .01% of reading /°F away from 25°C.

2

±.025% of full scale= effect of EMI per IEC801-3.

Specifications subject to change without notice.
Specifications in parentheses ( ) indicate metric equivalents.

Nozzle Plate

None

No. 1

1500-9000

250-1500

No. 2

Velocity Range

(ft/min) (m/s)

7.5-45

1.25-7.5

30-250

0.15-1.25

1.0% of reading ±15 ft/min

2.0% of reading ±5 ft/min

2.0% of reading ±2 ft/min

Typical

Accuracy

(±.075 m/s)

(±.025 m/s)

(±.01 m/s)

Pressure Drop

(mmHg)

0.25-10.0

0.2-8.5

0.11-8.5

Turbulence

Intensity*

0.25%

1.0%

1.0%