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Rhino Tester

Air handler unit air leakage tester

The Rhino air leakage tester is typically used for measuring air leakage from large air handling units (AHUs).  AHU specifications typically allow 1% air leakage when tested at a static pressure of 10 in.wg., which means the Rhino can test a 103,000 cfm air handler.

The standard Rhino tester has digital gauges and a simple speed controller operating on 230v/1ph power. Options for the Rhino include analog pressure gauges, low-flow orifice plate, industrial dust cover and smoke machine for locating hard-to-find leaks.

Features

  • Measure leakage from 9 to 1700 cfm

  • 230v/1ph operation

  • Variable speed controller

  • Quick-change orifice plates

  • Digital gauges

  • 12-1/2 ft flex (8-inch diam.)

  • 20 ft pressure tubing

  • Calibration certificates

  • 21 amp max

  • No-flat tires

  • Upper locking swivel casters

  • Everything labeled for easy use!

Capacity (English)

Use the table below to determine the range of air leakage you can test with the Panther using our standard orifice plates.

Test Pressure
+/-
(in.wg.)		 Recommended Flow Range of Orifice Plate
Optional Low-Flow Plate 1 in Plate 2 in Plate 3 in Plate 4 in Plate 5 in Plate 6 in Plate
Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow
(cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm) (cfm)
0.25 1 12 9 50 37 200 85 440 160 840 260 1260 455 1700
2 1 11 9 45 37 185 85 410 160 785 260 1185 455 1550
4 1 10 9 41 37 165 85 375 160 720 260 1100 455 1420
6 1 9 9 38 37 155 85 350 160 660 260 1010 455 1330
8 1 8 9 35 37 140 85 310 160 590 260 905 455 1185
10 1 7 9 30 37 120 85 270 160 515 260 805 455 1035
12 1 6 9 25 37 100 85 220 160 415 260 660 455 895
14 1 5 9 19 37 75 85 170 160 325 260 510 455 660
16 1 4 9 13 37 55 85 120 160 225 260 365 455 480


  1. Min Leakage is the recommended minimum flow rate based on a 0.4 in.wg. pressure drop across the orifice plate. For example, approximately 82 cfm through the 3-inch orifice plate results in a 0.4 in.wg. so 82 cfm is the recommended minimum leakage. Though it possible to use the orifice plates at pressure drops lower than 0.4 in.wg., note that accuracy of the reading is decreased.
  2. Note that the data is based on laboratory tests with short lengths of hard pipe attached to the duct leakage tester. Actual field performance will likely result in reduced performance due to: (1) amount of flexible duct used; (2) number of bends in flexible duct; (3) size of duct system; (4) line voltage. To account for flexible duct and 90 degree bends, use our program that takes these in-line losses into account.

Capacity (Metric)

Use the table below to determine the range of air leakage you can test with the Panther using our standard orifice plates.

Test Pressure
+/-
(Pa)		 Recommended Flow Range of Orifice Plate
Optional Low-Flow Plate 25mm Plate 50mm Plate 75mm Plate 100mm Plate 125mm Plate 150mm Plate
Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow Min Flow Max Flow
(L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s) (L/s)
62 0.5 5.7 4.2 24 17 94 40 208 76 396 123 595 215 802
500 0.5 5.2 4.2 21 17 87 40 193 76 370 123 559 215 732
1000 0.5 4.7 4.2 19 17 78 40 177 76 340 123 519 215 670
1500 0.5 4.2 4.2 18 17 73 40 165 76 311 123 477 215 628
2000 0.5 3.8 4.2 17 17 66 40 146 76 278 123 427 215 559
2500 0.5 3.3 4.2 14 17 57 40 127 76 243 123 380 215 488
3000 0.5 2.8 4.2 12 17 47 40 104 76 196 123 311 215 422
3500 0.5 2.4 4.2 9.0 17 35 40 80 76 153 123 241 215 311
4000 0.5 1.9 4.2 6.1 17 26 40 57 76 106 123 172 215 227


  1. Min Leakage is the recommended minimum flow rate based on a 100 Pa pressure drop across the orifice plate. For example, approximately 39 L/s through the 75 mm orifice plate results in a 100 Pa so 39 L/s is the recommended minimum leakage. Though it possible to use the orifice plates at pressure drops lower than 100 Pa, note that accuracy of the reading is decreased.
  2. Note that the data is based on laboratory tests with short lengths of hard pipe attached to the duct leakage tester. Actual field performance will likely result in reduced performance due to: (1) amount of flexible duct used; (2) number of bends in flexible duct; (3) size of duct system; (4) line voltage. To account for flexible duct and 90 degree bends, use our program that takes these in-line losses into account.

Options & Accessories

Options

  • 230v/3ph operation

  • Analog gauges

  • Low-flow orifice plate (1 to 10 cfm)

Accessories

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