Portable Velocity Meter
Series
Flow Accuracy FS (Full Scale)
HHF82HHF81
HHF92A HHF91 HHF11AHHF801HHF2005
3% to 4%
3% to 4%
3%
2% of
±5% of
±2% of
±2% FS
of FS
of FS
of FS
reading
FS
FS
160
80
Minimum Air Flow 80
80
80125
*0.3 m/s
Rate (FPM)
2358
5910
Maximum Air Flow 5910
5910
69004900
*35 m/s
Rate (FPM)
Cubic Feet per Min.
U
U
U
U
Maximum Probe 50 50
50 50 6080 50
Temperature °C (°F)(122)
(122)
(122)
(122)
(140)
(176)
(122)
Minimum Probe 0
0 (32)
-10 -10 -20 0
0
Temperature °C (°F)
(32)
(32)
(14)
(14)
(-4)
(32)
(32)
Battery Type
9 Vdc
9 Vdc
9 Vdc
9 Vdc
4 “AAA”
9 Vdc
4 “AA” and
(included)
1 CR2032
Display
3.5 digit
5 digit
4 digit
4 digit
5 digit
4 digit
5 digit
Approx. Shipping
0.45 Kg
0.45 Kg
0.23 Kg
1.4 Kg
0.23 Kg
0.221 Kg
520 g
Weight for System
(1 lb)
(1 lb)
(0.5 lb)
(3 lb)
(0.5 lb)
(0.5 lb)
(1.2 lb)
Dimensions of
156 x 60 x 33 mm 156 x 60 x 33 mm 183 x 76 x 46 mm 181 x 70 x 35 mm 157 x 62 x 28 mm 200 x 68 x 30 mm 203 x 76 x 38 mm
(6.14 x 2.3 x 1.29”) (6.14 x 2.3 x 1.29”) (7.2 x 3 x 1.8”) (7.12 x 2.75 x 1.37”) (6.18 x 2.4 x 1.1”) (7.9 x 2.7 x 1.2”)
(8 x 3 x 1.5”)
Handheld
70 mm
70 mm
74 mm
13 mm
72 mm
Diameter of Probe
integral
integral
(2.875”)
(2.875”)
(2.9”)
(0.5”)
(2.8”)
Display Units
FPM, MPS, MPH FPM, MPS, MPH, FPM, MPS, MPH,
FPM, MPS,
FPS, MPS, CFM FPM, MPS, MPH, MPS, KMH, MPH
KMH, KNOTS
KMH, KNOTS, KNOTS, KM/H,
CFM, CMS
CMM, BTU/H, KNOTS, KM/H,
KNOTS, FPM,
°C, °F, %RH
°C, °F KW, RH, °C, °F
°F, °C
CMM, CFM, °C, °F
Included 9V battery
9V battery
Battery and
Battery and Carrying case, 9 Vdc battery Hard carrying
Accessories
Lux, Ft-cd
carrying case carrying case and 4 “AAA”
and hard
case, and
batteries
carrying case 4 “AA” batteries
1 CR2032
Stores
Accepts Type K
Stores
Stores
Measures
Stores
Data logger
Additional
Functions
minimum
thermocouple, minimum
minimum
temperature,
minimum
with date
and maximum, measures and maximum, and maximum, dew point, and maximum; minimum
hold function, temperature, avg values
avg values; %RH capacity hold, RS232 and maximum;
light weight %RH, and Lux
wet bulb,
wet bulb
J or K
air velocity,
thermocouple,
air volume,
RS232
capacity
*Not read in FPM
C-3
Selection Guide
C
Series
HHF42
HHF2005HWHHF141
HHF142HHF143HHF144
Flow Accuracy
±(5% + 1d)
±5% (+1 Isd)
±1% reading ±1% reading
±1% reading
±1% reading
Full Scale (FS)
reading
reading
(+1 digit)
(+1 digit)
(+1 digit)
(+1 digit)
Minimum Air Flow 40
4040 40 4040
Rate (FPM)
Maximum Air Flow
39403940
7800 780078007800
Rate (FPM)
Cubic Feet per Min.
U U
Maximum Probe
50
50 100
100 100 80
Temperature °C (°F)
(122)(122) (212) (212) (212) (176)
Minimum Probe 0
0
-20
-20 -20 -20
Temperature °C (°F)
(32)
(32)
(-4)
(-4) (-4) (-4)
Battery Type
6 “AAA”
4 “AA” and
3 “AA”
3 “AA”
3 “AA”
3 “AA”
(included)
1 CR2032
Display
3.5 digit
4 digit
4 digit, backlit
4 digit, backlit
4 digit, backlit
4 digit, backlit
Approx. Shipping
355 g
520 g
0.9 Kg
0.9 Kg
0.9 Kg
1.1 Kg
Weight for System
(12.5 oz)
(1.2 lb)
(2 lb)
(2 lb)
(2 lb)
(3 lb)
Dimensions of
185 x 78 x 38 mm 203 x 76 x 38 mm 165 x 82.5 x 38 mm 165 x 82.5 x 38 mm 165 x 82.5 x 38 mm 165 x 82.5 x 38 mm
Handheld
(7.1 x 3.1 x 1.5")
(8 x 3 x 1.5")
(6.5 x 3.25 x 1.5")
(6.5 x 3.25 x 1.5") (6.5 x 3.25 x 1.5") (6.5 x 3.25 x 1.5")
Diameter of
12 mm
12 mm
25 or 70 mm 25 or 70 mm
25 or 70 mm
25 or 70 mm
Probe
(0.5")
(0.5")
(1 or 2.75")
(1 or 2.75")
(1 or 2.75")
(1 or 2.75")
Display Units
MPS, KMH,
MPS, KMH, MPH
FPM, MPS
FPM, MPS
FPM, MPS
FPM, MPS
FPM, MPH,
KNOTS, FPM,
CMH, CFM
°C, °F °C, °F, %RH
KNOTS, °C, °F CMM, CFM, °C, °F
Included
Hard carrying
Hard carrying,
Hard carrying
Hard carrying
Hard carrying
Hard carrying,
Accessories
case,
case, 1 CR2032
batteries case,
case, 3 “AA” batteries
and six and 4 “AA”
3 “AA” 3 “AA”
3 “AA”
extension rods,
1.5 V “AAA” batteries batteries and
batteries and
batteries and
Temp/RH probe
batteries
extension rods
extension rods
extension rods
Additional
Stores min Data logger
Stores min
Stores min
Stores min
Functions
and max
with date,
and max, and max,
and max J or K
optional USB optional USB
thermocouple
or analog output or analog output
C-4
Stores
min, max
temperature
and humidity
readings,
optional USB
or analog output