Multifunctional
Environmental Meter
RH87
U Measure Air Velocity (FPM)
and Air Volume (CFM)
U Measure Sound in dB
U Measure Temperature and
Humidity (°F/°C)
U Measure Light (Lux)
U Standard and Metric Units
U Backlit LCD Display
U Min/Max/Avg/DIF Modes
U Data Hold
U Auto-Ranging
U Auto Power Off
U Low Battery Indicator
U One-Hand Operation
U Air Measurement Set-Up
and Register CFM
Chart Included
U Carrying Case Included
U Mini-Tripod Included
The RH87 is a digital multifunctional
environmental meter which
combines the function of sound
level, luminometer, relative humidity
meter, temperature meter and
anemometer.
Specifications
Power Requirements:
9V battery (included)
Low Battery Indication: Displayed
Display: 4
Response Time: 2/second (app.)
Operating Temperature:
-10 to 60°C (14 to 140°F)
Storage Temperature: -10 to 50°C
(14 to 122°F)
Weight: 430 g (15.3 oz)
Dimensions: 280 L x 89 W x 50 mm H
(11 x 3.5 x 2")
Range Resolution Accuracy
Temperature: -10 to 60°C
(14 to 140°F) 0.1°C (0.1°F)
±-1.5°C (±2.7°F)
Relative Humidity: 20 to 80% RH
0.1% RH ±3% RH @ 750ºF
< 20% RH and > 80% RH 0.1% RH
±5% RH @ 75ºF
Sound Level: 30 dB to 130 dB 0.1 dB
±1.5 dB
Light Level: 0 to 2000 Lux 1 Lux
±5% of rdg plus 10, 2001 Lux to 20,000
Lux 10 Lux ±5% of rdg plus 10, 20,001
Lux to 50,000 Lux 100 Lux
±5% of rdg plus 10
1
digit backlit LCD
⁄
2
RH87
Integrated
circuit type
sound sensor.
H
u
Air Flow: 1.6 to 65.7 ft/s 0.1 ft/s
±3% of rdg plus 10, 0.5 to 20 m/s
0.1 m/s ±3% of rdg plus 10,
0.9 to 38.9 knots 0.1 knots ±3% of rdg
plus 10, 1.8 to 72 km/h 0.1 km/h
±3% of rdg plus 10
Air Volume: 0 to 999,900 CFM
0.1 to 100 CFM ±3% of rdg plus 10
0 to 999,900 CMM 0.1 to 1000 CMM
±3% of rdg plus 10
RH87 shown with carrying case,
operator’s manual, portable mini-tripod,
and 9V battery (all included).
To Order Visit omega.com/rh87 for Pricing and Details
Model No. Description
RH87 Environmental handheld meter
Comes complete with carrying case, portable mini-tripod, operator’s manual and 9V battery,
Ordering Example: RH87, environmental meter.
Hu-X