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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: 4½ digit backlit LCD

Response Time: 2 updates/second (display only)

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

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