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ACR-205-4 Multi-Gas Air Quality Monitor
Part Number:
ACR-205-4
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Price:
$4155.24 
USD (change)
USD (change) 
With a built-in display and data logger, the ACR-205 provides the user
with a reliable and accurate method of evaluating indoor air quality by
measuring and recording temperature, relative humidity, carbon dioxide,
and one or two other gases at the same time.
These other gases can include: carbon monoxide (CO), nitrogen dioxide (NO2), oxygen (O2), ammonia (NH3), chlorine (Cl2), chlorine dioxide (ClO2), fluorine (F2), hydrogen (H), hydrogen chloride (HCl), hydrogen cyanide (HCN), hydrogen sulphide (H2S), nitric oxide (NO), ozone (O3), or sulphur dioxide (SO2).
What's Included:
These other gases can include: carbon monoxide (CO), nitrogen dioxide (NO2), oxygen (O2), ammonia (NH3), chlorine (Cl2), chlorine dioxide (ClO2), fluorine (F2), hydrogen (H), hydrogen chloride (HCl), hydrogen cyanide (HCN), hydrogen sulphide (H2S), nitric oxide (NO), ozone (O3), or sulphur dioxide (SO2).
Applications: Monitoring environmental air quality - in schools, government buildings, and new buildings, etc.
What's Included:
- Carrying case
- Interface cable
The Good:
The Bad:
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The Bad:
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Full Review
| Size: | 214 mm x 152 mm x 55 mm (8.44" x 6.0" x 2.18") |
|---|---|
| Weight: | 1.32 Kg (2.91 lb) |
| Case Material: | Powder painted aluminum |
| Mounting: | Handheld, desk or wall mount |
| Operating Limits: | 0 to 50°C (32 to 122°F) and 0 to 100% RH (non-condensing) |
| Clock Accuracy: | +/- 2 seconds per day |
| Battery (in logger): | 3.6 volt Lithium |
| Battery (in monitor): | Integral sealed lead acid |
| Memory Size: | 128 KB (87,000 readings) |
| Sampling Methods: | 1. Continuous (First-in, First-out) 2. Stop when full (Fill-then-stop) |
| Sampling Rates: | From 8 seconds to once every 8 hours |
| Resolution: | 12-bit (1 part in 4096) |
| PC Requirements: | IBM PC or 100% compatible with at least 2 MB RAM, 2 MB of hard drive disk space and one free serial port |
| Software Requirements: | TrendReaderŪ Standard 2 - compatible with Windows 2000 and XP |
| Temperature Sensor Specifications | |
| Type | NTC Thermistor |
| Range | 0 to 50°C (32 to 122°F) |
| Accuracy | +/- 0.5°C @ 25°C (+/- 0.9°F @ 77 °F) |
| Relative Humidity Sensor Specifications | |
| Type | Thin film capacitance |
| Range | 0 to 100% RH |
| Accuracy | +/- 2% RH |
| CO2 Sensor Specifications | |
| Type | NDIR |
| Range | 0 to 5,000 ppm (standard) |
| Accuracy | +/- 20 ppm (typical) |
| CO Sensor Specifications | |
| Type | Electrochemical |
| Range | 0 to 50 ppm |
| Accuracy | < 2% per month in clean air |
| NO2 Sensor Specifications | |
| Type | Electrochemical |
| Range | 0 to 5 ppm |
| Accuracy | < 3% @ 3 months |
| Other Gas Sensors | |
| Range and Resolution | O2 (0 - 25.0% Volume, 0.2% Volume) NH3 (0 - 100 ppm, 1 ppm) Cl2 (0 - 5.0 ppm, 0.02 ppm) ClO2 (0 - 1.0 ppm, 0.02 ppm) F2 (0 - 1.0 ppm, 0.02 ppm) H2 (0 - 4000 ppm, <20 ppm) HCl (0 - 30 ppm, 0.5 ppm) HCN (0 - 30 ppm, 0.3 ppm) H2S (0 - 50 ppm, 0.05 ppm) NO (0 - 100 ppm, 0.1 ppm) O3 (0 - 1.00 ppm, 0.02 ppm) SO3 (0 - 20 ppm, 0.1 ppm) |
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