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Simpson 897 Sound Dosimeter System
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Simpson 897
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Features:
- Conforms to ANSI S1.4-1983, ANSI S1.25-1978, and IEC 651-1979 Specifications
- Choice of Exchange Rates (3, 4, or 5 dB) and Criterion Levels (70, 80, 84, 85, or 90 dB)
- Selectable Threshold Level from 50-99 dB in 1 dB Increments
- Dual Range (50-100 dB and 80-130 dB)
- Real Time Clock With Rechargeable Battery
- Security Lockout Feature With Internal Data Storage
- Self-Test Modes Test Operational Readiness
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Description
| Designed for conducting personal noise surveys, the 897 Dosimeter is versatile enough for the experienced hygienist but simple enough for the novice technician. The data storage feature allows you to view reports on the computer or print them for use later during inspections. Purchase the 897 by itself or in the SMS-2 kit with all of the relevant accessories, including calibrator, nose cone, microphone clip, wind screen, and serial and parallel printer cables. |
Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 897 |
DOSIMETER, ISO, Item# 12645 |
$937.09 |
| $890.23 |  |
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| SMS-2 |
DOSIMETER KIT, Item# 12646 |
$1314.49 |
| $1248.76 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 02233 |
CABLE, RS-232 SERIAL, 897 |
$54.21 |
| $51.50 | |
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| 02234 |
CABLE, PARALLEL, 897 |
$68.19 |
| $64.78 | |
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Specifications
| General |
| Power Requirements |
Ni-Cad Rechargeable battery pack |
| Warm-Up Time |
1 minute |
| Dimensions |
6.8" (H) x 3.1" (W) x 1.1" (D), (172x80x28mm) |
| Weight |
18 oz. (500g) including battery pack |
| Case Construction |
Anodized aluminum extrusion |
| Security Feature |
Locks-in operating function |
| Real Time Clock |
Clock continues running in all functions |
| Performance Capability |
Conforms to ANSI S1.4-1983 and IEC 651-1971 for sound level function and ANSI S1.25-1978 for dosimeter function and ANSI S1.25-1978 for dosimeter function |
| Sound Level Mode |
| Ranges |
50 to 100dB, 80 to 130dB |
| Accuracy |
True RMS, Type S2 |
| Dynamic Range |
Selectable from 50 to 100dB and 80 to 130dB |
| Frequency Response Weighting |
"A" Weighting |
| Response Time |
Slow (1 second) |
| Crest Factor |
10:1 at maximum indication |
| Frequency Range |
20Hz to 8KHz |
| Dosimeter Mode |
| Threshold Level |
Selectable from 50-99dB in 1dB increments |
| Criterion Level |
Selectable, 70, 80, 84, 85 or 90dB |
| Criterion Duration (TC) |
Eight (8) Hours |
| Exchange Rate |
Selectable 3, 4 or 5dB |
| Maximum Indication |
999.9% DOSE |
| Resolution |
0.1% DOSE to 999.9% |
| Elapsed Time |
Displays either Hours: Minutes or Minutes: Seconds, up to 99 Hours 59 Minutes, 59 Seconds. Timing Accuracy: 0.05% |
| 140dB Peak |
Displays number of 140dB peaks that have been detected |
| Microphone |
| Type |
0.52" (13.2mm) Diameter Electret Condenser, Omnidirectional 70° angle of incidence. Maximum sound pressure level 148dB |
| Display |
| Numerical |
4 Digit LCD |
| Annunciators |
Lo Batt, Spl Max, Int 60, % Dose, dBA, plus a colon and decimal point |
| Environmental |
| Operating Temperature |
Operating Temperature: -10° to 50°C |
| Temperature Coefficient |
±0.05dB per °C (25° to 50°C) for reference mea-surement of 105dB at 1000Hz |
| Relative Humidity |
<0.5dB (0-95% RH) |
| Storage Range |
-30° to 45°C (without batteries) |
| Magnetic Field Influence |
No effect in field of 1 oersted (80A/m) |
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