Stand-Alone Instrument for On-Site Humidity Validation
Made in Swiss. brand Rotronic, model S904
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.
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Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries
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General
The S904 is a completely stand-alone and transportable calibrator for humidity sensors, requiring no external services other than mains
power. The calibration chamber features 5 interchangeable ports to accommodate virtually any brand, type or model of sensor. This calibrator is ideal for companies or organizations looking to calibrate large numbers of probes in a laboratory or field setting.
High Stability
The environment within the insulated calibration chamber is temperature controlled using a 4-zone fan-assisted Peltier arrangement for maximum stability, and minimum temperature gradient. The humidity of the
circulating air is precisely regulated using a closed-loop control system that functions by proportionally mixing flows of dry and saturated air.
Fast Response Time
Two highly visible LED panels on the front of the S904 display the current humidity and temperature within the calibration chamber. The response time to a humidity or temperature step change is typically less than 10 minutes, so a simple 3-point calibration can be carried out in under an hour.
Maintenance
The S904 is easy to maintain. The desiccant changes color to indicate when it needs to be recharged and this is visible through a clear window on the front of the unit. Recharging the desiccant is simply a matter of heating it in a conventional oven at +150°C (+302°F) for 3 hours. The water reservoir at the front of the unit shows the current saturator fill level and makes it easy to top-up with distilled water when required.
Applications
| Humidity | |
| Generation Range | 10…90 %rh |
| Accuracy Control Element | ±1 %rh (10…70 %rh) ±1.5 %rh (70…90 %rh) |
| Stability | ±0.2 %rh (20…80 %rh) |
| Temperature | |
| Generated Range | 10…50 °C (50…122 °F) (lowest T set point = 10 °C (18 °F) below ambient) |
| Accuracy | ±0.1 °C (±0.2 °F) |
| Stability | ±0.1 °C (±0.2 °F) |
| Chamber | |
| Ramp Rate | 20…40 °C (68…104 °F): 1.5 °C / minute (2.7 °F / minute) 40…20 °C (104…68 °F): 0.7 °C / minute (1.2 °F / minute) |
| Control Element | Removable relative humidity sensor |
| General | |
| Probe Ports | Up to 5 – sensor body diameters 5 to 25 mm (0.2 to 0.98”) accommodated by port adapters |
| Chamber Volume | 2000 cm³ (122.1 in³) |
| Chamber Dimensions | 105 x 105 x 160 mm (4.13 x 4.13 x 6.3”) (h x w x d) |
| Instrument Dimensions | 290 x 520 x 420 mm (11.4 x 20.5 x 16.5”) (h x w x d) |
| Set-Point Resolution | 0.1 for humidity and temperature |
| Displays | 3 digit LED, 10 mm (0.39”) characters |
| Supply | 85…264 V AC, 47/63 Hz, 150 VA |
| Weight | 20 kg (44 lbs) |
| Order Codes | Product / Description |
| Doors and Door Ports | |
| A000266 | Door with clear window – no ports |
| A000268 | Door without ports |
| A000263 | Door with 5 ports – please order adaptors separately |
| A000264 | Door kit with 5 ports and 25 adapters – 5 x Ø19 mm (0.75”), 4 x Ø12 mm (0.47”), 4 x Ø13.5 mm (0.53”), 4 x Ø15 mm (0.59”), 4 x Ø18.5 mm (0.73”), 4 x Ø24 mm (0.94”) – and 25 blind stops. Adapter tool included |
| A000369 | Door kit for use with MI OptidewOPT401/501. (Optidew dew-point sensor port opening, PRT port adapter plus 3 x Ø standard sized adapters. Adapter tool included) |
| A000279 | Polymer adapter Ø19 mm to Ø6 mm PRT |
| A000290 | Molded polymer port adapter & blind stop (to be modified by customer) (M30x1) |
| A000290X | Polymer port adapter Ø client specific & blind stop (check possibility with factory first) |
| A000291 | Polymer port adapter for Ø12.0 mm (0.47″) probe, blind stop (M30x1) |
| A000292 | Polymer port adapter for Ø13.5 mm (0.53″) probe, blind stop (M30x1) |
| A000293 | Polymer port adapter for Ø14.0 mm (0.55″) probe, blind stop (M30x1) |
| A000294 | Polymer port adapter for Ø15.0 mm (0.59″) probe, blind stop (M30x1) |
| A000295 | Polymer port adapter for Ø18.5 mm (0.73″) probe, blind stop (M30x1) |
| A000296 | Polymer port adapter for Ø19.0 mm (0.75″) probe, blind stop (M30x1) |
| A000297 | Polymer port adapter for Ø24.0 mm (0.95″) probe, blind stop (M30x1) |
| A000298 | Polymer port adapter for Ø25.0 mm (0.98″) probe, blind stop (M30x1) |
| A000377 | Blind stop for Optidew 2 opening |
| A000378 | Blind stop for Optidew 2 Ø6 mm opening |
| A000265 | Tool for changing the port adapters |
| Miscellaneous | |
| A000240 | Drying module (including desiccant) |
| A000242 | Water bottle |
| A000171 | 0.25 kg (0.55 lbs) desiccant (orange) |
| A000172 | 3 kg (6.6 lbs) desiccant (orange) |
| HT961T00 | Control sensor. (Please add to order of control sensor, which type of calibration is preferred. See calibration RH tab for choice of calibration and prices) |
| OCAL-TC | Transport Case for OptiCal and S904 |
| S8K-REM-TSG | S8000 Remote guard for use in S904 and Optical |
You can request the necessary certificates, documentation, instructions and user guide for Rotronic S904 using the special form.
You can buy Rotronic S904 in UAE at a price starting from По запросу $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email rop@texairmeasure.ae. Rotronic S904 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
See also: Other instruments
