Sato Thermohygrograph Sigma II 7210-00 7211-00 Sato Thermohygrograph Sigma II 7210-00 7211-00
Sato Thermohygrograph Sigma II 7210-00 7211-00

Sato Sigma II NSII-Q Thermohygrograph – 7210-00 & 7211-00

The Sato Thermohygrograph Sigma II NSII-Q continuously records temperature and relative humidity on an easy-to-read paper chart, providing a visible record without requiring a computer or network.

  • Temperature ranges of −15 to +40 °C or −10 to +50 °C
  • Relative-humidity range from 0 to 100 %RH, non-condensing
  • Selectable 1-day, 7-day or 32-day chart rotation
  • Transparent cover allows the chart to be viewed while closed
  • Battery-powered quartz clock with no external supply required
  • Suitable for warehouses, laboratories, clean areas and production rooms

The Sato Sigma II NSII-Q is a current paper thermohygrograph for continuous temperature and relative-humidity recording. Its rotating chart gives staff a visible record without a computer, network or external power supply.

  • 7210-00: −15 to +40 °C and 0 to 100 %RH
  • 7211-00: −10 to +50 °C and 0 to 100 %RH
  • Selectable 1-day, 7-day or 32-day chart rotation
  • Transparent cover and battery-powered quartz chart drive
  • Current paper-recorder option for discontinued Isuzu TH27R enquiries
  • Supplied from Malaysia; international enquiries are welcome

Sato temperature and humidity chart recorder

Sato Sigma II NSII-Q Thermohygrograph

The Sato Sigma II NSII-Q continuously records temperature and relative humidity using two pens on a rotating cylindrical chart. The record remains visible through the transparent cover, allowing operating staff to recognise excursions and changing conditions during routine inspections.

The recorder works independently of software and network infrastructure. It is suited to warehouses, laboratories, pharmaceutical and medical-product storage, production rooms, archives and other locations that require a straightforward local paper record.

Replacing a discontinued recorder?

Moving from an Isuzu TH27R to a Current Sato Recorder

The Isuzu TH27R is discontinued. For customers who still require a visible paper record of temperature and humidity, the Sato Sigma II NSII-Q is Seacom's closest current paper-recorder option.

It is not a direct drop-in replacement. Dimensions, temperature ranges, chart periods, chart papers and recording pens differ. Confirm the required measuring range and recording period before selecting the Sato 7210-00 or 7211-00.

Compare the Isuzu TH27R and Sato Sigma II →

Choose the Correct Sigma II Model

Catalogue numberTemperature rangeHumidity rangeTypical selection
7210-00 −15 to +40 °C 0 to 100 %RH, non-condensing General rooms, laboratories, storage areas and cooler environments
7211-00 −10 to +50 °C 0 to 100 %RH, non-condensing Warmer production, storage and equipment areas requiring the higher upper range

Before ordering: the two models use chart papers with different printed temperature scales. Confirm the recorder catalogue number, temperature range and selected chart period when ordering replacement charts.

Measurement and Recording Specifications

Temperature accuracy ±1 °C from +10 to +30 °C; ±2 °C elsewhere within the measuring range
Humidity accuracy ±3 %RH from 20 to 95 %RH at +15 to +25 °C; ±5 %RH under other conditions within the range
Chart graduation 1 °C and 1 %RH
Temperature sensing element Aged bimetallic strip
Humidity sensing element Human-hair bundle
Chart rotation Selectable 1 day, 7 days or 32 days
Power Two C-size batteries
Typical battery life Approximately one year when operated continuously in 7-day mode
Dimensions 336 W × 295 H × 148 D mm
Weight Approximately 3.1 kg, excluding batteries

Select the Recording Period

Chart periodBest suited toOperating consideration
1 day Testing, troubleshooting or short production runs Provides the widest time spacing but requires daily chart replacement
7 days Routine monitoring of rooms, warehouses and laboratories A practical balance between chart detail and weekly maintenance
32 days Long-term condition trending where frequent access is inconvenient Reduces chart changes but compresses events into a smaller time scale

The chart speed must match the paper period. After changing the speed switch, fit the corresponding chart and mark its start date, start time, instrument identity and monitoring location.

Sato Sigma II Chart Papers and Recording Pens

Recorder range1-day chart7-day chart32-day chart
7210-00
−15 to +40 °C / 0 to 100 %RH		 7210-60 7210-62 7210-64
7211-00
−10 to +50 °C / 0 to 100 %RH		 7211-60 7211-62 7211-64
ConsumableReferenceSelection guidance
Violet cartridge pen 7210-90 / 7238-04 / 7238-02 Confirm the current supply format and quantity when ordering
Red cartridge pen 7210-92 / 7238-08 / 7238-06 Confirm compatibility with the installed recording arm
Chart paper Model- and period-specific Match both the temperature scale and 1-, 7- or 32-day rotation

Consumable references and pack quantities can change. When reordering, provide a photograph of the recorder nameplate, the existing chart number and the required recording period.

Typical Sato Thermohygrograph Applications

Pharmaceutical storageLocal paper records for temperature- and humidity-sensitive rooms.
LaboratoriesVisible environmental trends in test rooms and controlled spaces.
WarehousesRoutine monitoring for food, packaging, dry goods and materials.
Production areasAt-a-glance records for electronics, precision work and clean areas.
Museums and archivesPaper histories for collections, libraries and document storage.
HVAC investigationLocal trend recording during environmental checks and troubleshooting.

Thermohygrograph or Electronic Data Logger?

Selection pointSato Sigma II chart recorderElectronic data logger
Local visibility Immediate graphical history visible through the cover Normally uses a display, software or exported report
Infrastructure No computer, network or external power supply required May require software, interfaces, gateways or network access
Record format Physical paper charts filed manually Electronic records with configurable storage and reporting
Routine work Chart and pen replacement plus manual filing Battery, download, software and data-management procedures

Choose the Sigma II when a simple, visible paper record is the priority. Consider an electronic logger or central monitoring system when the application requires automated reports, remote alarms, audit trails or data from multiple locations.

Sato Sigma II supplier and product support

Ask Seacom About the Sato Sigma II NSII-Q

Seacom Process Instruments is based in Malaysia and welcomes local and international enquiries for Sato thermohygrographs, chart papers and recording pens. We can help compare the 7210-00 and 7211-00, select the correct recording period and review a move from a discontinued Isuzu TH27R.

For an accurate quotation, include the required temperature range, chart period, quantity, destination country and—when replacing an existing recorder—a photograph of its nameplate and current chart.

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  Sato Thermohygrograph Catalogue   (309.1k)


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