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Sato Thermohygrograph Catalogue
Sigma II, Mini Cube, Mini-Α (Blue)
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Isuzu TH27R Quartz Thermohygrograph – Discontinued
The Isuzu TH27R paper temperature and humidity recorder has been discontinued and is no longer recommended for new installations. Seacom continues to support existing instruments with selected chart papers and recording pens.
- Legacy temperature range from −20 to +50 °C
- Relative-humidity range from 0 to 100 %RH
- Quartz-driven cylindrical paper-chart recorder
- Replacement TH27R chart papers and cartridge pens remain available
- Existing recorder and chart details must be confirmed before ordering
- Closest current substitute: Sato Sigma II NSII-Q thermohygrograph
The Isuzu TH27R paper thermohygrograph is discontinued and should not be specified for new installations. Seacom continues to help existing users identify selected chart papers and recording pens.
- Legacy measuring range: −20 to +50 °C and 0 to 100 %RH
- Quartz-driven cylindrical temperature and humidity chart recorder
- Existing recorder and consumable references must be checked before ordering
- Selected TH27R chart papers and pens remain available, subject to confirmation
- Closest current paper-recorder option: Sato Sigma II NSII-Q
- Malaysia-based support for local and international enquiries
Discontinued thermohygrograph support
Isuzu TH27R Discontinued — Consumables and Replacement Guidance
The complete Isuzu TH27R recorder is discontinued. Keep an existing unit in service only while it remains suitable and serviceable. Seacom can check selected TH27R chart papers and recording pens against the recorder and existing consumable details.
For a new paper temperature-and-humidity recorder, consider the current Sato Sigma II NSII-Q. It performs the same basic recording function, but it is not a direct drop-in replacement and uses different chart papers and pens.
About the Isuzu TH27R Thermohygrograph
The Isuzu TH27R records temperature and relative humidity continuously on a cylindrical paper chart. It has been used in warehouses, laboratories, production areas, museums, archives and other locations where staff need a visible local record without software or network infrastructure.
This page is retained to help existing TH27R owners identify their instrument, find compatible consumables and compare a current replacement. It should not be used to specify the discontinued recorder for a new project.
Legacy Isuzu TH27R Specifications
| Product status | Discontinued |
|---|---|
| Temperature range | −20 to +50 °C |
| Temperature accuracy | Approximately ±1 °C |
| Relative-humidity range | 0 to 100 %RH |
| Humidity accuracy | Approximately ±3 %RH under specified conditions |
| Minimum chart graduation | 1 °C and 1 %RH |
| Temperature sensor | Bimetallic strip |
| Humidity sensor | Human-hair bundle |
| Recording mechanism | Quartz-driven cylindrical chart |
| Legacy recording periods | 1, 7, 31, 62, 93, 183 or 365 days, depending on chart and recorder setting |
Compatibility warning: similar-looking charts can have different time scales, temperature ranges, centre holes or printed arcs. Pens can also differ in arm fit and tip position. Do not order by appearance alone.
Isuzu TH27R Chart Paper and Recording Pens
When requesting consumables, provide as much of the following information as possible:
- Recorder model and a clear photograph of the nameplate
- Part number printed on the existing chart paper
- Temperature and humidity scales printed on the chart
- Recording period, such as 1, 7, 31 or 62 days
- Photographs of the installed pens and recording arms
- Required quantity and destination country
Supply remains subject to compatibility and stock confirmation. A chart or pen should not be assumed compatible merely because it fits another cylindrical recorder.
Isuzu TH27R or Sato Sigma II NSII-Q?
| Selection point | Isuzu TH27R | Sato Sigma II NSII-Q |
|---|---|---|
| Product status | Discontinued; support for existing units only | Current paper thermohygrograph for new enquiries |
| Temperature range | −20 to +50 °C | 7210-00: −15 to +40 °C 7211-00: −10 to +50 °C |
| Humidity range | 0 to 100 %RH | 0 to 100 %RH, non-condensing |
| Chart periods | 1, 7, 31, 62, 93, 183 or 365 days, depending on configuration | Selectable 1, 7 or 32 days |
| Recording method | Cylindrical paper chart with two pens | Cylindrical paper chart with two pens |
| Power | Battery-powered quartz mechanism | Two C-size batteries |
| Chart compatibility | Uses TH27R-specific charts | Uses model- and period-specific Sato 7210/7211 charts |
| Recommended direction | Maintain only while the installed recorder remains serviceable | Evaluate for new paper-recorder requirements |
The Sato Sigma II does not reproduce every TH27R chart period or the full legacy temperature span. Review the operating range, chart interval, mounting space and documentation procedure before changing recorder.
See Sato Sigma II models, specifications and chart references →
Choosing the Right Replacement Approach
Keep a paper recordEvaluate the Sato Sigma II when staff still need a visible chart at the monitoring location.
Move to electronic recordsConsider a temperature and humidity data logger when downloadable readings and trend analysis are required.
Add remote alarmsConsider a central monitoring system for multiple locations, alarm notifications, historical records and reporting.
Isuzu TH27R support and Sato replacement selection
Ask Seacom About TH27R Consumables or a Replacement Recorder
Seacom Process Instruments is based in Malaysia and welcomes local and international enquiries. For an existing TH27R, send the recorder nameplate, chart reference, printed range, recording period and photographs of the installed pens. For a new recorder, include the required temperature range, chart period, application and destination country.
We will check the suitable consumable or replacement direction and confirm availability, compatibility and delivery arrangements with the quotation.
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The Sato Mini-Alpha 7006-00 is a compact thermohygrograph that records temperature and relative humidity on a seven-day paper chart.
- Temperature range: −15 to 50°C.
- Humidity range: 10–100% RH.
- Quartz drum drive powered by one AA battery.
- Desktop or wall-mounted use; approximately 0.8 kg.
- Replaceable chart paper and cartridge pens.
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 Sekonic ST-50A displays temperature and relative humidity and records both on a continuous paper chart.
- Electronic temperature and humidity sensing with LCD display.
- Optional extension cables for remote sensor placement.
- Battery operation or a suitable external DC supply.
- Desktop or wall-mounted installation.
Being phased out: confirm availability before ordering. Alternatives include the Sato Sigma II for paper records, Sato SK-L754 for electronic logging and Vaisala viewLinc for centralised monitoring.
The Sekonic ST-50M digital thermohygrograph is discontinued. It combined temperature and humidity measurement with paper chart recording and SD-card storage.
- Paper records: consider the Sato Sigma II NSII-Q.
- Electronic records: consider the Sato SK-L754 temperature and humidity data logger.
- Centralised monitoring and alarms: consider Vaisala RFL100, AP10 and viewLinc.
Contact Seacom to match the replacement to your recording requirements. Features and accessories differ from the original ST-50M.
16 other products in the same category:
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 Sekonic ST-50A displays temperature and relative humidity and records both on a continuous paper chart.
- Electronic temperature and humidity sensing with LCD display.
- Optional extension cables for remote sensor placement.
- Battery operation or a suitable external DC supply.
- Desktop or wall-mounted installation.
Being phased out: confirm availability before ordering. Alternatives include the Sato Sigma II for paper records, Sato SK-L754 for electronic logging and Vaisala viewLinc for centralised monitoring.
The Vaisala DL2000 combines precision temperature and relative-humidity monitoring with optional analog or door-contact inputs for viewLinc systems.
- Scheduled for future discontinuation; confirm availability before specifying
- Current replacement platform: Vaisala VDL200 with suitable smart probes
- Internal temperature and relative-humidity measurement
- Optional current, voltage or Boolean input configurations
- Onboard memory and a typical 10-year battery life
The Sekonic SP-100 is a portable universal 6-channel chart recorder for temperature and process signals.
- Thermocouple, Pt100, DC voltage and 4–20 mA inputs.
- Colour chart recording with configurable ranges and scaling.
- Selectable chart speeds and recording formats.
- Optional memory-card recording.
Discontinued model. Contact Seacom for availability, pricing and configuration details.
The Sato SK-L400T measures and records temperature from up to four Type K thermocouple probes, with all four readings shown on a large backlit display.
- Four temperature channels for comparing multiple measurement points.
- SD-card recording with intervals from 1 second to 90 minutes.
- Independent high and low alarms for each channel.
- MAX/MIN, relative readings and T1–T2 temperature difference.
- Battery operation with an optional AC adapter.
- Probes sold separately; measuring range depends on the selected probe.
The Vaisala VDL200 is a secure Power-over-Ethernet data logger for monitoring temperature, relative humidity, carbon dioxide and analog or Boolean inputs in controlled and GxP-regulated environments.
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The Anritsu AM-8000 Series is discontinued and has been replaced by the AM-9000 Series.
For a replacement, select the appropriate channel count, thermocouple input configuration and recording interval.
- 6-channel and 12-channel replacement options.
- Fixed thermocouple-type or multi-input models.
- USB communication and optional AMS-950 analysis software.
- Confirm existing probe, connector and accessory compatibility.
The Vaisala RFL100 uses secure, long-range VaiNet wireless technology to monitor temperature, relative humidity and carbon dioxide with the AP10 Access Point and viewLinc Continuous Monitoring System.
- At least 50 m typical indoor wireless range
- Up to 32 RFL100 data loggers per AP10
- 30 days of local measurement memory
- Approximately 18 months of battery operation for temperature and humidity monitoring
DeltaTrak in-transit temperature loggers and recorders document temperature conditions during shipment.
- 16000 Series: disposable paper chart recorders with model-dependent recording periods from 5 to 90 days.
- FlashLink Mini PDF: single-use electronic logger with USB PDF and CSV reports.
- Choose according to shipment duration, temperature range and the receiving team's record requirements.
Dickson round chart recorders provide a visible paper record of temperature or temperature and humidity for routine inspection and filing.
- 3-inch SC3: compact temperature recorder
- 4-inch SL4: temperature recorder with digital display
- 8-inch KT8: temperature recording with sensor and channel options
- 8-inch TH8: temperature and relative humidity recording
- Replacement selection assistance for older KT6, TH6, KT8P, KT856 and TH8P models
Send your existing model number, measurement range and chart reference so we can help identify a suitable configuration.
The Sato SK-L200TH II temperature and humidity data logger is discontinued. The replacement is the Sato SK-L754, selected with a compatible temperature and humidity probe.
- Electronic temperature and humidity recording.
- 16,000 stored readings per channel.
- USB communication and microSD data transfer.
- Choice of plug-in or cabled probe, purchased separately.
The Anritsu AM-9000 Series records temperature from six or twelve thermocouple channels in one portable instrument. Choose a fixed thermocouple-type model or a flexible multi-input model for temperature and DC-voltage measurement.
- Choice of 6-channel or 12-channel instruments
- Fixed thermocouple-type and multi-input versions
- Supports E, K, J, T and R thermocouples according to model
- 120,000 measurement-data memory
- USB 2.0 Micro-B communication for data transfer
- Battery operation or optional AC adaptor
- Optional AMS-950 software for PC analysis
The Sato Mini-Cube 7008-10 records temperature and relative humidity on a seven-day paper chart for routine inspection and filing.
- Temperature range: −15 to 40°C.
- Humidity range: 5 to 100%RH, non-condensing.
- Quartz-controlled seven-day chart rotation.
- Replaceable cartridge pens.
- Powered by one AA zinc-carbon battery.
- Supplied with 55 sheets of seven-day chart paper.
The DicksonOne TWP provides local touchscreen viewing and cloud-connected monitoring of temperature, relative humidity or differential pressure. Its replaceable sensor system simplifies calibration and supports different monitoring applications using the same logger platform.
- Large 8-inch LCD touchscreen
- WiFi, Ethernet and Power over Ethernet connectivity
- Approximately 1,000,000 sample-point backup capacity
- Up to 70 hours of rechargeable battery backup
- Replaceable temperature, humidity, thermocouple, RTD and differential-pressure sensors
- Phone, text and email alarms through a DicksonOne subscription
The Sekonic ST-50M digital thermohygrograph is discontinued. It combined temperature and humidity measurement with paper chart recording and SD-card storage.
- Paper records: consider the Sato Sigma II NSII-Q.
- Electronic records: consider the Sato SK-L754 temperature and humidity data logger.
- Centralised monitoring and alarms: consider Vaisala RFL100, AP10 and viewLinc.
Contact Seacom to match the replacement to your recording requirements. Features and accessories differ from the original ST-50M.
The Sato Mini-Alpha 7006-00 is a compact thermohygrograph that records temperature and relative humidity on a seven-day paper chart.
- Temperature range: −15 to 50°C.
- Humidity range: 10–100% RH.
- Quartz drum drive powered by one AA battery.
- Desktop or wall-mounted use; approximately 0.8 kg.
- Replaceable chart paper and cartridge pens.