High-temperature dry block heater Gemini 700

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Presentation
The Gemini 700 is a portable dry-block calibrator for temperature probes from 50°C to 700°C. Its large capacity allows calibration of several thermometers simultaneously: thermocouples, resistance probes, thermostats and other sensors. It is particularly suited to calibrating large sensors thanks to a high-capacity block (65 x 160 mm).

Insert and variants
The standard insert is fixed and provides 4 holes of 8 mm and 4 holes of 19.5 mm with a depth of 160 mm. A removable-insert version is available (model Gemini 700 LRI). The Gemini 700 is offered in two versions: model B (Basic) and model S (Site). The B model is equipped with a regulator displaying the setpoint and the temperature measured by the control probe. The S model additionally integrates a digital indicator to which a reference probe can be connected to improve accuracy by eliminating gradient and loading errors. For laboratory use, connecting the Gemini 700 to a high-performance temperature indicator is recommended.

Key points

• Large calibration volume: 64 x 160 mm depth
• Wide operating range: 50°C to 700°C
• High-capacity block suitable for large sensors

Standard models and delivered accessories

• Gemini 700 B (Basic) delivered with: a set of 4 drilled sleeves (well diameters 4 / 6 / 8 / 10 / 12 / 14 mm, 150 mm depth to be specified at order), Cal Notepad software, serial communication cable, user manual, traceability certificate.
• Gemini 700 S (Site) delivered with: same items as model B, plus an integrated digital indicator and connectors for probes 935-14-72/DB and 935-14-63.

Metal sleeves

• MIXED set: set of 4 standard bronze sleeves with wells of diameter 4 / 6 / 8 / 10 / 12 / 14 mm (to be specified at order), 150 mm depth.
• 857-07-02: set of 4 bronze sleeves without drilling.
• 857-07-04: bronze sleeve drilled with 2 wells of 4.5 mm diameter, 150 mm depth.
• Associated reference probes and standards: 935-14-72/DB (working standard Pt100), 935-14-63 (type N thermocouple, -35°C to 700°C).

Other accessories

• Transport case (reference 931-22-64).
• UKAS certificate available (5-point calibration certificate).

Transport information
Dimensions without packaging: 302 x 176 x 262 mm. Weight without packaging: 14 kg.

Technical characteristics / specifications

• Temperature range: 50°C to +700°C
• Absolute stability over 30 min: ±0.05°C at 250°C; ±0.05°C at 550°C; ±0.05°C at 700°C
• Ramp time (50°C to 700°C): 110 min
• Performance: see performance graph (temperature/load curve available in product documentation)
• Calibration volume: fixed insert; 4 x 8 mm and 4 x 19.5 mm; depth: 160 mm
• High-capacity block adapted to large sensors: block volume approx. 65 x 160 mm
• Dimensions (unit): 302 x 176 x 262 mm
• Mass: 14 kg
• Display: resolution 0.01 to 99.99 and 0.1 to 100.0 / 700.0; units: °C, °F, K
• Power supply: 100/120 V 50/60 Hz or 200/240 V 50/60 Hz; 600 Watts
• Communication interfaces: RS 232
• Available versions: Gemini 700 B (Basic) and Gemini 700 S (Site) with digital indicator and connectors for reference probes
• Delivered with: set of sleeves (variable diameters), Cal Notepad software, serial cable, user manual, traceability certificate