Checktemp 1 Digital Thermometer - Hanna Instruments
Checktemp 1 Digital Thermometer - Hanna Instruments
UPC: HI98509
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The HI98509 Checktemp 1 delivers laboratory-grade temperature accuracy in a compact, handheld form. Its NTC thermistor sensor responds quickly and resolves temperature to ±0.2°C (±0.5°F), a level of precision that matters when dialing in a reef system or verifying a QT tank during acclimation. The 1 m (3.3') silicone-jacketed cable keeps flexibility in cold environments without stiffening, and the sharp stainless steel probe tip seats cleanly against a probe tip or submerges directly into a water column.
Hanna's CAL Check system automatically runs a self-verification routine every time the meter powers on. It reports a simple "-0-" if calibration is confirmed good, or "Err" if there is a problem — removing any guesswork about whether the reading you're seeing is trustworthy. This is particularly useful in a reef context where a single degree of variance can flag a heater failure or chiller drift early.
The probe is fabricated from AISI 316 stainless steel, a grade specified for food and laboratory compliance under HACCP protocols. Display units toggle between °C and °F at user preference, and the Auto-Off timer can be set to 8 minutes, 60 minutes, or disabled entirely depending on workflow. The large LCD is readable across a wide viewing angle and a broad ambient temperature range.
For reef and marine aquarium use, the Checktemp 1 works best as a spot-check or calibration reference tool — confirming the accuracy of an inline probe, verifying a new heater setpoint, or checking temperature during livestock transport. Its IP65 water-resistant rating means incidental splashing is not a concern, though it is not rated for continuous submersion. A fresh LR44 battery is included, and no external calibration equipment is needed for day-to-day use.
Overview
Accurate. Fast. Verified.
The Checktemp 1 combines thermistor-based precision with an automatic self-check system, giving you a confirmed, trustworthy reading every time the meter powers on.
Precision Measurement
- ±0.2°C (±0.5°F) accuracy via NTC thermistor sensor
- Fast response time compared to traditional thermocouple designs
- Selectable °C/°F readout on a large, wide-angle LCD
CAL Check Self-Verification
- Automatically confirms calibration status at every startup
- Displays "-0-" for a passing check or "Err" if a fault is detected
- Eliminates need for routine manual calibration verification
Durable, Practical Design
- AISI 316 stainless steel probe meets food-grade and HACCP standards
- 1 m flexible silicone cable retains pliability across temperature extremes
- IP65 water-resistant housing; Auto-Off configurable at 8 min, 60 min, or off
Specifications
HI98509 CHECKTEMP 1
- Accuracy
- ±0.2°C / ±0.5°F
- Sensor Type
- NTC thermistor
- Probe Material
- AISI 316 stainless steel
- Cable Length
- 1 m (3.3')
- Cable Material
- Flexible silicone
- Display
- Large LCD, wide viewing angle
- Temperature Units
- °C / °F (user selectable)
- Water Resistance
- IP65
- Auto-Off
- 8 min, 60 min, or disabled
- Calibration Check
- CAL Check automatic self-verification at startup
- HACCP Compatible
- Yes