Precision Digital thermometers - Single or double thermocouples
Serial interface and Data Logging options

digital manometer
  • Precision Thermcouple thermometer
  • J,K,N,S,T Sensors
  • Measures two independent sensors
  • Temperature Difference measurement
  • Fast Response Time
  • Hold Function
  • Min Max Function
  • Min Max Alarm Function
  • Data Logging (option )
  • High Speed Sampling
  • Unit Selection °C /°F
  • Digital Interface USB connection (option )
  • Portable battery powered
  • Auto switch off power saver
  • Backlit LCD Display
  • Calibration Certificate
  • ISO quality assurance
  • 2 year warranty

dual inputSeries 3230 and 3250 are precision professional grade digital thermometers. The units are available with single or double TC inputs and can monitor each channel and the difference between them. Ideal for critical applications in quality control, laboratory analytics, biomedical pharmaceutical, clinical and similar application. Use for temperature control of media, droplets, incubators, heated stages and any application requiring accurate temperature monitoring.

Common Specifications

Thermocouples J,K,N,S,T
Resolution 0.1°C or 1°C 0.1°F or 1°F
Measuring range

Type K (NiCr-Ni): -199.9 ... +999.9°C or -220 ... +1372°C -199.9 ... +999.9°F or -364 ... +2500°F
Type J (Fe-CuNi): -120.0 ... +700.0°C or -200 ... +1100°C -184.0 ... +999.9°F or -328 ... +2012°F
Type N (NiCrSi-NiSi): -199.9 ... +999.9°C or -200 ... +1300°C -199.9 ... +999.9°F or -328 ... +2372°F
Type S (Pt10Rh-Pt): -50.0 ... +999.9°C or -50 ... +1768°C -58.0 ... +999.9°F or -58 ... +3214°F
Type T (Cu-CuNi): -120.0 ... +400.0°C or -220 ... +400°C -184.0 ... +752.0°F or -364 ... +752°F

Accuracy Type K:
-199.9 ... +999.9°C: ±0.03%of m.v. ±0.05%FS (T≥-60°C); ±0.2% of m.v. ±0.05%FS (T<-60°C)
-220 ... +1372°C: ±0.08% of m.v. ±0.1%FS (T≥-100°C); ±1°C ±0.1%FS (T<-100°C)
Type J:
-120.0 ... +700.0°C: ±0.03% of m.v. ±0.08%FS (T≥-80°C); ±0.2% of m.v. ±0.08%FS (T<-80°C)
-200 ... +1100°C: ±0.08% of m.v. ±0.1%FS (T≥-150°C); ±1°C ±0.1%FS (T<-150°C)
Type N:
-199.9 ... +999.9°C: ±0.03% of m.v. ±0.05%FS (T≥-60°C); ±0.2% of m.v. ±0.05%FS (T<-60°C)
-200 ... +1300°C: ±0.08% of m.v. ±0.1%FS (T≥-100°C); ±1°C ±0.1%FS (T<-100°C)
Type S:
0.0 ... +999.9°C: ±0.05% of m.v. ±0.08%FS (T≥200°C); ±0.2% of m.v. ±0.08%FS (T<200°C
) -50 ... +1768°C: ±0.1% of m.v. ±0.1%FS (T≥200°C); ±1°C ±0.1%FS (T<200°C)
Type T:
-120.0 ... +400.0°C: ±0.03% of m.v. ±0.1%FS (T≥-70°C); ±0.2% of m.v. ±0.1%FS (T<-70°C)
-220 ... +400°C: ±1°C (T≥-100°C); ±1°C ±1digit (T<-100°C)
Min Max Value Both the max. and the min. value will be memorized for sensor 1, sensor 2 and the difference
Hold Function Press button to store current values of sensor 1, sensor 2 and their difference
Min Max Alarm min. and max. values set for measuring values of sensor 1, sensor 2, sensor 1 and 2 or temperature difference are constantly monitored
Auto Off Device will be automatically switched off if no key is pressed/no interface communication takes place for the time of the power-off delay. The power-off delay can be set to values between 1and 120 min.; it can be completely deactivated.
Temperature Drift 0.01%/K
Thermcouple Connection Miniature 2 pin
Display 2 four digit LCDs (12.4 mm high and 7 mm high) for measuring values, and for min/ max memories, hold function, etc. as well as additional functional arrows.
Keypad Membrane keypad 6 buttons
Data Logger Store data at push of a button, or programmable in intervals of 1 to 3600 seconds, maximum of 10000 data sets
Output Analogue output 0-1 volt scaleable
Interface Serial interface (3.5mm jack) can be connected to USB or RS232 interface of a PC via electrically isolated interface adapter USB 3100, USB 3100 N, GRS 3100 or GRS 3105 (see accessories).
Power Supply 9V battery, type: IEC 6F22 (included in scope of supply) as well as additional d.c. connector (diameter of internal pin 1.9 mm) for external 10.5-12V direct voltage supply. (suitable power supply: GNG10/3000) Power
Power consumption 1.6 mA
Low Battery Warning ' bAt '
Operating Conditions -20 ... +50 °C, 0 ... 95 %RH (not condensing)
Storage Temp -20 ... +70 °C
Housing Impact resistant ABS
EMC 2004/108/EG

Ordering Information

Model Price each Order Online
3210 meter only single input $195.00
3230 meter only dual input $270.00
3250 meter only dual input with data logging $350.00
Serial interface adapter USB $95.00
0515 0.5mm x 150 mm K type droplet probe ( long thin probe) $55.00
400VE Surface Probe $110.00
GFS300 Fused twisted wire 1 m long $25.00
Other probes for this meter on request