| A | RH390 | -22 Degrees to 199 Degrees F | 9V | Dual LCD | Min/Max | 0 to 100% | Less Than 30 sec. | - | +/-1.8 Degrees F | A$ 621.57 | |
| B | RH490 | -22 Degrees to 199 Degrees F | 9V | Dual LCD | Min/Max | 0 to 100% | Less Than 30 sec. | - | +/-1.8 Degrees F | A$ 1291.38 | |
| B | RH490-NIST | -22 Degrees to 199 Degrees F | 9V | Dual LCD | Min/Max | 0 to 100% | Less Than 30 sec. | - | +/-1.8 Degrees F | A$ 1323.30 | |
| C | 44550 | 14 Degrees to 122 Degrees F | LR44 Button Battery | LCD | Min/Max | 20 to 90% | - | Resistive Ceramic (RH), Thermistor (Temperature) | +/-2 Degrees F | A$ 102.67 | |
| D | 445580 | 14 Degrees to 122 Degrees F | 3V Lithium | Dual LCD | Min/Max | 10 to 90% | 120 sec. | Capacitance | +/-1.8 Degrees F | A$ 246.47 | |
| E | SDL500 | 32 Degrees to 122 Degrees F | (6) AA | Backlit Dual LCD | Min/Max | 5 to 95% | 180 sec. | Precision Capacitance Sensor (Humidity), Thermistor (Temperature) | +/-1.8 Degrees F | A$ 1227.20 | |
| F | RH300 | Air -4 Degrees to 122 Degrees F/ Probe -4 Degrees to 158 Degrees F | AAA | Digital 3 Line LCD | Min/Max | 0 to 100% | 60 sec. | Capacitance | +/-1.8 Degrees F | A$ 382.67 | |
| F | RH300-NIST | Air -4 Degrees to 122 Degrees F/ Probe -4 Degrees to 158 Degrees F | AAA | Digital 3 Line LCD | Min/Max | 0 to 100% | 60 sec. | Capacitance | +/-1.8 Degrees F | A$ 787.51 | |
| G | RH350 | Air -4 Degrees to 122 Degrees F/ Probe -328 Degrees to 2498 Degrees F | AAA | Digital 3 Line LCD | Min/Max/Avg | 0 to 100% | 60 sec. | Capacitance | +/-1.8 Degrees F | A$ 606.36 | |
| G | RH350-NIST | Air -4 Degrees to 122 Degrees F/ Probe -328 Degrees to 2498 Degrees F | AAA | Digital 3 Line LCD | Min/Max/Avg | 0 to 100% | 60 sec. | Capacitance | +/-1.8 Degrees F | A$ 820.25 | |
| H | EN300 | Thermistor 32 Degrees to 122 Degrees F, Type K -148 Degrees to 2372 Degrees F | (6) 1.5V AAA | Dual LCD | Min/Max | 10 to 95% | - | Thermistor | 1%, 2 Degrees F | A$ 881.78 | |
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