| General |
Operating temperature
MI70
PTB330
HMP155 |
−10 … +40 °C (+14 … +104 °F)
−40 … +60 °C (−40 … +140 °F)
−80 … +60 °C (−112 … +140 °F) |
| Operating humidity |
Non-condensing |
| Maximum pressure limit |
5000 hPa abs. |
| Power supply |
Rechargeable NiMH battery pack with
AC-adapter or 4xAA-size alkalines,
type IEC LR6 |
| Menu languages |
English, Chinese, French, Spanish,
German, Russian, Japanese, Swedish,
Finnish |
| Display |
LCD with backlight, graphic trend
display of any parameter, character
height up to 16 mm |
| Data logging capacity |
2700 points |
| Alarm |
Audible alarm function |
| Compliance |
• EMC Directive (2004/108/EC)
Complies with the EMC product
family standard EN61326‑1
• Electrical equipment for
measurement control and
laboratory use
• Basic immunity test requirements
• Low Voltage Directive
(2006/95/EC)
• ROHS Directive (2002/95/EC) |
| Operation Time (Using Rechargeable Battery Pack) |
| Continuous use with PTB330 |
11 h typical at +20 °C (+68 °F) |
| Datalogging use |
Up to 30 days |
| Measurement Performance |
| Barometric Pressure (PTB330) |
| Measurement range |
500 … 1100 hPa |
| Linearity 1) |
±0.05 hPa |
| Hysteresis 1) |
±0.03 hPa |
| Repeatability 1) |
±0.03 hPa |
| Calibration uncertainty 2) |
±0.07 hPa |
| Accuracy at +20 °C (+68 °F) 3) |
±0.10 hPa |
| Temperature dependence 4) |
±0.1 hPa |
| Total accuracy -40 … +60 °C (-40 … +140 °F) |
±0.15 hPa |
| Long-term stability |
±0.1 hPa/year |
| Settling time at startup (one sensor) |
4 s |
| Response time (one sensor) |
2 s |
| Acceleration sensitivity |
Negligible |
| Relative Humidity (HMP155) |
| Measurement range |
0 … 100 %RH |
| Accuracy (incl. non-linearity, hysteresis and repeatability) |
| at +15 … +25 °C (+59 … +77 °F) |
±1 %RH (0 … 90 %RH)
±1.7 %RH (90 … 100 %RH) |
| at −10 … +40 °C (−4 … 104 °F) |
±(1.0 + 0.008 reading) %RH |
| Factory calibration uncertainty at +20 °C (+68 °F) |
±0.6 %RH (0 … 40 %RH) 5)
±1.0 %RH (40 … 97 %RH) 5) |
| Humidity sensor |
HUMICAP180R
HUMICAP180RC |
| Response time at +20 °C (+68 °F) in still air with a sintered PTFE filter |
| 63% |
20 s |
| 90% |
60 s |
| Temperature (HMP155) |
| Measurement range |
−10 … +40 °C (+14 … +104 °F) |
| Accuracy |
| −10 … +20 °C (+14 … +68 °F) |
±(0.176 – 0.0028 x temperature) °C |
| (+20 … +40 °C) (+68 … +104 °F) |
±(0.07 + 0.0025 x temperature) °C |
| Temperature sensor |
Pt100 RTD Class F0.1 IEC 60751 |
| Response time with additional temperature probe in 3 m/s air flow |
| 63% |
< 20 s |
| 90% |
< 35 s |
1) Defined as ±2 standard deviation limits of endpoint non-linearity, hysteresis, or repeatability error
2) Defined as ±2 standard deviation limits of inaccuracy of the working standard including traceability to NIST.
3) Defined as the root sum of the squares (RSS) of endpoint non-linearity, hysteresis error, repeatability error, and calibration uncertainty at room temperature.
4) Defined as ±2 standard deviation limits of temperature dependence over the operating temperature range.
5) Defined as ±2 standard deviation limits. Small variations possible, see also calibration certificate. |
| Available Parameters |
| Pressure parameters |
P, P3h, HCP, QFE, QNH |
| Humidity and temperature parameters |
RH, T, Tdf, Td, x, Tw |
| Inputs and Outputs |
| MI70 probe ports |
2 |
| MI70 data interface |
RS-232 (accessible only with MI70
Link software) |
| PTB330 supply voltage |
10 … 35 VDC (if not powered by MI70) |
| PTB330 data interface |
RS‑232C |
| PTB330 serial I/O connectors |
RJ45 (service port) Male 8‑pin M12
(user port) |
| HMP155 data interface |
RS‑485 |
| HMP155 serial I/O connector |
Male 8‑pin M12 |
| Mechanical Specifications |
| PTB330 |
| Housing material |
G-AlSi 10 Mg (DIN 1725) |
| IP rating |
IP65 |
| Pressure connector |
M5 (10-32) internal thread |
| Pressure fitting |
Barbed fitting for 1/8 inch I.D. tubing
or quick connector with shutoff valve
for 1/8 inch hose |
| HMP155 |
| Housing material |
PC |
| IP rating |
IP66 |
| Additional T-probe cable length |
2 m (6 ft 6 in) |
| Cable material |
PUR |
| Sensor protection |
Sintered PTFE |
| MI70 Measurement Indicator |
| IP rating |
IP54 |
| Housing material |
ABS/PC blend |
| Transport Case |
| IP rating (when closed) |
IP67 |
| Plastic parts |
TTX01â, PP+SEBS, POM |
| Metal parts |
Stainless steel AISI303 |
| Interior foam material |
Polyethylene and polyether |
| Weight with all instruments and typical accessories |
5.9 kg (13 lb) |
| Exterior dimensions (L × W × H) |
405 × 330 × 165 mm
(15.94 × 12.99 × 6.50 in) |
| Spare Parts and Accessories |
| PTB330 |
| MI70 – PTB330 spiral cable |
223235SP |
| USB-RJ45 serial connection cable |
219685 |
| Serial connection cable |
19446ZZ |
| Barbed fitting 1/8 in |
19498SP |
| Quick connector 1/8 in |
220186 |
| Transport case with interior foams and tabletop casing for PTB330 |
Transport case with interior foams and
tabletop casing for PTB330 |
| MI70 |
| USB cable for MI70, includes MI70 Link software |
219687 |
| MI70 Link software |
MI70LINK |
| MI70 connection cable to HMT330, MMT330, DMT340, HMT100, PTB330 |
211339 |
| MI70 battery pack variety of AC adapters available |
26755 |
| HMP155 |
| HMP155 – MI70 connection cable |
221801 |
| Protection set for HMP155 calibration buttons: protective cover, 2 O-rings and protective plug |
221318 |
| USB cable for HMP155 |
221040 |
| Sintered teflon filter + O-ring |
219452SP |
| Humidity sensor |
HUMICAP180R |
| Humidity calibrator |
HMK15 |
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